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FTIME(3)                            Linux Programmer's Manual                            FTIME(3)

       ftime - return date and time

       #include <sys/timeb.h>

       int ftime(struct timeb *tp);

       This  function  returns  the  current  time  as  seconds and milliseconds since the Epoch,
       1970-01-01 00:00:00 +0000 (UTC).  The time is returned in tp, which is  declared  as  fol‐

           struct timeb {
               time_t         time;
               unsigned short millitm;
               short          timezone;
               short          dstflag;

       Here time is the number of seconds since the Epoch, and millitm is the number of millisec‐
       onds since time seconds since the Epoch.  The timezone field is the  local  timezone  mea‐
       sured  in minutes of time west of Greenwich (with a negative value indicating minutes east
       of Greenwich).  The dstflag field is a flag that, if nonzero, indicates that Daylight Sav‐
       ing time applies locally during the appropriate part of the year.

       POSIX.1-2001  says  that  the contents of the timezone and dstflag fields are unspecified;
       avoid relying on them.

       This function always returns 0.  (POSIX.1-2001 specifies, and some systems document, a  -1
       error return.)

   Multithreading (see pthreads(7))
       The ftime() function is thread-safe.

       4.2BSD, POSIX.1-2001.  POSIX.1-2008 removes the specification of ftime().

       This function is obsolete.  Don't use it.  If the time in seconds suffices, time(2) can be
       used; gettimeofday(2) gives microseconds; clock_gettime(2) gives nanoseconds but is not as
       widely available.

       Early glibc2 is buggy and returns 0 in the millitm field; glibc 2.1.1 is correct again.

       gettimeofday(2), time(2)

       This  page  is  part of release 3.74 of the Linux man-pages project.  A description of the
       project, information about reporting bugs, and the latest version of  this  page,  can  be
       found at http://www.kernel.org/doc/man-pages/.

GNU                                         2014-08-19                                   FTIME(3)

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