UUID_COPY(3) Programmers Manual UUID_COPY(3) NAME uuid_copy - copy a UUID value SYNOPSIS #include void uuid_copy(uuid_t dst, const uuid_t src); DESCRIPTION The uuid_copy() function copies the UUID variable src to dst. RETURN VALUE The copied UUID is returned in the location pointed to by dst. AUTHORS Theodore Y. Ts'o SEE ALSO uuid(3), uuid_clear(3), uuid_compare(3), uuid_generate(3), uuid_is_null(3), uuid_parse(3), uuid_unparse(3) REPORTING BUGS For bug reports, use the issue tracker . AVAILABILITY The libuuid library is part of the util-linux package since version 2.15.1. It can be downloaded from Linux Kernel Archive . util-linux 2.42.3 2026-09-02 UUID_COPY(3)