Originální popis anglicky:
gettimeofday - get the date and time
Návod, kniha: POSIX Programmer's Manual
#include <sys/time.h>
int gettimeofday(struct timeval *restrict
tp, void
*restrict tzp);
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.
The
gettimeofday() function shall return 0 and no value shall be reserved
to indicate an error.
No errors are defined.
The following sections are informative.
None.
None.
None.
None.
ctime() ,
ftime() , the Base Definitions volume of
IEEE Std 1003.1-2001,
<sys/time.h>
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, Copyright (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.opengroup.org/unix/online.html
.