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64 lines
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64 lines
2.0 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "GETTIMEOFDAY" 3P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" gettimeofday
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.SH PROLOG
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This manual page is part of the POSIX Programmer's Manual.
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The Linux implementation of this interface may differ (consult
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the corresponding Linux manual page for details of Linux behavior),
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or the interface may not be implemented on Linux.
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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 .
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