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'\" t
.\" Title: uuid_is_null
.\" Author: [see the "AUTHOR(S)" section]
.\" Generator: Asciidoctor 2.0.20
.\" Date: 2024-05-01
.\" Manual: Programmer's Manual
.\" Source: util-linux 2.40.1
.\" Language: English
.\"
.TH "UUID_IS_NULL" "3" "2024-05-01" "util\-linux 2.40.1" "Programmer\*(Aqs Manual"
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.SH "NAME"
uuid_is_null \- compare the value of the UUID to the NULL value
.SH "SYNOPSIS"
.sp
\fB#include <uuid.h>\fP
.sp
\fBint uuid_is_null(const uuid_t \fIuu\fP);\fP
.SH "DESCRIPTION"
.sp
The \fBuuid_is_null\fP() function compares the value of the supplied UUID variable \fIuu\fP to the NULL value. If the value is equal to the NULL UUID, 1 is returned, otherwise 0 is returned.
.SH "AUTHORS"
.sp
Theodore Y. Ts\(cqo
.SH "SEE ALSO"
.sp
\fBuuid\fP(3),
\fBuuid_clear\fP(3),
\fBuuid_compare\fP(3),
\fBuuid_copy\fP(3),
\fBuuid_generate\fP(3),
\fBuuid_time\fP(3),
\fBuuid_parse\fP(3),
\fBuuid_unparse\fP(3)
.SH "REPORTING BUGS"
.sp
For bug reports, use the issue tracker at \c
.URL "https://github.com/util\-linux/util\-linux/issues" "" "."
.SH "AVAILABILITY"
.sp
The \fBlibuuid\fP library is part of the util\-linux package since version 2.15.1. It can be downloaded from \c
.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "."
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