+
+bool
+_mesa_hash_table_init(struct hash_table *ht,
+ void *mem_ctx,
+ uint32_t (*key_hash_function)(const void *key),
+ bool (*key_equals_function)(const void *a,
+ const void *b));
+
+struct hash_table *
+_mesa_hash_table_clone(struct hash_table *src, void *dst_mem_ctx);