#include <uuid/uuid.h>
void uuid_clear(uuid_t uu);
The uuid_clear function sets the value of the supplied uuid variable uu
to the NULL value.
Theodore Y. Ts'o
http://e2fsprogs.sourceforge.net/
uuid(3), uuid_compare(3), uuid_copy(3), uuid_generate(3),
uuid_is_null(3), uuid_parse(3), uuid_unparse(3)
E2fsprogs version 1.40.3 December 2007 UUID_CLEAR(3)