uuid_is_null - Man Page

compare the value of the UUID to the NULL value

Synopsis

#include <uuid.h>

int uuid_is_null(uuid_t uu);

Description

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.

Authors

Theodore Y. Ts’o

See Also

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

Reporting Bugs

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

Availability

The libuuid library is part of the util-linux package since version 2.15.1. It can be downloaded from Linux Kernel Archive.

Referenced By

uuid(3), uuid_clear(3), uuid_compare(3), uuid_copy(3), uuid_generate(3), uuid_parse(3), uuid_time(3), uuid_unparse(3).

2022-05-11 util-linux 2.38.1 Programmer's Manual