1UUID_IS_NULL(3)               Programmer's Manual              UUID_IS_NULL(3)
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NAME

6       uuid_is_null - compare the value of the UUID to the NULL value
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SYNOPSIS

9       #include <uuid.h>
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11       int uuid_is_null(uuid_t uu);
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DESCRIPTION

14       The uuid_is_null() function compares the value of the supplied UUID
15       variable uu to the NULL value. If the value is equal to the NULL UUID,
16       1 is returned, otherwise 0 is returned.
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AUTHORS

19       Theodore Y. Ts’o
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SEE ALSO

22       uuid(3), uuid_clear(3), uuid_compare(3), uuid_copy(3),
23       uuid_generate(3), uuid_time(3), uuid_parse(3), uuid_unparse(3)
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REPORTING BUGS

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

30       The libuuid library is part of the util-linux package since version
31       2.15.1. It can be downloaded from Linux Kernel Archive
32       <https://www.kernel.org/pub/linux/utils/util-linux/>.
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36util-linux 2.38                   2022-01-06                   UUID_IS_NULL(3)