GETTIMEOFDAY(3P)                                    POSIX Programmer's Manual                                   GETTIMEOFDAY(3P)



PROLOG
       This  manual  page is part of the POSIX Programmer's Manual.  The Linux implementation of this interface may differ (con-
       sult the corresponding Linux manual page for details of Linux behavior), or the  interface  may  not  be  implemented  on
       Linux.

NAME
       gettimeofday - get the date and time

SYNOPSIS
       #include <sys/time.h>

       int gettimeofday(struct timeval *restrict tp, void *restrict tzp);


DESCRIPTION
       The  gettimeofday()  function  shall  obtain the current time, expressed as seconds and microseconds since the Epoch, and
       store it in the timeval structure pointed to by tp. The resolution of the system clock is unspecified.

       If tzp is not a null pointer, the behavior is unspecified.

RETURN VALUE
       The gettimeofday() function shall return 0 and no value shall be reserved to indicate an error.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       ctime(), ftime(), the Base Definitions volume of IEEE Std 1003.1-2001, <sys/time.h>

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003  Edition,  Standard  for
       Information  Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copy-
       right (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any
       discrepancy  between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group
       Standard  is  the  referee   document.   The   original   Standard   can   be   obtained   online   at   http://www.open-
       group.org/unix/online.html .



IEEE/The Open Group                                           2003                                              GETTIMEOFDAY(3P)