-int utils_mkdir_recursive(const char *path, mode_t mode);
-int utils_create_stream_file(char *path_name, char *file_name, uint64_t size,
- uint64_t count, int uid, int gid);
+int utils_mkdir(const char *path, mode_t mode, int uid, int gid);
+int utils_mkdir_recursive(const char *path, mode_t mode, int uid, int gid);
+int utils_create_stream_file(const char *path_name, char *file_name, uint64_t size,
+ uint64_t count, int uid, int gid, char *suffix);
+int utils_unlink_stream_file(const char *path_name, char *file_name, uint64_t size,
+ uint64_t count, int uid, int gid, char *suffix);