ftime

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

NAME
       ftime - return date and time

SYNOPSIS
       #include <sys/timeb.h>

       int ftime(struct timeb *tp);

DESCRIPTION
       NOTE: This function is deprecated, and will be removed in a future ver-
       sion of the GNU C library.  Use clock_gettime(2) instead.

       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 follows:

           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  milliseconds since time seconds since the Epoch.  The time-
       zone field is the local timezone measured 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
       Saving 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.

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

ATTRIBUTES
       For  an  explanation  of  the  terms  used  in  this  section,  see at-
       tributes(7).

       +----------+---------------+---------+
       |Interface | Attribute     | Value   |
       +----------+---------------+---------+
       |ftime()   | Thread safety | MT-Safe |
       +----------+---------------+---------+
CONFORMING TO
       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       This  function is obsolete.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 suf-
       fices,  time(2)  can  be  used;  gettimeofday(2)  gives   microseconds;
       clock_gettime(2) gives nanoseconds but is not as widely available.

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

SEE ALSO
       gettimeofday(2), time(2)

COLOPHON
       This page is part of release 5.05 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
       https://www.kernel.org/doc/man-pages/.

GNU                               2020-02-09                          FTIME(3)