uuid_is_null(3) — Linux manual page

NAME | SYNOPSIS | DESCRIPTION | AUTHORS | SEE ALSO | AVAILABILITY | COLOPHON

UUID_IS_NULL(3)                Libuuid API               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)

AVAILABILITY         top

       libuuid is part of the util-linux package since version 2.15.1
       and is available from
       https://www.kernel.org/pub/linux/utils/util-linux/.

COLOPHON         top

       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
       2021-03-21.  (At that time, the date of the most recent commit
       that was found in the repository was 2021-03-19.)  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                      May 2009                 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)