UUID_IS_NULL(3)            <?><?><?><?><?> <?><?><?>           UUID_IS_NULL(3)

<?><?>
       uuid_is_null - compare the value of the UUID to the NULL value

<?><?>
       #include <uuid.h>

       int uuid_is_null(const uuid_t uu);

<?><?>
       The uuid_is_null() function compares the value of the supplied UUID
       variable uu to the NULL value. If the value is equal to the NULL UUID,
       1 is returned, otherwise 0 is returned.

<?><?><?>
       Theodore Y. Ts'o

<?><?> <?><?>
       uuid(3), uuid_clear(3), uuid_compare(3), uuid_copy(3),
       uuid_generate(3), uuid_time(3), uuid_parse(3), uuid_unparse(3)

<?><?> <?><?>
       For bug reports, use the issue tracker
       <https://github.com/util-linux/util-linux/issues>.

<?><?><?>
       libuuid <?><?><?><?><?><?> 2.15.1 <?><?><?><?> util-linux <?><?><?><?>
       <?><?><?><?><?>. Linux Kernel Archive
       <https://www.kernel.org/pub/linux/utils/util-linux/><?><?>
       <?><?><?><?><?> <?> <?><?><?><?>.

util-linux 2.41                   2025-03-29                   UUID_IS_NULL(3)