Section: POSIX Programmer's Manual (3P)
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
the corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
--- get the date and time
int gettimeofday(struct timeval *restrict tp, void *restrict tzp);
function shall obtain the current time, expressed as seconds and
microseconds since the Epoch, and store it in the
structure pointed to by
The resolution of the system clock is unspecified.
is not a null pointer, the behavior is unspecified.
function shall return 0 and no value shall be reserved to indicate
No errors are defined.
The following sections are informative.
Applications should use the
function instead of the obsolescent
function may be removed in a future version.
The Base Definitions volume of POSIX.1-2008,
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group.
(This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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
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