UUID_UNPARSE(3) uuid_unparse - #include void uuid_unparse(uuid_t uu, char *out); + void uuid_unparse_upper(uuid_t uu, char *out); + void uuid_unparse_lower(uuid_t uu, char *out); uuid_unparse() uu 36- ( ,,\0") 1b4e28ba-2fa1-11d2-883f-0016d3cca427 out. uuid_unparse() , . uuid_unparse_upper() uuid_unparse_lower(). - OSF DCE 1.1. Theodore Y. Ts'o uuid(3), uuid_clear(3), uuid_compare(3), uuid_copy(3), uuid_generate(3), uuid_time(3), uuid_is_null(3), uuid_parse(3) For bug reports, use the issue tracker . libuuid ,,util-linux" 2.15.1. . util-linux 2.41 2025-03-29 UUID_UNPARSE(3)