extern void _mesa_DeleteHashTable(struct _mesa_HashTable *table);
-extern void *_mesa_HashLookup(const struct _mesa_HashTable *table, GLuint key);
+extern void *_mesa_HashLookup(struct _mesa_HashTable *table, GLuint key);
extern void _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data);
extern GLuint _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys);
+extern GLuint
+_mesa_HashNumEntries(const struct _mesa_HashTable *table);
+
extern void _mesa_test_hash_functions(void);