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uuid_unparse(3) — Linux manual page

UUID_UNPARSE(3)             Programmers ManualUUID_UNPARSE(3)

NAME        top

       uuid_unparse - convert a UUID from binary representation to a       string

SYNOPSIS        top

#include <uuid.h>void uuid_unparse(const uuid_tuu, char *out);void uuid_unparse_upper(const uuid_tuu, char *out);void uuid_unparse_lower(const uuid_tuu, char *out);

DESCRIPTION        top

       Theuuid_unparse() function converts the supplied UUIDuu from the       binary representation into a 36-byte string (plus trailing '\0')       of the form 1b4e28ba-2fa1-11d2-883f-0016d3cca427 and stores this       value in the character string pointed to byout. The case of the       hex digits returned byuuid_unparse() may be upper or lower case,       and is dependent on the system-dependent local default.       If the case of the hex digits is important then the functionsuuid_unparse_upper() anduuid_unparse_lower() may be used.

CONFORMING TO        top

       This library unparses UUIDs compatible with OSF DCE 1.1.

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_is_null(3),uuid_parse(3)

REPORTING BUGS        top

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

AVAILABILITY        top

       Thelibuuidlibrary 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 theutil-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       2025-08-11. (At that time, the date of the most recent commit that       was found in the repository was 2025-08-05.) 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 isnot part of the original manual page), send a       mail to man-pages@man7.orgutil-linux 2.42-start-521-ec46  2025-08-09UUID_UNPARSE(3)

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

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