[tarantool-patches] Re: [PATCH v1 1/1] lib/bitset: rename bitset structs

Kirill Shcherbatov kshcherbatov at tarantool.org
Tue Jul 3 15:24:29 MSK 2018


> If you're renaming struct bitset to struct tt_bitset, you should also
> rename all its methods (bitset_create => tt_bitset_create and so forth).
Ok, I've renamed all bitset structures and methods
======================================

---
 src/box/memtx_bitset.c      | 108 ++++++++-------
 src/box/memtx_bitset.h      |   2 +-
 src/lib/bitset/bitset.c     |  84 ++++++------
 src/lib/bitset/bitset.h     |  29 ++--
 src/lib/bitset/expr.c       |  28 ++--
 src/lib/bitset/expr.h       |  19 +--
 src/lib/bitset/index.c      | 122 ++++++++---------
 src/lib/bitset/index.h      |  54 ++++----
 src/lib/bitset/iterator.c   | 115 ++++++++--------
 src/lib/bitset/iterator.h   |  25 ++--
 src/lib/bitset/page.c       |  27 ++--
 src/lib/bitset/page.h       |  71 +++++-----
 test/unit/bitset_basic.c    |  66 ++++-----
 test/unit/bitset_index.c    | 158 +++++++++++-----------
 test/unit/bitset_iterator.c | 316 ++++++++++++++++++++++----------------------
 15 files changed, 630 insertions(+), 594 deletions(-)

diff --git a/src/box/memtx_bitset.c b/src/box/memtx_bitset.c
index 9216ed8..33c4b47 100644
--- a/src/box/memtx_bitset.c
+++ b/src/box/memtx_bitset.c
@@ -43,7 +43,7 @@
 #ifndef OLD_GOOD_BITSET
 #include "small/matras.h"
 
-struct bitset_hash_entry {
+struct tt_bitset_hash_entry {
 	struct tuple *tuple;
 	uint32_t id;
 };
@@ -59,7 +59,7 @@ struct bitset_hash_entry {
 #define mh_cmp(a, b, arg) ((a)->tuple != (b)->tuple)
 #define mh_cmp_key(a, b, arg) ((a) != (b)->tuple)
 
-#define mh_node_t struct bitset_hash_entry
+#define mh_node_t struct tt_bitset_hash_entry
 #define mh_key_t struct tuple *
 #define mh_name _bitset_index
 #define MH_SOURCE 1
@@ -85,7 +85,7 @@ memtx_bitset_index_register_tuple(struct memtx_bitset_index *index,
 	}
 	*place = tuple;
 
-	struct bitset_hash_entry entry;
+	struct tt_bitset_hash_entry entry;
 	entry.id = id;
 	entry.tuple = tuple;
 	uint32_t pos = mh_bitset_index_put(index->tuple_to_id, &entry, 0, 0);
@@ -104,7 +104,8 @@ memtx_bitset_index_unregister_tuple(struct memtx_bitset_index *index,
 {
 
 	uint32_t k = mh_bitset_index_find(index->tuple_to_id, tuple, 0);
-	struct bitset_hash_entry *e = mh_bitset_index_node(index->tuple_to_id, k);
+	struct tt_bitset_hash_entry *e = 
+		mh_bitset_index_node(index->tuple_to_id, k);
 	void *mem = matras_get(index->id_to_tuple, e->id);
 	*(uint32_t *)mem = index->spare_id;
 	index->spare_id = e->id;
@@ -116,7 +117,8 @@ memtx_bitset_index_tuple_to_value(struct memtx_bitset_index *index,
 				  struct tuple *tuple)
 {
 	uint32_t k = mh_bitset_index_find(index->tuple_to_id, tuple, 0);
-	struct bitset_hash_entry *e = mh_bitset_index_node(index->tuple_to_id, k);
+	struct tt_bitset_hash_entry *e = 
+		mh_bitset_index_node(index->tuple_to_id, k);
 	return e->id;
 }
 
@@ -152,9 +154,9 @@ value_to_tuple(size_t value)
 }
 #endif /* #ifndef OLD_GOOD_BITSET */
 
-struct bitset_index_iterator {
+struct tt_bitset_index_iterator {
 	struct iterator base; /* Must be the first member. */
-	struct bitset_iterator bitset_it;
+	struct tt_bitset_iterator bitset_it;
 #ifndef OLD_GOOD_BITSET
 	struct memtx_bitset_index *bitset_index;
 #endif /* #ifndef OLD_GOOD_BITSET */
@@ -162,29 +164,31 @@ struct bitset_index_iterator {
 	struct mempool *pool;
 };
 
-static struct bitset_index_iterator *
-bitset_index_iterator(struct iterator *it)
+static struct tt_bitset_index_iterator *
+tt_bitset_index_iterator(struct iterator *it)
 {
-	return (struct bitset_index_iterator *) it;
+	return (struct tt_bitset_index_iterator *) it;
 }
 
 static void
-bitset_index_iterator_free(struct iterator *iterator)
+tt_bitset_index_iterator_free(struct iterator *iterator)
 {
-	assert(iterator->free == bitset_index_iterator_free);
-	struct bitset_index_iterator *it = bitset_index_iterator(iterator);
+	assert(iterator->free == tt_bitset_index_iterator_free);
+	struct tt_bitset_index_iterator *it = 
+		tt_bitset_index_iterator(iterator);
 
-	bitset_iterator_destroy(&it->bitset_it);
+	tt_bitset_iterator_destroy(&it->bitset_it);
 	mempool_free(it->pool, it);
 }
 
 static int
-bitset_index_iterator_next(struct iterator *iterator, struct tuple **ret)
+tt_bitset_index_iterator_next(struct iterator *iterator, struct tuple **ret)
 {
-	assert(iterator->free == bitset_index_iterator_free);
-	struct bitset_index_iterator *it = bitset_index_iterator(iterator);
+	assert(iterator->free == tt_bitset_index_iterator_free);
+	struct tt_bitset_index_iterator *it = 
+		tt_bitset_index_iterator(iterator);
 
-	size_t value = bitset_iterator_next(&it->bitset_it);
+	size_t value = tt_bitset_iterator_next(&it->bitset_it);
 	if (value == SIZE_MAX) {
 		*ret = NULL;
 		return 0;
@@ -202,7 +206,7 @@ static void
 memtx_bitset_index_destroy(struct index *base)
 {
 	struct memtx_bitset_index *index = (struct memtx_bitset_index *)base;
-	bitset_index_destroy(&index->index);
+	tt_bitset_index_destroy(&index->index);
 #ifndef OLD_GOOD_BITSET
 	mh_bitset_index_delete(index->tuple_to_id);
 	matras_destroy(index->id_to_tuple);
@@ -215,7 +219,7 @@ static ssize_t
 memtx_bitset_index_size(struct index *base)
 {
 	struct memtx_bitset_index *index = (struct memtx_bitset_index *)base;
-	return bitset_index_size(&index->index);
+	return tt_bitset_index_size(&index->index);
 }
 
 static ssize_t
@@ -223,7 +227,7 @@ memtx_bitset_index_bsize(struct index *base)
 {
 	struct memtx_bitset_index *index = (struct memtx_bitset_index *)base;
 	size_t result = 0;
-	result += bitset_index_bsize(&index->index);
+	result += tt_bitset_index_bsize(&index->index);
 #ifndef OLD_GOOD_BITSET
 	result += matras_extent_count(index->id_to_tuple) * MEMTX_EXTENT_SIZE;
 	result += mh_bitset_index_memsize(index->tuple_to_id);
@@ -270,11 +274,12 @@ memtx_bitset_index_replace(struct index *base, struct tuple *old_tuple,
 #else /* #ifndef OLD_GOOD_BITSET */
 		size_t value = tuple_to_value(old_tuple);
 #endif /* #ifndef OLD_GOOD_BITSET */
-		if (bitset_index_contains_value(&index->index, (size_t)value)) {
+		if (tt_bitset_index_contains_value(&index->index,
+						   (size_t) value)) {
 			*result = old_tuple;
 
 			assert(old_tuple != new_tuple);
-			bitset_index_remove_value(&index->index, value);
+			tt_bitset_index_remove_value(&index->index, value);
 #ifndef OLD_GOOD_BITSET
 			memtx_bitset_index_unregister_tuple(index, old_tuple);
 #endif /* #ifndef OLD_GOOD_BITSET */
@@ -293,7 +298,8 @@ memtx_bitset_index_replace(struct index *base, struct tuple *old_tuple,
 #else /* #ifndef OLD_GOOD_BITSET */
 		uint32_t value = tuple_to_value(new_tuple);
 #endif /* #ifndef OLD_GOOD_BITSET */
-		if (bitset_index_insert(&index->index, key, key_len, value) < 0) {
+		if (tt_bitset_index_insert(&index->index, key, key_len,
+					   value) < 0) {
 #ifndef OLD_GOOD_BITSET
 			memtx_bitset_index_unregister_tuple(index, new_tuple);
 #endif /* #ifndef OLD_GOOD_BITSET */
@@ -314,7 +320,7 @@ memtx_bitset_index_create_iterator(struct index *base, enum iterator_type type,
 	assert(part_count == 0 || key != NULL);
 	(void) part_count;
 
-	struct bitset_index_iterator *it;
+	struct tt_bitset_index_iterator *it;
 	it = mempool_alloc(&memtx->bitset_iterator_pool);
 	if (!it) {
 		diag_set(OutOfMemory, sizeof(*it),
@@ -324,10 +330,10 @@ memtx_bitset_index_create_iterator(struct index *base, enum iterator_type type,
 
 	iterator_create(&it->base, base);
 	it->pool = &memtx->bitset_iterator_pool;
-	it->base.next = bitset_index_iterator_next;
-	it->base.free = bitset_index_iterator_free;
+	it->base.next = tt_bitset_index_iterator_next;
+	it->base.free = tt_bitset_index_iterator_free;
 
-	bitset_iterator_create(&it->bitset_it, realloc);
+	tt_bitset_iterator_create(&it->bitset_it, realloc);
 #ifndef OLD_GOOD_BITSET
 	it->bitset_index = index;
 #endif
@@ -339,29 +345,29 @@ memtx_bitset_index_create_iterator(struct index *base, enum iterator_type type,
 		bitset_key = make_key(key, &bitset_key_size);
 	}
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
 	int rc = 0;
 	switch (type) {
 	case ITER_ALL:
-		rc = bitset_index_expr_all(&expr);
+		rc = tt_bitset_index_expr_all(&expr);
 		break;
 	case ITER_EQ:
-		rc = bitset_index_expr_equals(&expr, bitset_key,
-					      bitset_key_size);
+		rc = tt_bitset_index_expr_equals(&expr, bitset_key,
+						 bitset_key_size);
 		break;
 	case ITER_BITS_ALL_SET:
-		rc = bitset_index_expr_all_set(&expr, bitset_key,
-					       bitset_key_size);
+		rc = tt_bitset_index_expr_all_set(&expr, bitset_key,
+						  bitset_key_size);
 		break;
 	case ITER_BITS_ALL_NOT_SET:
-		rc = bitset_index_expr_all_not_set(&expr, bitset_key,
-						   bitset_key_size);
+		rc = tt_bitset_index_expr_all_not_set(&expr, bitset_key,
+						      bitset_key_size);
 		break;
 	case ITER_BITS_ANY_SET:
-		rc = bitset_index_expr_any_set(&expr, bitset_key,
-					       bitset_key_size);
+		rc = tt_bitset_index_expr_any_set(&expr, bitset_key,
+						  bitset_key_size);
 		break;
 	default:
 		diag_set(UnsupportedIndexFeature, base->def,
@@ -375,17 +381,17 @@ memtx_bitset_index_create_iterator(struct index *base, enum iterator_type type,
 		goto fail;
 	}
 
-	if (bitset_index_init_iterator(&index->index, &it->bitset_it,
-				       &expr) != 0) {
+	if (tt_bitset_index_init_iterator(&index->index, &it->bitset_it,
+					  &expr) != 0) {
 		diag_set(OutOfMemory, 0, "memtx_bitset_index",
 			 "iterator state");
 		goto fail;
 	}
 
-	bitset_expr_destroy(&expr);
+	tt_bitset_expr_destroy(&expr);
 	return (struct iterator *)it;
 fail:
-	bitset_expr_destroy(&expr);
+	tt_bitset_expr_destroy(&expr);
 	mempool_free(&memtx->bitset_iterator_pool, it);
 	return NULL;
 }
@@ -397,7 +403,7 @@ memtx_bitset_index_count(struct index *base, enum iterator_type type,
 	struct memtx_bitset_index *index = (struct memtx_bitset_index *)base;
 
 	if (type == ITER_ALL)
-		return bitset_index_size(&index->index);
+		return tt_bitset_index_size(&index->index);
 
 	assert(part_count == 1); /* checked by key_validate() */
 	uint32_t bitset_key_size = 0;
@@ -417,7 +423,7 @@ memtx_bitset_index_count(struct index *base, enum iterator_type type,
 		 * bitset_index_count().
 		 */
 		if (bit_iterator_next(&bit_it) == SIZE_MAX)
-			return bitset_index_count(&index->index, bit);
+			return tt_bitset_index_count(&index->index, bit);
 	} else if (type == ITER_BITS_ALL_SET) {
 		/**
 		 * Optimization: for an empty key return 0.
@@ -431,7 +437,7 @@ memtx_bitset_index_count(struct index *base, enum iterator_type type,
 		 * bitset_index_count().
 		 */
 		if (bit_iterator_next(&bit_it) == SIZE_MAX)
-			return bitset_index_count(&index->index, bit);
+			return tt_bitset_index_count(&index->index, bit);
 	} else if (type == ITER_BITS_ALL_NOT_SET) {
 		/**
 		 * Optimization: for an empty key return the number of items
@@ -440,14 +446,14 @@ memtx_bitset_index_count(struct index *base, enum iterator_type type,
 		bit_iterator_init(&bit_it, bitset_key, bitset_key_size, true);
 		bit = bit_iterator_next(&bit_it);
 		if (bit == SIZE_MAX)
-			return bitset_index_size(&index->index);
+			return tt_bitset_index_size(&index->index);
 		/**
 		 * Optimiation: for the single bit key use
 		 * bitset_index_count().
 		 */
 		if (bit_iterator_next(&bit_it) == SIZE_MAX)
-			return bitset_index_size(&index->index) -
-				bitset_index_count(&index->index, bit);
+			return tt_bitset_index_size(&index->index) -
+				tt_bitset_index_count(&index->index, bit);
 	}
 
 	/* Call generic method */
@@ -486,7 +492,7 @@ memtx_bitset_index_new(struct memtx_engine *memtx, struct index_def *def)
 
 	if (!mempool_is_initialized(&memtx->bitset_iterator_pool)) {
 		mempool_create(&memtx->bitset_iterator_pool, cord_slab_cache(),
-			       sizeof(struct bitset_index_iterator));
+			       sizeof(struct tt_bitset_index_iterator));
 	}
 
 	struct memtx_bitset_index *index =
@@ -515,6 +521,6 @@ memtx_bitset_index_new(struct memtx_engine *memtx, struct index_def *def)
 		panic("failed to allocate memtx bitset index");
 #endif /* #ifndef OLD_GOOD_BITSET */
 
-	bitset_index_create(&index->index, realloc);
+	tt_bitset_index_create(&index->index, realloc);
 	return index;
 }
diff --git a/src/box/memtx_bitset.h b/src/box/memtx_bitset.h
index 0b8f48a..62971dd 100644
--- a/src/box/memtx_bitset.h
+++ b/src/box/memtx_bitset.h
@@ -51,7 +51,7 @@ struct mh_bitset_index_t;
 
 struct memtx_bitset_index {
 	struct index base;
-	struct bitset_index index;
+	struct tt_bitset_index index;
 #ifndef OLD_GOOD_BITSET
 	struct matras *id_to_tuple;
 	struct mh_bitset_index_t *tuple_to_id;
diff --git a/src/lib/bitset/bitset.c b/src/lib/bitset/bitset.c
index ae2a033..f785adf 100644
--- a/src/lib/bitset/bitset.c
+++ b/src/lib/bitset/bitset.c
@@ -37,73 +37,78 @@
 #include <assert.h>
 
 void
-bitset_create(struct bitset *bitset, void *(*realloc)(void *ptr, size_t size))
+tt_bitset_create(struct tt_bitset *bitset,
+		 void *(*realloc)(void *ptr, size_t size))
 {
 	memset(bitset, 0, sizeof(*bitset));
 	bitset->realloc = realloc;
 
 	/* Initialize pages tree */
-	bitset_pages_new(&bitset->pages);
+	tt_bitset_pages_new(&bitset->pages);
 }
 
-static struct bitset_page *
-bitset_destroy_iter_cb(bitset_pages_t *t, struct bitset_page *page, void *arg)
+static struct tt_bitset_page *
+tt_bitset_destroy_iter_cb(tt_bitset_pages_t *t, struct tt_bitset_page *page,
+			  void *arg)
 {
 	(void) t;
-	struct bitset *bitset = (struct bitset *) arg;
-	bitset_page_destroy(page);
+	struct tt_bitset *bitset = (struct tt_bitset *) arg;
+	tt_bitset_page_destroy(page);
 	bitset->realloc(page, 0);
 	return NULL;
 }
 
 void
-bitset_destroy(struct bitset *bitset)
+tt_bitset_destroy(struct tt_bitset *bitset)
 {
-	bitset_pages_iter(&bitset->pages, NULL, bitset_destroy_iter_cb, bitset);
+	tt_bitset_pages_iter(&bitset->pages, NULL, tt_bitset_destroy_iter_cb,
+			     bitset);
 	memset(&bitset->pages, 0, sizeof(bitset->pages));
 }
 
 bool
-bitset_test(struct bitset *bitset, size_t pos)
+tt_bitset_test(struct tt_bitset *bitset, size_t pos)
 {
-	struct bitset_page key;
-	key.first_pos = bitset_page_first_pos(pos);
+	struct tt_bitset_page key;
+	key.first_pos = tt_bitset_page_first_pos(pos);
 
 	/* Find a page in pages tree */
-	struct bitset_page *page = bitset_pages_search(&bitset->pages, &key);
+	struct tt_bitset_page *page =
+		tt_bitset_pages_search(&bitset->pages, &key);
 	if (page == NULL)
 		return false;
 
 	assert(page->first_pos <= pos && pos < page->first_pos +
 	       BITSET_PAGE_DATA_SIZE * CHAR_BIT);
-	return bit_test(bitset_page_data(page), pos - page->first_pos);
+	return bit_test(tt_bitset_page_data(page), pos - page->first_pos);
 }
 
 int
-bitset_set(struct bitset *bitset, size_t pos)
+tt_bitset_set(struct tt_bitset *bitset, size_t pos)
 {
-	struct bitset_page key;
-	key.first_pos = bitset_page_first_pos(pos);
+	struct tt_bitset_page key;
+	key.first_pos = tt_bitset_page_first_pos(pos);
 
 	/* Find a page in pages tree */
-	struct bitset_page *page = bitset_pages_search(&bitset->pages, &key);
+	struct tt_bitset_page *page =
+		tt_bitset_pages_search(&bitset->pages, &key);
 	if (page == NULL) {
 		/* Allocate a new page */
-		size_t size = bitset_page_alloc_size(bitset->realloc);
+		size_t size = tt_bitset_page_alloc_size(bitset->realloc);
 		page = bitset->realloc(NULL, size);
 		if (page == NULL)
 			return -1;
 
-		bitset_page_create(page);
+		tt_bitset_page_create(page);
 		page->first_pos = key.first_pos;
 
 		/* Insert the page into pages tree */
-		bitset_pages_insert(&bitset->pages, page);
+		tt_bitset_pages_insert(&bitset->pages, page);
 	}
 
 	assert(page->first_pos <= pos && pos < page->first_pos +
 	       BITSET_PAGE_DATA_SIZE * CHAR_BIT);
-	bool prev = bit_set(bitset_page_data(page), pos - page->first_pos);
+	bool prev = bit_set(tt_bitset_page_data(page), pos - page->first_pos);
 	if (prev) {
 		/* Value has not changed */
 		return 1;
@@ -116,19 +121,20 @@ bitset_set(struct bitset *bitset, size_t pos)
 }
 
 int
-bitset_clear(struct bitset *bitset, size_t pos)
+tt_bitset_clear(struct tt_bitset *bitset, size_t pos)
 {
-	struct bitset_page key;
-	key.first_pos = bitset_page_first_pos(pos);
+	struct tt_bitset_page key;
+	key.first_pos = tt_bitset_page_first_pos(pos);
 
 	/* Find a page in the pages tree */
-	struct bitset_page *page = bitset_pages_search(&bitset->pages, &key);
+	struct tt_bitset_page *page =
+		tt_bitset_pages_search(&bitset->pages, &key);
 	if (page == NULL)
 		return 0;
 
 	assert(page->first_pos <= pos && pos < page->first_pos +
 	       BITSET_PAGE_DATA_SIZE * CHAR_BIT);
-	bool prev = bit_clear(bitset_page_data(page), pos - page->first_pos);
+	bool prev = bit_clear(tt_bitset_page_data(page), pos - page->first_pos);
 	if (!prev) {
 		return 0;
 	}
@@ -140,9 +146,9 @@ bitset_clear(struct bitset *bitset, size_t pos)
 
 	if (page->cardinality == 0) {
 		/* Remove the page from the pages tree */
-		bitset_pages_remove(&bitset->pages, page);
+		tt_bitset_pages_remove(&bitset->pages, page);
 		/* Free the page */
-		bitset_page_destroy(page);
+		tt_bitset_page_destroy(page);
 		bitset->realloc(page, 0);
 	}
 
@@ -150,33 +156,33 @@ bitset_clear(struct bitset *bitset, size_t pos)
 }
 
 extern inline size_t
-bitset_cardinality(const struct bitset *bitset);
+tt_bitset_cardinality(const struct tt_bitset *bitset);
 
 void
-bitset_info(struct bitset *bitset, struct bitset_info *info)
+tt_bitset_info(struct tt_bitset *bitset, struct tt_bitset_info *info)
 {
 	memset(info, 0, sizeof(*info));
 	info->page_data_size = BITSET_PAGE_DATA_SIZE;
-	info->page_total_size = bitset_page_alloc_size(bitset->realloc);
+	info->page_total_size = tt_bitset_page_alloc_size(bitset->realloc);
 	info->page_data_alignment = BITSET_PAGE_DATA_ALIGNMENT;
 
 	size_t cardinality_check = 0;
-	struct bitset_page *page = bitset_pages_first(&bitset->pages);
+	struct tt_bitset_page *page = tt_bitset_pages_first(&bitset->pages);
 	while (page != NULL) {
 		info->pages++;
 		cardinality_check += page->cardinality;
-		page = bitset_pages_next(&bitset->pages, page);
+		page = tt_bitset_pages_next(&bitset->pages, page);
 	}
 
-	assert(bitset_cardinality(bitset) == cardinality_check);
+	assert(tt_bitset_cardinality(bitset) == cardinality_check);
 }
 
 #if defined(DEBUG)
 void
-bitset_dump(struct bitset *bitset, int verbose, FILE *stream)
+tt_bitset_dump(struct tt_bitset *bitset, int verbose, FILE *stream)
 {
-	struct bitset_info info;
-	bitset_info(bitset, &info);
+	struct tt_bitset_info info;
+	tt_bitset_info(bitset, &info);
 
 	size_t PAGE_BIT = (info.page_data_size * CHAR_BIT);
 
@@ -225,8 +231,8 @@ bitset_dump(struct bitset *bitset, int verbose, FILE *stream)
 
 	fprintf(stream, "    " "pages = {\n");
 
-	for (struct bitset_page *page = bitset_pages_first(&bitset->pages);
-	     page != NULL; page = bitset_pages_next(&bitset->pages, page)) {
+	for (struct tt_bitset_page *page = tt_bitset_pages_first(&bitset->pages);
+	     page != NULL; page = tt_bitset_pages_next(&bitset->pages, page)) {
 
 		size_t page_last_pos = page->first_pos
 				+ BITSET_PAGE_DATA_SIZE * CHAR_BIT;
diff --git a/src/lib/bitset/bitset.h b/src/lib/bitset/bitset.h
index 87bcd26..45fd18b 100644
--- a/src/lib/bitset/bitset.h
+++ b/src/lib/bitset/bitset.h
@@ -66,22 +66,22 @@ extern "C" {
 #endif /* defined(__cplusplus) */
 
 /** @cond false */
-struct bitset_page {
+struct tt_bitset_page {
 	size_t first_pos;
-	rb_node(struct bitset_page) node;
+	rb_node(struct tt_bitset_page) node;
 	size_t cardinality;
 	uint8_t data[0];
 };
 
-typedef rb_tree(struct bitset_page) bitset_pages_t;
+typedef rb_tree(struct tt_bitset_page) tt_bitset_pages_t;
 /** @endcond */
 
 /**
  * Bitset
  */
-struct bitset {
+struct tt_bitset {
 	/** @cond false */
-	bitset_pages_t pages;
+	tt_bitset_pages_t pages;
 	size_t cardinality;
 	void *(*realloc)(void *ptr, size_t size);
 	/** @endcond */
@@ -93,14 +93,15 @@ struct bitset {
  * @param realloc memory allocator to use
  */
 void
-bitset_create(struct bitset *bitset, void *(*realloc)(void *ptr, size_t size));
+tt_bitset_create(struct tt_bitset *bitset, void *(*realloc)(void *ptr,
+							    size_t size));
 
 /**
  * @brief Destruct \a bitset
  * @param bitset bitset
  */
 void
-bitset_destroy(struct bitset *bitset);
+tt_bitset_destroy(struct tt_bitset *bitset);
 
 /**
  * @brief Test bit \a pos in \a bitset
@@ -110,7 +111,7 @@ bitset_destroy(struct bitset *bitset);
  * @retval false if \a pos is not set in \a bitset
  */
 bool
-bitset_test(struct bitset *bitset, size_t pos);
+tt_bitset_test(struct tt_bitset *bitset, size_t pos);
 
 /**
  * @brief Set bit \a pos in \a bitset
@@ -121,7 +122,7 @@ bitset_test(struct bitset *bitset, size_t pos);
  * @retval -1 on memory error
  */
 int
-bitset_set(struct bitset *bitset, size_t pos);
+tt_bitset_set(struct tt_bitset *bitset, size_t pos);
 
 /**
  * @brief Clear bit \a pos in \a bitset
@@ -132,7 +133,7 @@ bitset_set(struct bitset *bitset, size_t pos);
  * @retval -1 on memory error
  */
 int
-bitset_clear(struct bitset *bitset, size_t pos);
+tt_bitset_clear(struct tt_bitset *bitset, size_t pos);
 
 /**
  * @brief Return the number of bits set to \a true in \a bitset.
@@ -140,7 +141,7 @@ bitset_clear(struct bitset *bitset, size_t pos);
  * @return returns the number of bits set to \a true in \a bitset.
  */
 inline size_t
-bitset_cardinality(const struct bitset *bitset) {
+tt_bitset_cardinality(const struct tt_bitset *bitset) {
 	return bitset->cardinality;
 }
 
@@ -148,7 +149,7 @@ bitset_cardinality(const struct bitset *bitset) {
  * @brief Bitset Information structure
  * @see bitset_info
  */
-struct bitset_info {
+struct tt_bitset_info {
 	/** Number of allocated pages */
 	size_t pages;
 	/** Data (payload) size of one page (in bytes) */
@@ -165,11 +166,11 @@ struct bitset_info {
  * @param stat structure to fill
  */
 void
-bitset_info(struct bitset *bitset, struct bitset_info *info);
+tt_bitset_info(struct tt_bitset *bitset, struct tt_bitset_info *info);
 
 #if defined(DEBUG)
 void
-bitset_dump(struct bitset *bitset, int verbose, FILE *stream);
+tt_bitset_dump(struct tt_bitset *bitset, int verbose, FILE *stream);
 #endif /* defined(DEBUG) */
 
 #if defined(__cplusplus)
diff --git a/src/lib/bitset/expr.c b/src/lib/bitset/expr.c
index f40fa73..cd32bc7 100644
--- a/src/lib/bitset/expr.c
+++ b/src/lib/bitset/expr.c
@@ -39,15 +39,15 @@ const size_t EXPR_DEFAULT_CAPACITY = 2;
 const size_t EXPR_CONJ_DEFAULT_CAPACITY = 32;
 
 void
-bitset_expr_create(struct bitset_expr *expr,
-		  void *(*realloc)(void *ptr, size_t size))
+tt_bitset_expr_create(struct tt_bitset_expr *expr,
+		      void *(*realloc)(void *ptr, size_t size))
 {
 	memset(expr, 0, sizeof(*expr));
 	expr->realloc = realloc;
 }
 
 void
-bitset_expr_destroy(struct bitset_expr *expr)
+tt_bitset_expr_destroy(struct tt_bitset_expr *expr)
 {
 	for (size_t c = 0; c < expr->size; c++) {
 		if (expr->conjs[c].capacity == 0)
@@ -65,7 +65,7 @@ bitset_expr_destroy(struct bitset_expr *expr)
 }
 
 void
-bitset_expr_clear(struct bitset_expr *expr)
+tt_bitset_expr_clear(struct tt_bitset_expr *expr)
 {
 	for (size_t c = 0; c < expr->size; c++) {
 		memset(expr->conjs[c].bitset_ids, 0, expr->conjs[c].size *
@@ -79,7 +79,7 @@ bitset_expr_clear(struct bitset_expr *expr)
 }
 
 static int
-bitset_expr_reserve(struct bitset_expr *expr, size_t size)
+tt_bitset_expr_reserve(struct tt_bitset_expr *expr, size_t size)
 {
 	if (size <= expr->capacity)
 		return 0;
@@ -92,7 +92,7 @@ bitset_expr_reserve(struct bitset_expr *expr, size_t size)
 		capacity *= 2;
 	}
 
-	struct bitset_expr_conj *conjs =
+	struct tt_bitset_expr_conj *conjs =
 		expr->realloc(expr->conjs, capacity * sizeof(*expr->conjs));
 
 	if (conjs == NULL)
@@ -107,9 +107,9 @@ bitset_expr_reserve(struct bitset_expr *expr, size_t size)
 }
 
 int
-bitset_expr_add_conj(struct bitset_expr *expr)
+tt_bitset_expr_add_conj(struct tt_bitset_expr *expr)
 {
-	if (bitset_expr_reserve(expr, expr->size + 1) != 0)
+	if (tt_bitset_expr_reserve(expr, expr->size + 1) != 0)
 		return -1;
 
 	expr->size++;
@@ -118,8 +118,8 @@ bitset_expr_add_conj(struct bitset_expr *expr)
 }
 
 static int
-bitset_expr_conj_reserve(struct bitset_expr *expr,
-			 struct bitset_expr_conj *conj, size_t size)
+tt_bitset_expr_conj_reserve(struct tt_bitset_expr *expr,
+			    struct tt_bitset_expr_conj *conj, size_t size)
 {
 	if (size <= conj->capacity)
 		return 0;
@@ -159,13 +159,13 @@ error_1:
 }
 
 int
-bitset_expr_add_param(struct bitset_expr *expr, size_t bitset_id,
-		      bool pre_not)
+tt_bitset_expr_add_param(struct tt_bitset_expr *expr, size_t bitset_id,
+			 bool pre_not)
 {
 	assert(expr->size > 0);
-	struct bitset_expr_conj *conj = &expr->conjs[expr->size - 1];
+	struct tt_bitset_expr_conj *conj = &expr->conjs[expr->size - 1];
 
-	if (bitset_expr_conj_reserve(expr, conj, conj->size + 1) != 0)
+	if (tt_bitset_expr_conj_reserve(expr, conj, conj->size + 1) != 0)
 		return -1;
 
 	conj->bitset_ids[conj->size] = bitset_id;
diff --git a/src/lib/bitset/expr.h b/src/lib/bitset/expr.h
index 712d408..18668b2 100644
--- a/src/lib/bitset/expr.h
+++ b/src/lib/bitset/expr.h
@@ -69,7 +69,7 @@ extern "C" {
 #endif /* defined(__cplusplus) */
 
 /** @cond false **/
-struct bitset_expr_conj {
+struct tt_bitset_expr_conj {
 	size_t size;
 	size_t capacity;
 	size_t *bitset_ids;
@@ -80,14 +80,14 @@ struct bitset_expr_conj {
 /**
  * @brief Bitset Expression
  */
-struct bitset_expr {
+struct tt_bitset_expr {
 	/** @cond false **/
 	/** Size of \a conjs array **/
 	size_t size;
 	/** Capacity of \a conjs array **/
 	size_t capacity;
 	/** Array of conjunctions **/
-	struct bitset_expr_conj *conjs;
+	struct tt_bitset_expr_conj *conjs;
 	/** Memory allocator **/
 	void *(*realloc)(void *ptr, size_t size);
 	/** @endcond **/
@@ -99,15 +99,15 @@ struct bitset_expr {
  * @param realloc memory allocator to use
  */
 void
-bitset_expr_create(struct bitset_expr *expr,
-		   void *(*realloc)(void *ptr, size_t size));
+tt_bitset_expr_create(struct tt_bitset_expr *expr,
+		      void *(*realloc)(void *ptr, size_t size));
 
 /**
  * @brief Destruct bitset expression \a expr
  * @param expr bitset expression
  */
 void
-bitset_expr_destroy(struct bitset_expr *expr);
+tt_bitset_expr_destroy(struct tt_bitset_expr *expr);
 
 /**
  * @brief Clear @a expr (remove all conjunctions from it)
@@ -117,7 +117,7 @@ bitset_expr_destroy(struct bitset_expr *expr);
  * the object completely.
  */
 void
-bitset_expr_clear(struct bitset_expr *expr);
+tt_bitset_expr_clear(struct tt_bitset_expr *expr);
 
 /**
  * @brief Add a new conjunction to \a expr.
@@ -126,7 +126,7 @@ bitset_expr_clear(struct bitset_expr *expr);
  * @retval -1 on memory error
  */
 int
-bitset_expr_add_conj(struct bitset_expr *expr);
+tt_bitset_expr_add_conj(struct tt_bitset_expr *expr);
 
 /**
  * @brief Add a new placeholder for a bitset to the current conjunction.
@@ -138,7 +138,8 @@ bitset_expr_add_conj(struct bitset_expr *expr);
  * @retval -1 on memory error
  */
 int
-bitset_expr_add_param(struct bitset_expr *expr, size_t bitset_id, bool pre_not);
+tt_bitset_expr_add_param(struct tt_bitset_expr *expr, size_t bitset_id,
+			 bool pre_not);
 
 #if defined(__cplusplus)
 } /* extern "C" */
diff --git a/src/lib/bitset/index.c b/src/lib/bitset/index.c
index 4a5bad8..7905feb 100644
--- a/src/lib/bitset/index.c
+++ b/src/lib/bitset/index.c
@@ -39,8 +39,8 @@
 const size_t INDEX_DEFAULT_CAPACITY = 32;
 
 void
-bitset_index_create(struct bitset_index *index,
-		    void *(*realloc)(void *ptr, size_t size))
+tt_bitset_index_create(struct tt_bitset_index *index,
+		       void *(*realloc)(void *ptr, size_t size))
 {
 	assert(index != NULL);
 	memset(index, 0, sizeof(*index));
@@ -48,7 +48,7 @@ bitset_index_create(struct bitset_index *index,
 }
 
 void
-bitset_index_destroy(struct bitset_index *index)
+tt_bitset_index_destroy(struct tt_bitset_index *index)
 {
 	assert(index != NULL);
 
@@ -56,7 +56,7 @@ bitset_index_destroy(struct bitset_index *index)
 		if (index->bitsets[b] == NULL)
 			break;
 
-		bitset_destroy(index->bitsets[b]);
+		tt_bitset_destroy(index->bitsets[b]);
 		index->realloc(index->bitsets[b], 0);
 		index->bitsets[b] = NULL;
 	}
@@ -69,7 +69,7 @@ bitset_index_destroy(struct bitset_index *index)
 }
 
 static int
-bitset_index_reserve(struct bitset_index *index, size_t size)
+tt_bitset_index_reserve(struct tt_bitset_index *index, size_t size)
 {
 	if (size <= index->capacity)
 		return 0;
@@ -82,7 +82,7 @@ bitset_index_reserve(struct bitset_index *index, size_t size)
 		capacity *= 2;
 	}
 
-	struct bitset **bitsets = index->realloc(index->bitsets,
+	struct tt_bitset **bitsets = index->realloc(index->bitsets,
 					capacity * sizeof(*index->bitsets));
 	if (bitsets == NULL)
 		goto error_1;
@@ -108,7 +108,7 @@ bitset_index_reserve(struct bitset_index *index, size_t size)
 		if (index->bitsets[b] == NULL)
 			goto error_2;
 
-		bitset_create(index->bitsets[b], index->realloc);
+		tt_bitset_create(index->bitsets[b], index->realloc);
 	}
 
 	index->capacity = capacity;
@@ -120,7 +120,7 @@ error_2:
 		if (index->bitsets[b] == NULL)
 			break;
 
-		bitset_destroy(index->bitsets[b]);
+		tt_bitset_destroy(index->bitsets[b]);
 		index->realloc(index->bitsets[b], 0);
 		index->bitsets[b] = NULL;
 	}
@@ -129,8 +129,8 @@ error_1:
 }
 
 int
-bitset_index_insert(struct bitset_index *index, const void *key,
-		    size_t key_size, size_t value)
+tt_bitset_index_insert(struct tt_bitset_index *index, const void *key,
+		       size_t key_size, size_t value)
 {
 	assert(index != NULL);
 	assert(key != NULL);
@@ -138,20 +138,20 @@ bitset_index_insert(struct bitset_index *index, const void *key,
 	/*
 	 * Step 0: allocate enough number of bitsets
 	 *
-	 * bitset_index_reserve could fail on realloc and return -1.
+	 * tt_bitset_index_reserve could fail on realloc and return -1.
 	 * Do not change anything and return the error to the caller.
 	 */
 	const size_t size = 1 + key_size * CHAR_BIT;
-	if (bitset_index_reserve(index, size) != 0)
+	if (tt_bitset_index_reserve(index, size) != 0)
 		return -1;
 
 	/*
 	 * Step 1: set the 'flag' bitset
 	 *
-	 * bitset_set for 'falg' bitset could fail on realloc.
+	 * tt_bitset_set for 'falg' bitset could fail on realloc.
 	 * Do not change anything. Do not shrink buffers allocated on step 1.
 	 */
-	int rc = bitset_set(index->bitsets[0], value);
+	int rc = tt_bitset_set(index->bitsets[0], value);
 	if (rc < 0)
 		return -1;
 
@@ -167,7 +167,7 @@ bitset_index_insert(struct bitset_index *index, const void *key,
 	 * A bitset_set somewhere in the middle also could fail on realloc.
 	 * If this happens, we stop processing and jump to the rollback code.
 	 * Rollback uses index->rollback_buf buffer to restore previous values
-	 * of all bitsets on given position. Remember, that bitset_set
+	 * of all bitsets on given position. Remember, that tt_bitset_set
 	 * returns 1 if a previous value was 'true' and 0 if it was 'false'.
 	 * The buffer is indexed by bytes (char *) instead of bits (bit_set)
 	 * because it is a little bit faster here.
@@ -177,7 +177,7 @@ bitset_index_insert(struct bitset_index *index, const void *key,
 	size_t pos = 0;
 	while ((pos = bit_iterator_next(&bit_it)) != SIZE_MAX) {
 		size_t b = pos + 1;
-		rc = bitset_set(index->bitsets[b], value);
+		rc = tt_bitset_set(index->bitsets[b], value);
 		if (rc < 0)
 			goto rollback;
 
@@ -196,9 +196,9 @@ rollback:
 		size_t b = rpos + 1;
 
 		if (index->rollback_buf[b] == 1) {
-			bitset_set(index->bitsets[b], value);
+			tt_bitset_set(index->bitsets[b], value);
 		} else {
-			bitset_clear(index->bitsets[b], value);
+			tt_bitset_clear(index->bitsets[b], value);
 		}
 	}
 
@@ -206,16 +206,16 @@ rollback:
 	 * Rollback changes done by Step 1.
 	 */
 	if (index->rollback_buf[0] == 1) {
-		bitset_set(index->bitsets[0], value);
+		tt_bitset_set(index->bitsets[0], value);
 	} else {
-		bitset_clear(index->bitsets[0], value);
+		tt_bitset_clear(index->bitsets[0], value);
 	}
 
 	return -1;
 }
 
 void
-bitset_index_remove_value(struct bitset_index *index, size_t value)
+tt_bitset_index_remove_value(struct tt_bitset_index *index, size_t value)
 {
 	assert(index != NULL);
 
@@ -227,51 +227,51 @@ bitset_index_remove_value(struct bitset_index *index, size_t value)
 			continue;
 
 		/* Ignore all errors here */
-		bitset_clear(index->bitsets[b], value);
+		tt_bitset_clear(index->bitsets[b], value);
 	}
-	bitset_clear(index->bitsets[0], value);
+	tt_bitset_clear(index->bitsets[0], value);
 }
 
 bool
-bitset_index_contains_value(struct bitset_index *index, size_t value)
+tt_bitset_index_contains_value(struct tt_bitset_index *index, size_t value)
 {
 	assert(index != NULL);
 
-	return bitset_test(index->bitsets[0], value);
+	return tt_bitset_test(index->bitsets[0], value);
 }
 
 int
-bitset_index_expr_all(struct bitset_expr *expr)
+tt_bitset_index_expr_all(struct tt_bitset_expr *expr)
 {
 	(void) index;
 
-	bitset_expr_clear(expr);
-	if (bitset_expr_add_conj(expr) != 0)
+	tt_bitset_expr_clear(expr);
+	if (tt_bitset_expr_add_conj(expr) != 0)
 		return -1;
 
-	if (bitset_expr_add_param(expr, 0, false) != 0)
+	if (tt_bitset_expr_add_param(expr, 0, false) != 0)
 		return -1;
 
 	return 0;
 }
 
 int
-bitset_index_expr_equals(struct bitset_expr *expr, const void *key,
-			 size_t key_size)
+tt_bitset_index_expr_equals(struct tt_bitset_expr *expr, const void *key,
+			    size_t key_size)
 {
-	bitset_expr_clear(expr);
+	tt_bitset_expr_clear(expr);
 
-	if (bitset_expr_add_conj(expr) != 0)
+	if (tt_bitset_expr_add_conj(expr) != 0)
 		return -1;
 
 	for (size_t pos = 0; pos < key_size * CHAR_BIT; pos++) {
 		size_t b = pos + 1;
 		bool bit_exist = bit_test(key, pos);
-		if (bitset_expr_add_param(expr, b, !bit_exist) != 0)
+		if (tt_bitset_expr_add_param(expr, b, !bit_exist) != 0)
 			return -1;
 	}
 
-	if (bitset_expr_add_param(expr, 0, false) != 0) {
+	if (tt_bitset_expr_add_param(expr, 0, false) != 0) {
 		return -1;
 	}
 
@@ -279,12 +279,12 @@ bitset_index_expr_equals(struct bitset_expr *expr, const void *key,
 }
 
 int
-bitset_index_expr_all_set(struct bitset_expr *expr, const void *key,
-			  size_t key_size)
+tt_bitset_index_expr_all_set(struct tt_bitset_expr *expr, const void *key,
+			     size_t key_size)
 {
-	bitset_expr_clear(expr);
+	tt_bitset_expr_clear(expr);
 
-	if (bitset_expr_add_conj(expr) != 0)
+	if (tt_bitset_expr_add_conj(expr) != 0)
 		return -1;
 
 	if (key_size == 0)
@@ -295,7 +295,7 @@ bitset_index_expr_all_set(struct bitset_expr *expr, const void *key,
 	size_t pos;
 	while ( (pos = bit_iterator_next(&bit_it)) != SIZE_MAX ) {
 		size_t b = pos + 1;
-		if (bitset_expr_add_param(expr, b, false) != 0)
+		if (tt_bitset_expr_add_param(expr, b, false) != 0)
 			return -1;
 	}
 
@@ -303,10 +303,10 @@ bitset_index_expr_all_set(struct bitset_expr *expr, const void *key,
 }
 
 int
-bitset_index_expr_any_set(struct bitset_expr *expr, const void *key,
-			  size_t key_size)
+tt_bitset_index_expr_any_set(struct tt_bitset_expr *expr, const void *key,
+			     size_t key_size)
 {
-	bitset_expr_clear(expr);
+	tt_bitset_expr_clear(expr);
 
 	if (key_size == 0)
 		return 0; /* optimization for empty key */
@@ -316,9 +316,9 @@ bitset_index_expr_any_set(struct bitset_expr *expr, const void *key,
 	size_t pos;
 	while ( (pos = bit_iterator_next(&bit_it)) != SIZE_MAX) {
 		size_t b = pos + 1;
-		if (bitset_expr_add_conj(expr) != 0)
+		if (tt_bitset_expr_add_conj(expr) != 0)
 			return -1;
-		if (bitset_expr_add_param(expr, b, false) != 0)
+		if (tt_bitset_expr_add_param(expr, b, false) != 0)
 			return -1;
 	}
 
@@ -326,14 +326,14 @@ bitset_index_expr_any_set(struct bitset_expr *expr, const void *key,
 }
 
 int
-bitset_index_expr_all_not_set(struct bitset_expr *expr, const void *key,
-			      size_t key_size) {
-	bitset_expr_clear(expr);
+tt_bitset_index_expr_all_not_set(struct tt_bitset_expr *expr, const void *key,
+				 size_t key_size) {
+	tt_bitset_expr_clear(expr);
 
-	if (bitset_expr_add_conj(expr) != 0)
+	if (tt_bitset_expr_add_conj(expr) != 0)
 		return -1;
 
-	if (bitset_expr_add_param(expr, 0, false) != 0)
+	if (tt_bitset_expr_add_param(expr, 0, false) != 0)
 		return -1;
 
 	if (key_size == 0)
@@ -344,7 +344,7 @@ bitset_index_expr_all_not_set(struct bitset_expr *expr, const void *key,
 	size_t pos;
 	while ( (pos = bit_iterator_next(&bit_it)) != SIZE_MAX) {
 		size_t b = pos + 1;
-		if (bitset_expr_add_param(expr, b, true) != 0)
+		if (tt_bitset_expr_add_param(expr, b, true) != 0)
 			return -1;
 	}
 
@@ -352,8 +352,9 @@ bitset_index_expr_all_not_set(struct bitset_expr *expr, const void *key,
 }
 
 int
-bitset_index_init_iterator(struct bitset_index *index,
-			   struct bitset_iterator *it, struct bitset_expr *expr)
+tt_bitset_index_init_iterator(struct tt_bitset_index *index,
+			      struct tt_bitset_iterator *it,
+			      struct tt_bitset_expr *expr)
 {
 	assert(index != NULL);
 	assert(it != NULL);
@@ -369,28 +370,29 @@ bitset_index_init_iterator(struct bitset_index *index,
 	}
 
 	/* Resize the index with empty bitsets */
-	if (bitset_index_reserve(index, max + 1) != 0)
+	if (tt_bitset_index_reserve(index, max + 1) != 0)
 		return -1;
 
-	return bitset_iterator_init(it, expr, index->bitsets, index->capacity);
+	return tt_bitset_iterator_init(it, expr, index->bitsets,
+				       index->capacity);
 }
 
 size_t
-bitset_index_bsize(const struct bitset_index *index)
+tt_bitset_index_bsize(const struct tt_bitset_index *index)
 {
 	size_t result = 0;
 	for (size_t b = 0; b < index->capacity; b++) {
 		if (index->bitsets[b] == NULL)
 			continue;
-		struct bitset_info info;
-		bitset_info(index->bitsets[b], &info);
+		struct tt_bitset_info info;
+		tt_bitset_info(index->bitsets[b], &info);
 		result += info.page_total_size * info.pages;
 	}
 	return result;
 }
 
 extern inline size_t
-bitset_index_size(const struct bitset_index *index);
+tt_bitset_index_size(const struct tt_bitset_index *index);
 
 extern inline size_t
-bitset_index_count(const struct bitset_index *index, size_t bit);
+tt_bitset_index_count(const struct tt_bitset_index *index, size_t bit);
diff --git a/src/lib/bitset/index.h b/src/lib/bitset/index.h
index 20b3319..e9922dd 100644
--- a/src/lib/bitset/index.h
+++ b/src/lib/bitset/index.h
@@ -123,10 +123,10 @@ extern "C" {
 /**
  * @brief BitsetIndex
  */
-struct bitset_index {
+struct tt_bitset_index {
 	/** @cond false **/
 	/* Used bitsets */
-	struct bitset **bitsets;
+	struct tt_bitset **bitsets;
 	/* Capacity of bitsets array */
 	size_t capacity;
 	/* Memory allocator to use */
@@ -142,15 +142,15 @@ struct bitset_index {
  * @param realloc memory allocator to use
  */
 void
-bitset_index_create(struct bitset_index *index,
-		    void *(*realloc)(void *ptr, size_t size));
+tt_bitset_index_create(struct tt_bitset_index *index,
+		       void *(*realloc)(void *ptr, size_t size));
 
 /**
  * @brief Destruct \a index
  * @param index bitset index
  */
 void
-bitset_index_destroy(struct bitset_index *index);
+tt_bitset_index_destroy(struct tt_bitset_index *index);
 
 /**
  * @brief Insert (\a key, \a value) pair into \a index.
@@ -166,8 +166,8 @@ bitset_index_destroy(struct bitset_index *index);
  * @retval -1 on memory error
  */
 int
-bitset_index_insert(struct bitset_index *index, const void *key, size_t key_size,
-		    size_t value);
+tt_bitset_index_insert(struct tt_bitset_index *index, const void *key,
+		       size_t key_size, size_t value);
 
 /**
  * @brief Remove a pair with \a value (*, \a value) from \a index.
@@ -175,7 +175,7 @@ bitset_index_insert(struct bitset_index *index, const void *key, size_t key_size
  * @param value value
  */
 void
-bitset_index_remove_value(struct bitset_index *index, size_t value);
+tt_bitset_index_remove_value(struct tt_bitset_index *index, size_t value);
 
 /**
  * @brief Initialize \a expr to iterate over a bitset index.
@@ -190,7 +190,7 @@ bitset_index_remove_value(struct bitset_index *index, size_t value);
  * @see expr.h
  */
 int
-bitset_index_expr_all(struct bitset_expr *expr);
+tt_bitset_index_expr_all(struct tt_bitset_expr *expr);
 
 /**
  * @brief Initialize \a expr to iterate over a bitset index.
@@ -208,8 +208,8 @@ bitset_index_expr_all(struct bitset_expr *expr);
  * @see expr.h
  */
 int
-bitset_index_expr_equals(struct bitset_expr *expr, const void *key,
-			 size_t key_size);
+tt_bitset_index_expr_equals(struct tt_bitset_expr *expr, const void *key,
+			    size_t key_size);
 
 /**
  * @brief Initialize \a expr to iterate over a bitset index.
@@ -225,8 +225,8 @@ bitset_index_expr_equals(struct bitset_expr *expr, const void *key,
  * @see expr.h
  */
 int
-bitset_index_expr_all_set(struct bitset_expr *expr, const void *key,
-			  size_t key_size);
+tt_bitset_index_expr_all_set(struct tt_bitset_expr *expr, const void *key,
+			     size_t key_size);
 
 /**
  * @brief Initialize \a expr to iterate over a bitset index.
@@ -242,8 +242,8 @@ bitset_index_expr_all_set(struct bitset_expr *expr, const void *key,
  * @see expr.h
  */
 int
-bitset_index_expr_any_set(struct bitset_expr *expr, const void *key,
-			  size_t key_size);
+tt_bitset_index_expr_any_set(struct tt_bitset_expr *expr, const void *key,
+			     size_t key_size);
 
 /**
  * @brief Initialize \a expr to iterate over a bitset index.
@@ -259,8 +259,8 @@ bitset_index_expr_any_set(struct bitset_expr *expr, const void *key,
  * @see expr.h
  */
 int
-bitset_index_expr_all_not_set(struct bitset_expr *expr, const void *key,
-			      size_t key_size);
+tt_bitset_index_expr_all_not_set(struct tt_bitset_expr *expr, const void *key,
+				 size_t key_size);
 
 /**
  * @brief Initialize \a it using \a expr and bitsets used in \a index.
@@ -272,9 +272,9 @@ bitset_index_expr_all_not_set(struct bitset_expr *expr, const void *key,
  * @retval 1 on memory error
  */
 int
-bitset_index_init_iterator(struct bitset_index *index,
-			   struct bitset_iterator *it,
-			   struct bitset_expr *expr);
+tt_bitset_index_init_iterator(struct tt_bitset_index *index,
+			      struct tt_bitset_iterator *it,
+			      struct tt_bitset_expr *expr);
 
 /**
  * @brief Checks if a (*, \a value) pair exists in \a index
@@ -284,7 +284,7 @@ bitset_index_init_iterator(struct bitset_index *index,
  * @retval false otherwise
  */
 bool
-bitset_index_contains_value(struct bitset_index *index, size_t value);
+tt_bitset_index_contains_value(struct tt_bitset_index *index, size_t value);
 
 /**
  * @brief Return the number of pairs in \a index.
@@ -292,9 +292,9 @@ bitset_index_contains_value(struct bitset_index *index, size_t value);
  * @return number of pairs in \a index
  */
 inline size_t
-bitset_index_size(const struct bitset_index *index)
+tt_bitset_index_size(const struct tt_bitset_index *index)
 {
-	return bitset_cardinality(index->bitsets[0]);
+	return tt_bitset_cardinality(index->bitsets[0]);
 }
 
 /**
@@ -304,11 +304,11 @@ bitset_index_size(const struct bitset_index *index)
  * @retval the number of (key, value ) pairs where (@a bit & key) != 0
  */
 inline size_t
-bitset_index_count(const struct bitset_index *index, size_t bit)
+tt_bitset_index_count(const struct tt_bitset_index *index, size_t bit)
 {
 	if (bit + 1 >= index->capacity)
 		return 0;
-	return bitset_cardinality(index->bitsets[bit + 1]);
+	return tt_bitset_cardinality(index->bitsets[bit + 1]);
 }
 
 /**
@@ -318,11 +318,11 @@ bitset_index_count(const struct bitset_index *index, size_t bit)
  * @return number of bytes used by index.
  */
 size_t
-bitset_index_bsize(const struct bitset_index *index);
+tt_bitset_index_bsize(const struct tt_bitset_index *index);
 
 #if defined(DEBUG)
 void
-bitset_index_dump(struct bitset_index *index, int verbose, FILE *stream);
+tt_bitset_index_dump(struct tt_bitset_index *index, int verbose, FILE *stream);
 #endif /* defined(DEBUG) */
 
 #if defined(__cplusplus)
diff --git a/src/lib/bitset/iterator.c b/src/lib/bitset/iterator.c
index 97f5ab0..226c852 100644
--- a/src/lib/bitset/iterator.c
+++ b/src/lib/bitset/iterator.c
@@ -38,13 +38,13 @@
 const size_t ITERATOR_DEFAULT_CAPACITY = 2;
 const size_t ITERATOR_CONJ_DEFAULT_CAPACITY = 32;
 
-struct bitset_iterator_conj {
+struct tt_bitset_iterator_conj {
 	size_t page_first_pos;
 	size_t size;
 	size_t capacity;
-	struct bitset **bitsets;
+	struct tt_bitset **bitsets;
 	bool *pre_nots;
-	struct bitset_page **pages;
+	struct tt_bitset_page **pages;
 };
 
 /**
@@ -53,8 +53,8 @@ struct bitset_iterator_conj {
  * @param realloc memory allocator to use
  */
 void
-bitset_iterator_create(struct bitset_iterator *it,
-		       void *(*realloc)(void *ptr, size_t size))
+tt_bitset_iterator_create(struct tt_bitset_iterator *it,
+			  void *(*realloc)(void *ptr, size_t size))
 {
 	memset(it, 0, sizeof(*it));
 	it->realloc = realloc;
@@ -66,7 +66,7 @@ bitset_iterator_create(struct bitset_iterator *it,
  * @see bitset_iterator_new
  */
 void
-bitset_iterator_destroy(struct bitset_iterator *it)
+tt_bitset_iterator_destroy(struct tt_bitset_iterator *it)
 {
 	for (size_t c = 0; c < it->size; c++) {
 		if (it->conjs[c].capacity == 0)
@@ -82,12 +82,12 @@ bitset_iterator_destroy(struct bitset_iterator *it)
 	}
 
 	if (it->page != NULL) {
-		bitset_page_destroy(it->page);
+		tt_bitset_page_destroy(it->page);
 		it->realloc(it->page, 0);
 	}
 
 	if (it->page_tmp != NULL) {
-		bitset_page_destroy(it->page_tmp);
+		tt_bitset_page_destroy(it->page_tmp);
 		it->realloc(it->page_tmp, 0);
 	}
 
@@ -96,7 +96,7 @@ bitset_iterator_destroy(struct bitset_iterator *it)
 
 
 static int
-bitset_iterator_reserve(struct bitset_iterator *it, size_t size)
+tt_bitset_iterator_reserve(struct tt_bitset_iterator *it, size_t size)
 {
 	if (size <= it->capacity)
 		return 0;
@@ -109,7 +109,7 @@ bitset_iterator_reserve(struct bitset_iterator *it, size_t size)
 		capacity *= 2;
 	}
 
-	struct bitset_iterator_conj *conjs =
+	struct tt_bitset_iterator_conj *conjs =
 			it->realloc(it->conjs, capacity * sizeof(*it->conjs));
 	if (conjs == NULL)
 		return -1;
@@ -124,8 +124,9 @@ bitset_iterator_reserve(struct bitset_iterator *it, size_t size)
 }
 
 static int
-bitset_iterator_conj_reserve(struct bitset_iterator *it,
-			     struct bitset_iterator_conj *conj, size_t size)
+tt_bitset_iterator_conj_reserve(struct tt_bitset_iterator *it,
+				struct tt_bitset_iterator_conj *conj,
+				size_t size)
 {
 	if (size <= conj->capacity)
 		return 0;
@@ -138,7 +139,7 @@ bitset_iterator_conj_reserve(struct bitset_iterator *it,
 		capacity *= 2;
 	}
 
-	struct bitset **bitsets = it->realloc(conj->bitsets,
+	struct tt_bitset **bitsets = it->realloc(conj->bitsets,
 					capacity * sizeof(*conj->bitsets));
 	if (bitsets == NULL)
 		goto error_1;
@@ -146,7 +147,7 @@ bitset_iterator_conj_reserve(struct bitset_iterator *it,
 					capacity * sizeof(*conj->pre_nots));
 	if (pre_nots == NULL)
 		goto error_2;
-	struct bitset_page **pages = it->realloc(conj->pages,
+	struct tt_bitset_page **pages = it->realloc(conj->pages,
 					capacity * sizeof(*conj->pages));
 	if (pages == NULL)
 		goto error_3;
@@ -174,8 +175,9 @@ error_1:
 }
 
 int
-bitset_iterator_init(struct bitset_iterator *it, struct bitset_expr *expr,
-		     struct bitset **p_bitsets, size_t bitsets_size)
+tt_bitset_iterator_init(struct tt_bitset_iterator *it,
+			struct tt_bitset_expr *expr,
+			struct tt_bitset **p_bitsets, size_t bitsets_size)
 {
 	assert(it != NULL);
 	assert(expr != NULL);
@@ -183,34 +185,35 @@ bitset_iterator_init(struct bitset_iterator *it, struct bitset_expr *expr,
 		assert(p_bitsets != NULL);
 	}
 
-	size_t page_alloc_size = bitset_page_alloc_size(it->realloc);
+	size_t page_alloc_size = tt_bitset_page_alloc_size(it->realloc);
 	if (it->page != NULL) {
-		bitset_page_destroy(it->page);
+		tt_bitset_page_destroy(it->page);
 	} else {
 		it->page = it->realloc(NULL, page_alloc_size);
 	}
 
-	bitset_page_create(it->page);
+	tt_bitset_page_create(it->page);
 
 	if (it->page_tmp != NULL) {
-		bitset_page_destroy(it->page_tmp);
+		tt_bitset_page_destroy(it->page_tmp);
 	} else {
 		it->page_tmp = it->realloc(NULL, page_alloc_size);
 		if (it->page_tmp == NULL)
 			return -1;
 	}
 
-	bitset_page_create(it->page_tmp);
+	tt_bitset_page_create(it->page_tmp);
 
-	if (bitset_iterator_reserve(it, expr->size) != 0)
+	if (tt_bitset_iterator_reserve(it, expr->size) != 0)
 		return -1;
 
 	for (size_t c = 0; c < expr->size; c++) {
-		struct bitset_expr_conj *exconj = &expr->conjs[c];
-		struct bitset_iterator_conj *itconj = &it->conjs[c];
+		struct tt_bitset_expr_conj *exconj = &expr->conjs[c];
+		struct tt_bitset_iterator_conj *itconj = &it->conjs[c];
 		itconj->page_first_pos = 0;
 
-		if (bitset_iterator_conj_reserve(it, itconj, exconj->size) != 0)
+		if (tt_bitset_iterator_conj_reserve(it, itconj,
+						    exconj->size) != 0)
 			return -1;
 
 		for (size_t b = 0; b < exconj->size; b++) {
@@ -226,13 +229,14 @@ bitset_iterator_init(struct bitset_iterator *it, struct bitset_expr *expr,
 
 	it->size = expr->size;
 
-	bitset_iterator_rewind(it);
+	tt_bitset_iterator_rewind(it);
 
 	return 0;
 }
 
 static void
-bitset_iterator_conj_rewind(struct bitset_iterator_conj *conj, size_t pos)
+tt_bitset_iterator_conj_rewind(struct tt_bitset_iterator_conj *conj,
+			       size_t pos)
 {
 	assert(conj != NULL);
 	assert(pos % (BITSET_PAGE_DATA_SIZE * CHAR_BIT) == 0);
@@ -243,13 +247,13 @@ bitset_iterator_conj_rewind(struct bitset_iterator_conj *conj, size_t pos)
 		return;
 	}
 
-	struct bitset_page key;
+	struct tt_bitset_page key;
 	key.first_pos = pos;
 
 	restart:
 	for (size_t b = 0; b < conj->size; b++) {
-		conj->pages[b] = bitset_pages_nsearch(&conj->bitsets[b]->pages,
-						      &key);
+		conj->pages[b] =
+			tt_bitset_pages_nsearch(&conj->bitsets[b]->pages, &key);
 #if 0
 		if (conj->pages[b] != NULL) {
 			fprintf(stderr, "rewind [%zu] => %zu (%p)\n", b,
@@ -280,12 +284,14 @@ bitset_iterator_conj_rewind(struct bitset_iterator_conj *conj, size_t pos)
 }
 
 static int
-bitset_iterator_conj_cmp(const void *p1, const void *p2)
+tt_bitset_iterator_conj_cmp(const void *p1, const void *p2)
 {
 	assert(p1 != NULL && p2 != NULL);
 
-	struct bitset_iterator_conj *conj1 = (struct bitset_iterator_conj *) p1;
-	struct bitset_iterator_conj *conj2 = (struct bitset_iterator_conj *) p2;
+	struct tt_bitset_iterator_conj *conj1 =
+		(struct tt_bitset_iterator_conj *) p1;
+	struct tt_bitset_iterator_conj *conj2 =
+		(struct tt_bitset_iterator_conj *) p2;
 
 	if (conj1->page_first_pos < conj2->page_first_pos) {
 		return -1;
@@ -297,20 +303,20 @@ bitset_iterator_conj_cmp(const void *p1, const void *p2)
 }
 
 static void
-bitset_iterator_conj_prepare_page(struct bitset_iterator_conj *conj,
-				  struct bitset_page *dst)
+tt_bitset_iterator_conj_prepare_page(struct tt_bitset_iterator_conj *conj,
+				     struct tt_bitset_page *dst)
 {
 	assert(conj != NULL);
 	assert(dst != NULL);
 	assert(conj->size > 0);
 	assert(conj->page_first_pos != SIZE_MAX);
 
-	bitset_page_set_ones(dst);
+	tt_bitset_page_set_ones(dst);
 	for (size_t b = 0; b < conj->size; b++) {
 		if (!conj->pre_nots[b]) {
 			/* conj->pages[b] is rewinded to conj->page_first_pos */
 			assert(conj->pages[b]->first_pos == conj->page_first_pos);
-			bitset_page_and(dst, conj->pages[b]);
+			tt_bitset_page_and(dst, conj->pages[b]);
 		} else {
 			/*
 			 * If page is NULL or its position is not equal
@@ -324,18 +330,18 @@ bitset_iterator_conj_prepare_page(struct bitset_iterator_conj *conj,
 			    conj->pages[b]->first_pos != conj->page_first_pos)
 				continue;
 
-			bitset_page_nand(dst, conj->pages[b]);
+			tt_bitset_page_nand(dst, conj->pages[b]);
 		}
 	}
 }
 
 static void
-bitset_iterator_prepare_page(struct bitset_iterator *it)
+tt_bitset_iterator_prepare_page(struct tt_bitset_iterator *it)
 {
 	qsort(it->conjs, it->size, sizeof(*it->conjs),
-	      bitset_iterator_conj_cmp);
+	      tt_bitset_iterator_conj_cmp);
 
-	bitset_page_set_zeros(it->page);
+	tt_bitset_page_set_zeros(it->page);
 	if (it->size > 0) {
 		it->page->first_pos = it->conjs[0].page_first_pos;
 	} else {
@@ -352,32 +358,33 @@ bitset_iterator_prepare_page(struct bitset_iterator *it)
 			break;
 
 		/* Get result from conj */
-		bitset_iterator_conj_prepare_page(&it->conjs[c], it->page_tmp);
+		tt_bitset_iterator_conj_prepare_page(&it->conjs[c],
+						     it->page_tmp);
 		/* OR page from conjunction with it->page */
-		bitset_page_or(it->page, it->page_tmp);
+		tt_bitset_page_or(it->page, it->page_tmp);
 	}
 
 	/* Init the bit iterator on it->page */
-	bit_iterator_init(&it->page_it, bitset_page_data(it->page),
+	bit_iterator_init(&it->page_it, tt_bitset_page_data(it->page),
 		      BITSET_PAGE_DATA_SIZE, true);
 }
 
 static void
-bitset_iterator_first_page(struct bitset_iterator *it)
+tt_bitset_iterator_first_page(struct tt_bitset_iterator *it)
 {
 	assert(it != NULL);
 
 	/* Rewind all conjunctions to first positions */
 	for (size_t c = 0; c < it->size; c++) {
-		bitset_iterator_conj_rewind(&it->conjs[c], 0);
+		tt_bitset_iterator_conj_rewind(&it->conjs[c], 0);
 	}
 
 	/* Prepare the result page */
-	bitset_iterator_prepare_page(it);
+	tt_bitset_iterator_prepare_page(it);
 }
 
 static void
-bitset_iterator_next_page(struct bitset_iterator *it)
+tt_bitset_iterator_next_page(struct tt_bitset_iterator *it)
 {
 	assert(it != NULL);
 
@@ -390,26 +397,26 @@ bitset_iterator_next_page(struct bitset_iterator *it)
 		if (it->conjs[c].page_first_pos > pos)
 			break;
 
-		bitset_iterator_conj_rewind(&it->conjs[c], pos + PAGE_BIT);
+		tt_bitset_iterator_conj_rewind(&it->conjs[c], pos + PAGE_BIT);
 		assert(pos + PAGE_BIT <= it->conjs[c].page_first_pos);
 	}
 
 	/* Prepare the result page */
-	bitset_iterator_prepare_page(it);
+	tt_bitset_iterator_prepare_page(it);
 }
 
 
 void
-bitset_iterator_rewind(struct bitset_iterator *it)
+tt_bitset_iterator_rewind(struct tt_bitset_iterator *it)
 {
 	assert(it != NULL);
 
 	/* Prepare first page */
-	bitset_iterator_first_page(it);
+	tt_bitset_iterator_first_page(it);
 }
 
 size_t
-bitset_iterator_next(struct bitset_iterator *it)
+tt_bitset_iterator_next(struct tt_bitset_iterator *it)
 {
 	assert(it != NULL);
 
@@ -422,6 +429,6 @@ bitset_iterator_next(struct bitset_iterator *it)
 			return it->page->first_pos + pos;
 		}
 
-		bitset_iterator_next_page(it);
+		tt_bitset_iterator_next_page(it);
 	}
 }
diff --git a/src/lib/bitset/iterator.h b/src/lib/bitset/iterator.h
index 2e4f37b..8337ebb 100644
--- a/src/lib/bitset/iterator.h
+++ b/src/lib/bitset/iterator.h
@@ -56,19 +56,19 @@ extern "C" {
 #endif /* defined(__cplusplus) */
 
 /** @cond false **/
-struct bitset_iterator_conj;
+struct tt_bitset_iterator_conj;
 /** @endcond **/
 
 /**
  * @brief Bitset Iterator
  */
-struct bitset_iterator {
+struct tt_bitset_iterator {
 	/** @cond false **/
 	size_t size;
 	size_t capacity;
-	struct bitset_iterator_conj *conjs;
-	struct bitset_page *page;
-	struct bitset_page *page_tmp;
+	struct tt_bitset_iterator_conj *conjs;
+	struct tt_bitset_page *page;
+	struct tt_bitset_page *page_tmp;
 	void *(*realloc)(void *ptr, size_t size);
 	struct bit_iterator page_it;
 	/** @endcond **/
@@ -83,15 +83,15 @@ struct bitset_iterator {
  * @param realloc memory allocator to use
  */
 void
-bitset_iterator_create(struct bitset_iterator *it,
-		       void *(*realloc)(void *ptr, size_t size));
+tt_bitset_iterator_create(struct tt_bitset_iterator *it,
+			  void *(*realloc)(void *ptr, size_t size));
 
 /**
  * @brief Destruct \a it.
  * @param it bitset iterator
  */
 void
-bitset_iterator_destroy(struct bitset_iterator *it);
+tt_bitset_iterator_destroy(struct tt_bitset_iterator *it);
 
 /**
  * @brief Initialize the \a it using \a expr and \a bitsets and rewind the
@@ -114,8 +114,9 @@ bitset_iterator_destroy(struct bitset_iterator *it);
  * @see expr.h
  */
 int
-bitset_iterator_init(struct bitset_iterator *it, struct bitset_expr *expr,
-		     struct bitset **bitsets, size_t bitsets_size);
+tt_bitset_iterator_init(struct tt_bitset_iterator *it,
+			struct tt_bitset_expr *expr, struct tt_bitset **bitsets,
+			size_t bitsets_size);
 
 /**
  * @brief Rewind the \a it to the start position.
@@ -123,7 +124,7 @@ bitset_iterator_init(struct bitset_iterator *it, struct bitset_expr *expr,
  * @see @link bitset_iterator_init @endlink
  */
 void
-bitset_iterator_rewind(struct bitset_iterator *it);
+tt_bitset_iterator_rewind(struct tt_bitset_iterator *it);
 
 /**
  * @brief Move \a it to a next position
@@ -133,7 +134,7 @@ bitset_iterator_rewind(struct bitset_iterator *it);
  * @see @link bitset_iterator_init @endlink
  */
 size_t
-bitset_iterator_next(struct bitset_iterator *it);
+tt_bitset_iterator_next(struct tt_bitset_iterator *it);
 
 #if defined(__cplusplus)
 }
diff --git a/src/lib/bitset/page.c b/src/lib/bitset/page.c
index ff42493..a0bf76f 100644
--- a/src/lib/bitset/page.c
+++ b/src/lib/bitset/page.c
@@ -33,38 +33,38 @@
 #include "bitset/bitset.h"
 
 extern inline size_t
-bitset_page_alloc_size(void *(*realloc_arg)(void *ptr, size_t size));
+tt_bitset_page_alloc_size(void *(*realloc_arg)(void *ptr, size_t size));
 
 extern inline void *
-bitset_page_data(struct bitset_page *page);
+tt_bitset_page_data(struct tt_bitset_page *page);
 
 extern inline void
-bitset_page_create(struct bitset_page *page);
+tt_bitset_page_create(struct tt_bitset_page *page);
 
 extern inline void
-bitset_page_destroy(struct bitset_page *page);
+tt_bitset_page_destroy(struct tt_bitset_page *page);
 
 extern inline size_t
-bitset_page_first_pos(size_t pos);
+tt_bitset_page_first_pos(size_t pos);
 
 extern inline void
-bitset_page_set_zeros(struct bitset_page *page);
+tt_bitset_page_set_zeros(struct tt_bitset_page *page);
 
 extern inline void
-bitset_page_set_ones(struct bitset_page *page);
+tt_bitset_page_set_ones(struct tt_bitset_page *page);
 
 extern inline void
-bitset_page_and(struct bitset_page *dst, struct bitset_page *src);
+tt_bitset_page_and(struct tt_bitset_page *dst, struct tt_bitset_page *src);
 
 extern inline void
-bitset_page_nand(struct bitset_page *dst, struct bitset_page *src);
+tt_bitset_page_nand(struct tt_bitset_page *dst, struct tt_bitset_page *src);
 
 extern inline void
-bitset_page_or(struct bitset_page *dst, struct bitset_page *src);
+tt_bitset_page_or(struct tt_bitset_page *dst, struct tt_bitset_page *src);
 
 #if defined(DEBUG)
 void
-bitset_page_dump(struct bitset_page *page, FILE *stream)
+tt_bitset_page_dump(struct tt_bitset_page *page, FILE *stream)
 {
 	fprintf(stream, "Page %zu:\n", page->first_pos);
 	char *d = bitset_page_data(page);
@@ -77,7 +77,7 @@ bitset_page_dump(struct bitset_page *page, FILE *stream)
 #endif /* defined(DEBUG) */
 
 static inline int
-page_cmp(const struct bitset_page *a, const struct bitset_page *b)
+page_cmp(const struct tt_bitset_page *a, const struct tt_bitset_page *b)
 {
 	if (a->first_pos < b->first_pos) {
 		return -1;
@@ -88,4 +88,5 @@ page_cmp(const struct bitset_page *a, const struct bitset_page *b)
 	}
 }
 
-rb_gen(, bitset_pages_, bitset_pages_t, struct bitset_page, node, page_cmp)
+rb_gen(, tt_bitset_pages_, tt_bitset_pages_t, struct tt_bitset_page, node,
+	page_cmp)
diff --git a/src/lib/bitset/page.h b/src/lib/bitset/page.h
index b77e37f..aaeea51 100644
--- a/src/lib/bitset/page.h
+++ b/src/lib/bitset/page.h
@@ -43,7 +43,7 @@
 
 #include <stdlib.h>
 #if defined(DEBUG)
-#include <stdio.h> /* for dumping bitset_page to file */
+#include <stdio.h> /* for dumping tt_bitset_page to file */
 #endif /* defined(DEBUG) */
 #include <string.h>
 #include <limits.h>
@@ -59,17 +59,17 @@ enum {
 };
 
 #if defined(ENABLE_AVX)
-typedef __m256i bitset_word_t;
+typedef __m256i tt_bitset_word_t;
 #define BITSET_PAGE_DATA_ALIGNMENT 32
 #elif defined(ENABLE_SSE2)
-typedef __m128i bitset_word_t;
+typedef __m128i tt_bitset_word_t;
 #define BITSET_PAGE_DATA_ALIGNMENT 16
 #elif defined(__x86_64__)
-typedef uint64_t bitset_word_t;
+typedef uint64_t tt_bitset_word_t;
 #define BITSET_PAGE_DATA_ALIGNMENT 1
 #else
 #define BITSET_PAGE_DATA_ALIGNMENT 1
-typedef uint32_t bitset_word_t;
+typedef uint32_t tt_bitset_word_t;
 #endif
 
 #if (defined(__GLIBC__) && (__WORDSIZE == 64) && \
@@ -89,98 +89,99 @@ typedef uint32_t bitset_word_t;
 #endif /* aligned malloc */
 
 inline size_t
-bitset_page_alloc_size(void *(*realloc_arg)(void *ptr, size_t size))
+tt_bitset_page_alloc_size(void *(*realloc_arg)(void *ptr, size_t size))
 {
 	if (BITSET_PAGE_DATA_ALIGNMENT <= 1 || (
 		(MALLOC_ALIGNMENT % BITSET_PAGE_DATA_ALIGNMENT == 0) &&
-		(sizeof(struct bitset_page) % BITSET_PAGE_DATA_ALIGNMENT == 0) &&
+		(sizeof(struct tt_bitset_page) %
+			BITSET_PAGE_DATA_ALIGNMENT == 0) &&
 		(realloc_arg == realloc))) {
 
 		/* Alignment is not needed */
-		return sizeof(struct bitset_page) + BITSET_PAGE_DATA_SIZE;
+		return sizeof(struct tt_bitset_page) + BITSET_PAGE_DATA_SIZE;
 	}
 
-	return sizeof(struct bitset_page) + BITSET_PAGE_DATA_SIZE +
+	return sizeof(struct tt_bitset_page) + BITSET_PAGE_DATA_SIZE +
 			BITSET_PAGE_DATA_ALIGNMENT;
 }
 
 #undef MALLOC_ALIGNMENT
 
 inline void *
-bitset_page_data(struct bitset_page *page)
+tt_bitset_page_data(struct tt_bitset_page *page)
 {
 	uintptr_t r = (uintptr_t) (page->data + BITSET_PAGE_DATA_ALIGNMENT - 1);
 	return (void *) (r & ~((uintptr_t) BITSET_PAGE_DATA_ALIGNMENT - 1));
 }
 
 inline void
-bitset_page_create(struct bitset_page *page)
+tt_bitset_page_create(struct tt_bitset_page *page)
 {
-	size_t size = ((char *) bitset_page_data(page) - (char *) page)
+	size_t size = ((char *) tt_bitset_page_data(page) - (char *) page)
 			+ BITSET_PAGE_DATA_SIZE;
 	memset(page, 0, size);
 }
 
 inline void
-bitset_page_destroy(struct bitset_page *page)
+tt_bitset_page_destroy(struct tt_bitset_page *page)
 {
 	(void) page;
 	/* nothing */
 }
 
 inline size_t
-bitset_page_first_pos(size_t pos) {
+tt_bitset_page_first_pos(size_t pos) {
 	return pos - (pos % (BITSET_PAGE_DATA_SIZE * CHAR_BIT));
 }
 
 inline void
-bitset_page_set_zeros(struct bitset_page *page)
+tt_bitset_page_set_zeros(struct tt_bitset_page *page)
 {
-	void *data = bitset_page_data(page);
+	void *data = tt_bitset_page_data(page);
 	memset(data, 0, BITSET_PAGE_DATA_SIZE);
 }
 
 inline void
-bitset_page_set_ones(struct bitset_page *page)
+tt_bitset_page_set_ones(struct tt_bitset_page *page)
 {
-	void *data = bitset_page_data(page);
+	void *data = tt_bitset_page_data(page);
 	memset(data, -1, BITSET_PAGE_DATA_SIZE);
 }
 
 inline void
-bitset_page_and(struct bitset_page *dst, struct bitset_page *src)
+tt_bitset_page_and(struct tt_bitset_page *dst, struct tt_bitset_page *src)
 {
-	bitset_word_t *d = (bitset_word_t *) bitset_page_data(dst);
-	bitset_word_t *s = (bitset_word_t *) bitset_page_data(src);
+	tt_bitset_word_t *d = (tt_bitset_word_t *) tt_bitset_page_data(dst);
+	tt_bitset_word_t *s = (tt_bitset_word_t *) tt_bitset_page_data(src);
 
-	assert(BITSET_PAGE_DATA_SIZE % sizeof(bitset_word_t) == 0);
-	int cnt = BITSET_PAGE_DATA_SIZE / sizeof(bitset_word_t);
+	assert(BITSET_PAGE_DATA_SIZE % sizeof(tt_bitset_word_t) == 0);
+	int cnt = BITSET_PAGE_DATA_SIZE / sizeof(tt_bitset_word_t);
 	for (int i = 0; i < cnt; i++) {
 		*d++ &= *s++;
 	}
 }
 
 inline void
-bitset_page_nand(struct bitset_page *dst, struct bitset_page *src)
+tt_bitset_page_nand(struct tt_bitset_page *dst, struct tt_bitset_page *src)
 {
-	bitset_word_t *d = (bitset_word_t *) bitset_page_data(dst);
-	bitset_word_t *s = (bitset_word_t *) bitset_page_data(src);
+	tt_bitset_word_t *d = (tt_bitset_word_t *) tt_bitset_page_data(dst);
+	tt_bitset_word_t *s = (tt_bitset_word_t *) tt_bitset_page_data(src);
 
-	assert(BITSET_PAGE_DATA_SIZE % sizeof(bitset_word_t) == 0);
-	int cnt = BITSET_PAGE_DATA_SIZE / sizeof(bitset_word_t);
+	assert(BITSET_PAGE_DATA_SIZE % sizeof(tt_bitset_word_t) == 0);
+	int cnt = BITSET_PAGE_DATA_SIZE / sizeof(tt_bitset_word_t);
 	for (int i = 0; i < cnt; i++) {
 		*d++ &= ~*s++;
 	}
 }
 
 inline void
-bitset_page_or(struct bitset_page *dst, struct bitset_page *src)
+tt_bitset_page_or(struct tt_bitset_page *dst, struct tt_bitset_page *src)
 {
-	bitset_word_t *d = (bitset_word_t *) bitset_page_data(dst);
-	bitset_word_t *s = (bitset_word_t *) bitset_page_data(src);
+	tt_bitset_word_t *d = (tt_bitset_word_t *) tt_bitset_page_data(dst);
+	tt_bitset_word_t *s = (tt_bitset_word_t *) tt_bitset_page_data(src);
 
-	assert(BITSET_PAGE_DATA_SIZE % sizeof(bitset_word_t) == 0);
-	int cnt = BITSET_PAGE_DATA_SIZE / sizeof(bitset_word_t);
+	assert(BITSET_PAGE_DATA_SIZE % sizeof(tt_bitset_word_t) == 0);
+	int cnt = BITSET_PAGE_DATA_SIZE / sizeof(tt_bitset_word_t);
 	for (int i = 0; i < cnt; i++) {
 		*d++ |= *s++;
 	}
@@ -188,10 +189,10 @@ bitset_page_or(struct bitset_page *dst, struct bitset_page *src)
 
 #if defined(DEBUG)
 void
-bitset_page_dump(struct bitset_page *page, FILE *stream);
+tt_bitset_page_dump(struct tt_bitset_page *page, FILE *stream);
 #endif /* defined(DEBUG) */
 
-rb_proto(, bitset_pages_, bitset_pages_t, struct bitset_page)
+rb_proto(, tt_bitset_pages_, tt_bitset_pages_t, struct tt_bitset_page)
 
 
 #if defined(__cplusplus)
diff --git a/test/unit/bitset_basic.c b/test/unit/bitset_basic.c
index cbbbce4..a2cbce4 100644
--- a/test/unit/bitset_basic.c
+++ b/test/unit/bitset_basic.c
@@ -11,43 +11,43 @@ void test_cardinality()
 {
 	header();
 
-	struct bitset bm;
-	bitset_create(&bm, realloc);
+	struct tt_bitset bm;
+	tt_bitset_create(&bm, realloc);
 
-	fail_unless(bitset_cardinality(&bm) == 0);
+	fail_unless(tt_bitset_cardinality(&bm) == 0);
 
 	size_t cnt = 0;
-	fail_if(bitset_set(&bm, 10) < 0);
+	fail_if(tt_bitset_set(&bm, 10) < 0);
 	cnt++;
-	fail_if(bitset_set(&bm, 15) < 0);
+	fail_if(tt_bitset_set(&bm, 15) < 0);
 	cnt++;
-	fail_if(bitset_set(&bm, 20) < 0);
+	fail_if(tt_bitset_set(&bm, 20) < 0);
 	cnt++;
 
-	fail_unless(bitset_cardinality(&bm) == cnt);
+	fail_unless(tt_bitset_cardinality(&bm) == cnt);
 
-	fail_if(bitset_set(&bm, 10) < 0);
-	fail_unless(bitset_cardinality(&bm) == cnt);
+	fail_if(tt_bitset_set(&bm, 10) < 0);
+	fail_unless(tt_bitset_cardinality(&bm) == cnt);
 
-	fail_if(bitset_clear(&bm, 20) < 0);
+	fail_if(tt_bitset_clear(&bm, 20) < 0);
 	cnt--;
-	fail_unless(bitset_cardinality(&bm) == cnt);
+	fail_unless(tt_bitset_cardinality(&bm) == cnt);
 
-	fail_if(bitset_clear(&bm, 20) < 0);
-	fail_unless(bitset_cardinality(&bm) == cnt);
+	fail_if(tt_bitset_clear(&bm, 20) < 0);
+	fail_unless(tt_bitset_cardinality(&bm) == cnt);
 
-	fail_if(bitset_clear(&bm, 666) < 0);
-	fail_unless(bitset_cardinality(&bm) == cnt);
+	fail_if(tt_bitset_clear(&bm, 666) < 0);
+	fail_unless(tt_bitset_cardinality(&bm) == cnt);
 
-	fail_if(bitset_clear(&bm, 10) < 0);
+	fail_if(tt_bitset_clear(&bm, 10) < 0);
 	cnt--;
-	fail_unless(bitset_cardinality(&bm) == cnt);
+	fail_unless(tt_bitset_cardinality(&bm) == cnt);
 
-	fail_if(bitset_clear(&bm, 15) < 0);
+	fail_if(tt_bitset_clear(&bm, 15) < 0);
 	cnt--;
-	fail_unless(bitset_cardinality(&bm) == cnt);
+	fail_unless(tt_bitset_cardinality(&bm) == cnt);
 
-	bitset_destroy(&bm);
+	tt_bitset_destroy(&bm);
 
 	footer();
 }
@@ -87,8 +87,8 @@ void test_get_set()
 {
 	header();
 
-	struct bitset bm;
-	bitset_create(&bm, realloc);
+	struct tt_bitset bm;
+	tt_bitset_create(&bm, realloc);
 
 	const size_t NUM_SIZE = (size_t) 1 << 14;
 	size_t *nums = malloc(NUM_SIZE * sizeof(size_t));
@@ -114,7 +114,7 @@ void test_get_set()
 	for(size_t i = 0; i < NUM_SIZE; i++) {
 		if (nums[i] == SIZE_MAX)
 			continue;
-		fail_if(bitset_set(&bm, nums[i]) < 0);
+		fail_if(tt_bitset_set(&bm, nums[i]) < 0);
 	}
 	printf("ok\n");
 
@@ -123,7 +123,7 @@ void test_get_set()
 	for(size_t i = 0; i < NUM_SIZE; i++) {
 		if (nums[i] == SIZE_MAX)
 			continue;
-		fail_unless(bitset_test(&bm, nums[i]));
+		fail_unless(tt_bitset_test(&bm, nums[i]));
 	}
 	printf("ok\n");
 
@@ -132,8 +132,8 @@ void test_get_set()
 		size_t i = rand() % NUM_SIZE;
 		if (nums[i] == SIZE_MAX)
 			continue;
-		fail_if(bitset_clear(&bm, nums[i]) < 0);
-		fail_if(bitset_test(&bm, nums[i]));
+		fail_if(tt_bitset_clear(&bm, nums[i]) < 0);
+		fail_if(tt_bitset_test(&bm, nums[i]));
 		nums[i] = SIZE_MAX;
 	}
 	printf("ok\n");
@@ -145,10 +145,10 @@ void test_get_set()
 			continue;
 		}
 
-		if (!bitset_test(&bm, nums[i])) {
+		if (!tt_bitset_test(&bm, nums[i])) {
 			printf("Fail :%zu\n", nums[i]);
 		}
-		fail_unless(bitset_test(&bm, nums[i]));
+		fail_unless(tt_bitset_test(&bm, nums[i]));
 	}
 	printf("ok\n");
 
@@ -161,10 +161,10 @@ void test_get_set()
 
 	for(size_t i = 0; i < i_max; i++) {
 		if (*pn < SIZE_MAX && *pn == i) {
-			fail_unless(bitset_test(&bm, *pn));
+			fail_unless(tt_bitset_test(&bm, *pn));
 			pn++;
 		} else {
-			fail_if(bitset_test(&bm, i));
+			fail_if(tt_bitset_test(&bm, i));
 		}
 	}
 	printf("ok\n");
@@ -177,20 +177,20 @@ void test_get_set()
 			continue;
 		}
 
-		fail_if(bitset_clear(&bm, nums[i]) < 0);
+		fail_if(tt_bitset_clear(&bm, nums[i]) < 0);
 	}
 	printf("ok\n");
 
 
 	printf("Checking all bits... ");
 	for(size_t i = 0; i < i_max; i++) {
-		fail_if(bitset_test(&bm, i));
+		fail_if(tt_bitset_test(&bm, i));
 	}
 	printf("ok\n");
 
 	free(nums);
 
-	bitset_destroy(&bm);
+	tt_bitset_destroy(&bm);
 
 	footer();
 }
diff --git a/test/unit/bitset_index.c b/test/unit/bitset_index.c
index 736c897..8343317 100644
--- a/test/unit/bitset_index.c
+++ b/test/unit/bitset_index.c
@@ -14,27 +14,27 @@ void test_resize(void)
 {
 	header();
 
-	struct bitset_index index;
-	bitset_index_create(&index, realloc);
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_index index;
+	tt_bitset_index_create(&index, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
 	size_t key = 23411111;
 	size_t value = 2321321;
 
-	bitset_index_insert(&index, &key, sizeof(key), value);
+	tt_bitset_index_insert(&index, &key, sizeof(key), value);
 
-	fail_unless(bitset_index_expr_equals(&expr, &key, sizeof(key)) == 0);
+	fail_unless(tt_bitset_index_expr_equals(&expr, &key, sizeof(key)) == 0);
 
-	fail_unless(bitset_index_init_iterator(&index, &it, &expr) == 0);
-	fail_unless(bitset_iterator_next(&it) == value);
-	fail_unless(bitset_iterator_next(&it) == SIZE_MAX);
+	fail_unless(tt_bitset_index_init_iterator(&index, &it, &expr) == 0);
+	fail_unless(tt_bitset_iterator_next(&it) == value);
+	fail_unless(tt_bitset_iterator_next(&it) == SIZE_MAX);
 
-	bitset_expr_destroy(&expr);
-	bitset_iterator_destroy(&it);
-	bitset_index_destroy(&index);
+	tt_bitset_expr_destroy(&expr);
+	tt_bitset_iterator_destroy(&it);
+	tt_bitset_index_destroy(&index);
 
 	footer();
 }
@@ -44,35 +44,35 @@ void test_size_and_count(void)
 {
 	header();
 
-	struct bitset_index index;
-	bitset_index_create(&index, realloc);
+	struct tt_bitset_index index;
+	tt_bitset_index_create(&index, realloc);
 
 	enum { P = 10, SIZE = (1 << P) + 1 };
 	for(size_t i = 0; i < SIZE; i++) {
-		bitset_index_insert(&index, &i, sizeof(i), i);
+		tt_bitset_index_insert(&index, &i, sizeof(i), i);
 	}
 
-	fail_unless(bitset_index_size(&index) == SIZE);
-	fail_unless(bitset_index_count(&index, 0) == SIZE / 2);
-	fail_unless(bitset_index_count(&index, 1) == SIZE / 2);
-	fail_unless(bitset_index_count(&index, 4) == SIZE / 2);
-	fail_unless(bitset_index_count(&index, P) == 1);
-	fail_unless(bitset_index_count(&index, P + 1) == 0);
-	fail_unless(bitset_index_count(&index, 2147483648) == 0);
+	fail_unless(tt_bitset_index_size(&index) == SIZE);
+	fail_unless(tt_bitset_index_count(&index, 0) == SIZE / 2);
+	fail_unless(tt_bitset_index_count(&index, 1) == SIZE / 2);
+	fail_unless(tt_bitset_index_count(&index, 4) == SIZE / 2);
+	fail_unless(tt_bitset_index_count(&index, P) == 1);
+	fail_unless(tt_bitset_index_count(&index, P + 1) == 0);
+	fail_unless(tt_bitset_index_count(&index, 2147483648) == 0);
 
-	bitset_index_destroy(&index);
+	tt_bitset_index_destroy(&index);
 
 	footer();
 }
 
 static
-void check_keys(struct bitset_index *index,
+void check_keys(struct tt_bitset_index *index,
 		size_t *keys, size_t *values, size_t size)
 {
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
 	printf("Checking keys... ");
 	for (size_t i = 0; i < size; i++) {
@@ -81,15 +81,16 @@ void check_keys(struct bitset_index *index,
 			continue;
 		}
 
-		fail_unless(bitset_index_expr_equals(&expr, &keys[i],
-						     sizeof(keys[i])) == 0);
+		fail_unless(tt_bitset_index_expr_equals(&expr, &keys[i],
+							sizeof(keys[i])) == 0);
 
-		fail_unless(bitset_index_init_iterator(index, &it, &expr) == 0);
+		fail_unless(
+			tt_bitset_index_init_iterator(index, &it, &expr) == 0);
 
 		size_t pos;
 
 		bool pair_found = false;
-		while ( (pos = bitset_iterator_next(&it)) != SIZE_MAX) {
+		while ( (pos = tt_bitset_iterator_next(&it)) != SIZE_MAX) {
 			if (pos == values[i]) {
 				pair_found = true;
 				break;
@@ -99,8 +100,8 @@ void check_keys(struct bitset_index *index,
 	}
 	printf("ok\n");
 
-	bitset_iterator_destroy(&it);
-	bitset_expr_destroy(&expr);
+	tt_bitset_iterator_destroy(&it);
+	tt_bitset_expr_destroy(&expr);
 }
 
 static
@@ -108,8 +109,8 @@ void test_insert_remove(void)
 {
 	header();
 
-	struct bitset_index index;
-	bitset_index_create(&index, realloc);
+	struct tt_bitset_index index;
+	tt_bitset_index_create(&index, realloc);
 
 	size_t NUMS_SIZE = 1 << 11;
 	size_t *keys = malloc(NUMS_SIZE * sizeof(size_t));
@@ -128,21 +129,21 @@ void test_insert_remove(void)
 
 	printf("Inserting pairs... ");
 	for(size_t i = 0; i < NUMS_SIZE; i++) {
-		bitset_index_insert(&index, &keys[i], sizeof(keys[i]),
-				    values[i]);
+		tt_bitset_index_insert(&index, &keys[i], sizeof(keys[i]),
+				       values[i]);
 
 	}
 	printf("ok\n");
 
 	check_keys(&index, keys, values, NUMS_SIZE);
 
-	fail_unless(bitset_index_count(&index, 0) == count0);
-	fail_unless(bitset_index_count(&index, 1) == count1);
+	fail_unless(tt_bitset_index_count(&index, 0) == count0);
+	fail_unless(tt_bitset_index_count(&index, 1) == count1);
 
 	printf("Removing random pairs... ");
 	for(size_t i = 0; i < NUMS_SIZE; i++) {
 		if (rand() % 5 == 0) {
-			bitset_index_remove_value(&index, values[i]);
+			tt_bitset_index_remove_value(&index, values[i]);
 			keys[i] = SIZE_MAX;
 		}
 	}
@@ -150,7 +151,7 @@ void test_insert_remove(void)
 
 	check_keys(&index, keys, values, NUMS_SIZE);
 
-	bitset_index_destroy(&index);
+	tt_bitset_index_destroy(&index);
 
 	free(keys);
 	free(values);
@@ -164,16 +165,16 @@ void test_simple(int mode, size_t search_mask)
 {
 	fail_unless(mode >= 0 && mode < 3);
 
-	struct bitset_index index;
-	bitset_index_create(&index, realloc);
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_index index;
+	tt_bitset_index_create(&index, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
 	size_t check_count = 0;
 	for (size_t key = 0; key < NUMS_SIZE; key++) {
-		bitset_index_insert(&index, &key, sizeof(key), key);
+		tt_bitset_index_insert(&index, &key, sizeof(key), key);
 		if (mode == 0) {
 			check_count++;
 		} else if (mode == 1 && (key & search_mask) == search_mask) {
@@ -184,19 +185,23 @@ void test_simple(int mode, size_t search_mask)
 	}
 
 	if (mode == 0) {
-		fail_unless(bitset_index_expr_all(&expr) == 0);
+		fail_unless(tt_bitset_index_expr_all(&expr) == 0);
 	} else if (mode == 1) {
-		fail_unless(bitset_index_expr_all_set(&expr,
-				&search_mask, sizeof(search_mask)) == 0);
+		fail_unless(tt_bitset_index_expr_all_set(&expr,
+							 &search_mask,
+							 sizeof(search_mask)) ==
+			    0);
 	} else if (mode == 2) {
-		fail_unless(bitset_index_expr_any_set(&expr,
-				&search_mask, sizeof(search_mask)) == 0);
+		fail_unless(tt_bitset_index_expr_any_set(&expr,
+							 &search_mask,
+							 sizeof(search_mask)) ==
+			    0);
 	}
-	fail_unless(bitset_index_init_iterator(&index, &it, &expr) == 0);
+	fail_unless(tt_bitset_index_init_iterator(&index, &it, &expr) == 0);
 
 	size_t found_count = 0;
 	for (size_t key = 0; key < NUMS_SIZE; key++) {
-		size_t r = bitset_iterator_next(&it);
+		size_t r = tt_bitset_iterator_next(&it);
 		if (mode == 0) {
 			fail_unless(key == r);
 			found_count++;
@@ -206,12 +211,12 @@ void test_simple(int mode, size_t search_mask)
 			found_count++;
 		}
 	}
-	fail_unless(bitset_iterator_next(&it) == SIZE_MAX);
+	fail_unless(tt_bitset_iterator_next(&it) == SIZE_MAX);
 	fail_unless(found_count == check_count);
 
-	bitset_expr_destroy(&expr);
-	bitset_iterator_destroy(&it);
-	bitset_index_destroy(&index);
+	tt_bitset_expr_destroy(&expr);
+	tt_bitset_iterator_destroy(&it);
+	tt_bitset_index_destroy(&index);
 }
 
 static void
@@ -253,32 +258,33 @@ void test_equals_simple(void)
 {
 	header();
 
-	struct bitset_index index;
-	bitset_index_create(&index, realloc);
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_index index;
+	tt_bitset_index_create(&index, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
 	size_t mask = ~((size_t ) 7);
 	for (size_t i = 0; i < NUMS_SIZE; i++) {
 		size_t key = i & mask;
 		size_t value = i;
-		bitset_index_insert(&index, &key, sizeof(key), value);
+		tt_bitset_index_insert(&index, &key, sizeof(key), value);
 	}
 
 	size_t key1 = (rand() % NUMS_SIZE) & mask;
-	fail_unless(bitset_index_expr_equals(&expr, &key1, sizeof(key1)) == 0);
-	fail_unless(bitset_index_init_iterator(&index, &it, &expr) == 0);
+	fail_unless(tt_bitset_index_expr_equals(&expr, &key1,
+						sizeof(key1)) == 0);
+	fail_unless(tt_bitset_index_init_iterator(&index, &it, &expr) == 0);
 
 	for (size_t i = key1; i <= (key1 + ~mask); i++) {
-		fail_unless(i == bitset_iterator_next(&it));
+		fail_unless(i == tt_bitset_iterator_next(&it));
 	}
-	fail_unless(bitset_iterator_next(&it) == SIZE_MAX);
+	fail_unless(tt_bitset_iterator_next(&it) == SIZE_MAX);
 
-	bitset_expr_destroy(&expr);
-	bitset_iterator_destroy(&it);
-	bitset_index_destroy(&index);
+	tt_bitset_expr_destroy(&expr);
+	tt_bitset_iterator_destroy(&it);
+	tt_bitset_index_destroy(&index);
 
 	footer();
 }
diff --git a/test/unit/bitset_iterator.c b/test/unit/bitset_iterator.c
index 5954570..3830fff 100644
--- a/test/unit/bitset_iterator.c
+++ b/test/unit/bitset_iterator.c
@@ -10,25 +10,25 @@
 enum { NUMS_SIZE = 1 << 16 };
 static size_t NUMS[NUMS_SIZE];
 
-static struct bitset **
+static struct tt_bitset **
 bitsets_create(size_t count)
 {
-	struct bitset **bitsets = malloc(count * sizeof(*bitsets));
+	struct tt_bitset **bitsets = malloc(count * sizeof(*bitsets));
 	fail_if(bitsets == NULL);
 	for (size_t i = 0; i < count; i++) {
-		bitsets[i] = malloc(sizeof(struct bitset));
+		bitsets[i] = malloc(sizeof(struct tt_bitset));
 		fail_if(bitsets[i] == NULL);
-		bitset_create(bitsets[i], realloc);
+		tt_bitset_create(bitsets[i], realloc);
 	}
 
 	return bitsets;
 }
 
 static void
-bitsets_destroy(struct bitset **bitsets, size_t count)
+bitsets_destroy(struct tt_bitset **bitsets, size_t count)
 {
 	for (size_t i = 0; i < count; i++) {
-		bitset_destroy(bitsets[i]);
+		tt_bitset_destroy(bitsets[i]);
 		free(bitsets[i]);
 	}
 
@@ -82,18 +82,18 @@ void test_empty_expr(void)
 {
 	header();
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
 
-	fail_unless(bitset_iterator_init(&it, &expr, NULL, 0) == 0);
-	bitset_expr_destroy(&expr);
+	fail_unless(tt_bitset_iterator_init(&it, &expr, NULL, 0) == 0);
+	tt_bitset_expr_destroy(&expr);
 
-	size_t pos = bitset_iterator_next(&it);
+	size_t pos = tt_bitset_iterator_next(&it);
 	fail_unless(pos == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	footer();
 }
@@ -103,20 +103,20 @@ void test_empty_expr_conj1(void)
 {
 	header();
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
 
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
 
-	fail_unless(bitset_iterator_init(&it, &expr, NULL, 0) == 0);
-	bitset_expr_destroy(&expr);
+	fail_unless(tt_bitset_iterator_init(&it, &expr, NULL, 0) == 0);
+	tt_bitset_expr_destroy(&expr);
 
-	size_t pos = bitset_iterator_next(&it);
+	size_t pos = tt_bitset_iterator_next(&it);
 	fail_unless(pos == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	footer();
 }
@@ -127,32 +127,32 @@ void test_empty_expr_conj2(void)
 	header();
 
 	size_t big_i = (size_t) 1 << 15;
-	struct bitset **bitsets = bitsets_create(2);
-	bitset_set(bitsets[0], 1);
-	bitset_set(bitsets[0], big_i);
+	struct tt_bitset **bitsets = bitsets_create(2);
+	tt_bitset_set(bitsets[0], 1);
+	tt_bitset_set(bitsets[0], big_i);
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
 
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
 
-	fail_unless(bitset_expr_add_param(&expr, 0, false) == 0);
-	fail_unless(bitset_expr_add_param(&expr, 1, true) == 0);
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 0, false) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 1, true) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
 
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
-	bitset_expr_destroy(&expr);
+	fail_unless(tt_bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
+	tt_bitset_expr_destroy(&expr);
 
-	fail_unless(bitset_iterator_next(&it) == 1);
-	fail_unless(bitset_iterator_next(&it) == big_i);
-	fail_unless(bitset_iterator_next(&it) == SIZE_MAX);
+	fail_unless(tt_bitset_iterator_next(&it) == 1);
+	fail_unless(tt_bitset_iterator_next(&it) == big_i);
+	fail_unless(tt_bitset_iterator_next(&it) == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 	bitsets_destroy(bitsets, 2);
 
 	footer();
@@ -163,40 +163,40 @@ void test_empty_result(void)
 {
 	header();
 
-	struct bitset **bitsets = bitsets_create(2);
+	struct tt_bitset **bitsets = bitsets_create(2);
 
-	bitset_set(bitsets[0], 1);
-	bitset_set(bitsets[0], 2);
-	bitset_set(bitsets[0], 3);
-	bitset_set(bitsets[0], 193);
-	bitset_set(bitsets[0], 1024);
+	tt_bitset_set(bitsets[0], 1);
+	tt_bitset_set(bitsets[0], 2);
+	tt_bitset_set(bitsets[0], 3);
+	tt_bitset_set(bitsets[0], 193);
+	tt_bitset_set(bitsets[0], 1024);
 
-	bitset_set(bitsets[0], 1025);
-	bitset_set(bitsets[0], 16384);
-	bitset_set(bitsets[0], 16385);
+	tt_bitset_set(bitsets[0], 1025);
+	tt_bitset_set(bitsets[0], 16384);
+	tt_bitset_set(bitsets[0], 16385);
 
-	bitset_set(bitsets[1], 17);
-	bitset_set(bitsets[1], 194);
-	bitset_set(bitsets[1], 1023);
+	tt_bitset_set(bitsets[1], 17);
+	tt_bitset_set(bitsets[1], 194);
+	tt_bitset_set(bitsets[1], 1023);
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
 
-	fail_unless(bitset_expr_add_param(&expr, 0, false) == 0);
-	fail_unless(bitset_expr_add_param(&expr, 1, false) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 0, false) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 1, false) == 0);
 
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
 
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
-	bitset_expr_destroy(&expr);
+	fail_unless(tt_bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
+	tt_bitset_expr_destroy(&expr);
 
-	size_t pos = bitset_iterator_next(&it);
+	size_t pos = tt_bitset_iterator_next(&it);
 	fail_unless(pos == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	bitsets_destroy(bitsets, 2);
 
@@ -208,33 +208,33 @@ void test_first_result(void)
 {
 	header();
 
-	struct bitset **bitsets = bitsets_create(2);
+	struct tt_bitset **bitsets = bitsets_create(2);
 
-	bitset_set(bitsets[0], 0);
-	bitset_set(bitsets[0], 1023);
+	tt_bitset_set(bitsets[0], 0);
+	tt_bitset_set(bitsets[0], 1023);
 
-	bitset_set(bitsets[1], 0);
-	bitset_set(bitsets[1], 1025);
+	tt_bitset_set(bitsets[1], 0);
+	tt_bitset_set(bitsets[1], 1025);
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
 
-	fail_unless(bitset_expr_add_param(&expr, 0, false) == 0);
-	fail_unless(bitset_expr_add_param(&expr, 1, false) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 0, false) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 1, false) == 0);
 
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
-	bitset_expr_destroy(&expr);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	fail_unless(tt_bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
+	tt_bitset_expr_destroy(&expr);
 
-	size_t pos = bitset_iterator_next(&it);
+	size_t pos = tt_bitset_iterator_next(&it);
 
 	fail_unless(pos == 0);
-	fail_unless(bitset_iterator_next(&it) == SIZE_MAX);
+	fail_unless(tt_bitset_iterator_next(&it) == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	bitsets_destroy(bitsets, 2);
 
@@ -248,42 +248,43 @@ void test_simple()
 
 	enum { BITSETS_SIZE = 32 };
 
-	struct bitset **bitsets = bitsets_create(BITSETS_SIZE);
+	struct tt_bitset **bitsets = bitsets_create(BITSETS_SIZE);
 
 	nums_shuffle(NUMS, NUMS_SIZE);
 
 	size_t NOISE_SIZE = NUMS_SIZE / 3;
 	for (size_t i = 0; i < NOISE_SIZE; i++) {
-		bitset_set(bitsets[i % BITSETS_SIZE], NUMS[i]);
+		tt_bitset_set(bitsets[i % BITSETS_SIZE], NUMS[i]);
 	}
 
 	for (size_t i = NOISE_SIZE; i < NUMS_SIZE; i++) {
 		for (size_t b = 0; b < BITSETS_SIZE; b++) {
-			bitset_set(bitsets[b], NUMS[i]);
+			tt_bitset_set(bitsets[b], NUMS[i]);
 		}
 	}
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
 
 	for (size_t b = 0; b < BITSETS_SIZE; b++) {
-		fail_unless(bitset_expr_add_param(&expr, b, false) == 0);
+		fail_unless(tt_bitset_expr_add_param(&expr, b, false) == 0);
 	}
 
 	nums_sort(NUMS + NOISE_SIZE, NUMS_SIZE - NOISE_SIZE);
 
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
-	bitset_expr_destroy(&expr);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	fail_unless(
+		tt_bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
+	tt_bitset_expr_destroy(&expr);
 
 	for (size_t i = NOISE_SIZE; i < NUMS_SIZE; i++) {
-		fail_unless(bitset_iterator_next(&it) == NUMS[i]);
+		fail_unless(tt_bitset_iterator_next(&it) == NUMS[i]);
 	}
-	fail_unless(bitset_iterator_next(&it) == SIZE_MAX);
+	fail_unless(tt_bitset_iterator_next(&it) == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 	bitsets_destroy(bitsets, BITSETS_SIZE);
 
 	footer();
@@ -294,38 +295,39 @@ void test_big() {
 	header();
 
 	const size_t BITSETS_SIZE = 32;
-	struct bitset **bitsets = bitsets_create(BITSETS_SIZE);
+	struct tt_bitset **bitsets = bitsets_create(BITSETS_SIZE);
 
 	nums_shuffle(NUMS, NUMS_SIZE);
 
 	printf("Setting bits... ");
 	for (size_t i = 0; i < NUMS_SIZE; i++) {
 		for (size_t b = 0; b < BITSETS_SIZE; b++) {
-			bitset_set(bitsets[b], NUMS[i]);
+			tt_bitset_set(bitsets[b], NUMS[i]);
 			if (b % 2 == 0 && i % 2 == 0)
 				continue;
 		}
 	}
 	printf("ok\n");
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
 	for(size_t b = 0; b < BITSETS_SIZE; b++) {
-		fail_unless(bitset_expr_add_param(&expr, b, false) == 0);
+		fail_unless(tt_bitset_expr_add_param(&expr, b, false) == 0);
 	}
 
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
-	bitset_expr_destroy(&expr);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	fail_unless(
+		tt_bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
+	tt_bitset_expr_destroy(&expr);
 
 	printf("Iterating... ");
 	size_t pos;
-	while ((pos = bitset_iterator_next(&it)) != SIZE_MAX) {
+	while ((pos = tt_bitset_iterator_next(&it)) != SIZE_MAX) {
 		size_t b;
 		for(b = 0; b < BITSETS_SIZE; b++) {
-			if(bitset_test(bitsets[b], pos))
+			if(tt_bitset_test(bitsets[b], pos))
 				continue;
 		}
 
@@ -333,7 +335,7 @@ void test_big() {
 	}
 	printf("ok\n");
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	bitsets_destroy(bitsets, BITSETS_SIZE);
 
@@ -344,43 +346,43 @@ static
 void test_not_last() {
 	header();
 
-	struct bitset **bitsets = bitsets_create(2);
+	struct tt_bitset **bitsets = bitsets_create(2);
 
 	size_t big_i = (size_t) 1 << 15;
 
-	bitset_set(bitsets[0], 0);
-	bitset_set(bitsets[0], 11);
-	bitset_set(bitsets[0], 1024);
+	tt_bitset_set(bitsets[0], 0);
+	tt_bitset_set(bitsets[0], 11);
+	tt_bitset_set(bitsets[0], 1024);
 
-	bitset_set(bitsets[1], 0);
-	bitset_set(bitsets[1], 10);
-	bitset_set(bitsets[1], 11);
-	bitset_set(bitsets[1], 14);
-	bitset_set(bitsets[1], big_i);
+	tt_bitset_set(bitsets[1], 0);
+	tt_bitset_set(bitsets[1], 10);
+	tt_bitset_set(bitsets[1], 11);
+	tt_bitset_set(bitsets[1], 14);
+	tt_bitset_set(bitsets[1], big_i);
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
-	fail_unless(bitset_expr_add_conj(&expr) == 0);
-	fail_unless(bitset_expr_add_param(&expr, 0, true) == 0);
-	fail_unless(bitset_expr_add_param(&expr, 1, false) == 0);
+	fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 0, true) == 0);
+	fail_unless(tt_bitset_expr_add_param(&expr, 1, false) == 0);
 
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
-	bitset_expr_destroy(&expr);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	fail_unless(tt_bitset_iterator_init(&it, &expr, bitsets, 2) == 0);
+	tt_bitset_expr_destroy(&expr);
 
 	size_t result[] = {10, 14, big_i};
 	size_t result_size = 3;
 
 	size_t pos;
 	for (size_t i = 0; i < result_size; i++) {
-		pos = bitset_iterator_next(&it);
+		pos = tt_bitset_iterator_next(&it);
 		fail_unless (result[i] == pos);
 	}
-	fail_unless ((pos = bitset_iterator_next(&it)) == SIZE_MAX);
+	fail_unless ((pos = tt_bitset_iterator_next(&it)) == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	bitsets_destroy(bitsets, 2);
 
@@ -396,33 +398,34 @@ void test_not_empty() {
 		CHECK_COUNT = (size_t) 1 << 14
 	};
 
-	struct bitset **bitsets = bitsets_create(BITSETS_SIZE);
+	struct tt_bitset **bitsets = bitsets_create(BITSETS_SIZE);
 
 	nums_shuffle(NUMS, NUMS_SIZE);
 	for (size_t i = 0; i < NUMS_SIZE; i++) {
-		bitset_set(bitsets[i % BITSETS_SIZE], NUMS[i]);
+		tt_bitset_set(bitsets[i % BITSETS_SIZE], NUMS[i]);
 	}
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
 	for(size_t b = 0; b < BITSETS_SIZE; b++) {
-		fail_unless(bitset_expr_add_conj(&expr) == 0);
-		fail_unless(bitset_expr_add_param(&expr, b, true) == 0);
+		fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
+		fail_unless(tt_bitset_expr_add_param(&expr, b, true) == 0);
 	}
 
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
-	bitset_expr_destroy(&expr);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	fail_unless(
+		tt_bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
+	tt_bitset_expr_destroy(&expr);
 
 
 	for (size_t i = 0; i < CHECK_COUNT; i++) {
-		size_t pos = bitset_iterator_next(&it);
+		size_t pos = tt_bitset_iterator_next(&it);
 		fail_unless (i == pos);
 	}
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	bitsets_destroy(bitsets, BITSETS_SIZE);
 
@@ -436,38 +439,39 @@ void test_disjunction()
 
 	enum { BITSETS_SIZE = 32 };
 
-	struct bitset **bitsets = bitsets_create(BITSETS_SIZE);
+	struct tt_bitset **bitsets = bitsets_create(BITSETS_SIZE);
 
 	nums_shuffle(NUMS, NUMS_SIZE);
 
 	for (size_t i = 0; i < NUMS_SIZE; i++) {
-		bitset_set(bitsets[i % BITSETS_SIZE], NUMS[i]);
+		tt_bitset_set(bitsets[i % BITSETS_SIZE], NUMS[i]);
 	}
 
-	struct bitset_expr expr;
-	bitset_expr_create(&expr, realloc);
+	struct tt_bitset_expr expr;
+	tt_bitset_expr_create(&expr, realloc);
 
 	for (size_t b = 0; b < BITSETS_SIZE; b++) {
-		fail_unless(bitset_expr_add_conj(&expr) == 0);
-		fail_unless(bitset_expr_add_param(&expr, b, false) == 0);
+		fail_unless(tt_bitset_expr_add_conj(&expr) == 0);
+		fail_unless(tt_bitset_expr_add_param(&expr, b, false) == 0);
 	}
 
 	nums_sort(NUMS, NUMS_SIZE);
 
-	struct bitset_iterator it;
-	bitset_iterator_create(&it, realloc);
-	fail_unless(bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
-	bitset_expr_destroy(&expr);
+	struct tt_bitset_iterator it;
+	tt_bitset_iterator_create(&it, realloc);
+	fail_unless(
+		tt_bitset_iterator_init(&it, &expr, bitsets, BITSETS_SIZE) == 0);
+	tt_bitset_expr_destroy(&expr);
 
 	for (size_t i = 0; i < NUMS_SIZE; i++) {
-		size_t pos = bitset_iterator_next(&it);
+		size_t pos = tt_bitset_iterator_next(&it);
 		fail_unless(pos == NUMS[i]);
 	}
 
-	size_t pos = bitset_iterator_next(&it);
+	size_t pos = tt_bitset_iterator_next(&it);
 	fail_unless(pos == SIZE_MAX);
 
-	bitset_iterator_destroy(&it);
+	tt_bitset_iterator_destroy(&it);
 
 	bitsets_destroy(bitsets, BITSETS_SIZE);
 
-- 
2.7.4





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