uuid_is_null(3) — Linux manual page

NAME | SYNOPSIS | DESCRIPTION | AUTHORS | SEE ALSO | REPORTING BUGS | AVAILABILITY

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

NAME         top

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

SYNOPSIS         top

       #include <uuid.h>

       int uuid_is_null(uuid_t uu);

DESCRIPTION         top

       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         top

       Theodore Y. Ts’o

SEE ALSO         top

       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         top

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

AVAILABILITY         top

       The libuuid library is part of the util-linux package since
       version 2.15.1. It can be downloaded from Linux Kernel Archive
       <https://www.kernel.org/pub/linux/utils/util-linux/>. This page
       is part of the util-linux (a random collection of Linux
       utilities) project. Information about the project can be found at
       ⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have
       a bug report for this manual page, send it to
       util-linux@vger.kernel.org. This page was obtained from the
       project's upstream Git repository
       ⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
       2021-06-20. (At that time, the date of the most recent commit
       that was found in the repository was 2021-06-18.) If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page,
       or you have corrections or improvements to the information in
       this COLOPHON (which is not part of the original manual page),
       send a mail to man-pages@man7.org

util-linux 2.37.85-637cc       2021-04-02                UUID_IS_NULL(3)

Pages that refer to this page: uuid(3)uuid_clear(3)uuid_compare(3)uuid_copy(3)uuid_generate(3)uuid_parse(3)uuid_time(3)uuid_unparse(3)