util-linux (2.39)
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VersionsUUID_IS_NULL(3) Programmers Manual UUID_IS_NULL(3)
NAME
uuid_is_null - 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 [34mhttps://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 [34mLinux
[34mKernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.
util-linux 2.39 2022-05-11 UUID_IS_NULL(3)
NAME
uuid_is_null - 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 [34mhttps://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 [34mLinux
[34mKernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.
util-linux 2.39 2022-05-11 UUID_IS_NULL(3)