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Diffstat (limited to 'lib/libc/gen/time.3')
-rw-r--r-- | lib/libc/gen/time.3 | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/lib/libc/gen/time.3 b/lib/libc/gen/time.3 new file mode 100644 index 0000000..71c1982 --- /dev/null +++ b/lib/libc/gen/time.3 @@ -0,0 +1,86 @@ +.\" Copyright (c) 1989, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the American National Standards Committee X3, on Information +.\" Processing Systems. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)time.3 8.1 (Berkeley) 6/4/93 +.\" $FreeBSD$ +.\" +.Dd June 4, 1993 +.Dt TIME 3 +.Os BSD 4 +.Sh NAME +.Nm time +.Nd get time of day +.Sh SYNOPSIS +.Fd #include <time.h> +.Ft time_t +.Fn time "time_t *tloc" +.Sh DESCRIPTION +The +.Fn time +function +returns the value of time in seconds since 0 hours, 0 minutes, +0 seconds, January 1, 1970, Coordinated Universal Time. +.Pp +A copy of the time value may be saved to the area indicated by the +pointer +.Fa tloc . +If +.Fa tloc +is a NULL pointer, no value is stored. +.Pp +Upon successful completion, +.Fn time +returns the value of time. +Otherwise a value of +.Po +.Po Fa time_t Pc \-1 +.Pc +is returned and the global variable +.Va errno +is set to indicate the error. +.Sh ERRORS +The following error codes may be set in +.Va errno : +.Bl -tag -width [EFAULT] +.It Bq Er EFAULT +An argument address referenced invalid memory. +.Sh SEE ALSO +.Xr gettimeofday 2 , +.Xr ctime 3 +.Sh HISTORY +A +.Fn time +function appeared in +.At v6 . |