+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_stream_file_name(char *path, const char *path_name,
+ const char *file_name, uint64_t size, uint64_t count,
+ const char *suffix);