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by Francesco Paolo Lovergine
rules: linking manpages-posix not manpages. |
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.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved |
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by Francesco Paolo Lovergine
* Alligned to linux main manpages edition. |
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.TH "GETTIMEOFDAY" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" |
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by Francesco Paolo Lovergine
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.\" gettimeofday |
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.SH NAME |
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gettimeofday \- get the date and time
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.SH SYNOPSIS |
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.LP
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\fB#include <sys/time.h>
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.br
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.sp
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int gettimeofday(struct timeval *restrict\fP \fItp\fP\fB, void *restrict\fP |
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\fItzp\fP\fB); \fP |
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\fB
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.br
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\fP
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.SH DESCRIPTION |
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.LP
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The \fIgettimeofday\fP() function shall obtain the current time, expressed |
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as seconds and microseconds since the Epoch, and |
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store it in the \fBtimeval\fP structure pointed to by \fItp\fP. The |
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resolution of the system clock is unspecified. |
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.LP
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If \fItzp\fP is not a null pointer, the behavior is unspecified. |
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.SH RETURN VALUE |
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.LP
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The \fIgettimeofday\fP() function shall return 0 and no value shall |
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be reserved to indicate an error. |
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.SH ERRORS |
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.LP
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No errors are defined. |
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.LP
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\fIThe following sections are informative.\fP |
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.SH EXAMPLES |
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.LP
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None. |
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.SH APPLICATION USAGE |
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.LP
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None. |
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.SH RATIONALE |
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.LP
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None. |
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.SH FUTURE DIRECTIONS |
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.LP
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None. |
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.SH SEE ALSO |
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.LP
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\fIctime\fP() , \fIftime\fP() , the Base Definitions volume of |
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IEEE\ Std\ 1003.1-2001, \fI<sys/time.h>\fP |
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.SH COPYRIGHT |
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Portions of this text are reprinted and reproduced in electronic form |
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology |
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-- Portable Operating System Interface (POSIX), The Open Group Base |
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of |
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Electrical and Electronics Engineers, Inc and The Open Group. In the |
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event of any discrepancy between this version and the original IEEE and |
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The Open Group Standard, the original IEEE and The Open Group Standard |
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is the referee document. The original Standard can be obtained online at |
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http://www.opengroup.org/unix/online.html . |