uuid_time(3) - phpMan

UUID_TIME(3)                               Libuuid API                               UUID_TIME(3)



NAME
       uuid_time - extract the time at which the UUID was created

SYNOPSIS
       #include <uuid.h>

       time_t uuid_time(uuid_t uu, struct timeval *ret_tv)

DESCRIPTION
       The uuid_time function extracts the time at which the supplied time-based UUID uu was cre-
       ated.  Note that the UUID creation time is only encoded within  certain  types  of  UUIDs.
       This  function  can  only reasonably expect to extract the creation time for UUIDs created
       with the uuid_generate_time(3) and uuid_generate_time_safe(3) functions.  It  may  or  may
       not work with UUIDs created by other mechanisms.

RETURN VALUES
       The  time at which the UUID was created, in seconds since January 1, 1970 GMT (the epoch),
       is returned (see time(2)).  The time at  which  the  UUID  was  created,  in  seconds  and
       microseconds  since  the  epoch,  is also stored in the location pointed to by ret_tv (see
       gettimeofday(2)).

AUTHOR
       Theodore Y. Ts'o

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

SEE ALSO
       uuid(3),  uuid_clear(3), uuid_compare(3), uuid_copy(3), uuid_generate(3), uuid_is_null(3),
       uuid_parse(3), uuid_unparse(3)



util-linux                                   May 2009                                UUID_TIME(3)

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