2 .\" Copyright (c) 1994, 1995 Joerg Wunsch
4 .\" All rights reserved.
6 .\" This program is free software.
8 .\" Redistribution and use in source and binary forms, with or without
9 .\" modification, are permitted provided that the following conditions
11 .\" 1. Redistributions of source code must retain the above copyright
12 .\" notice, this list of conditions and the following disclaimer.
13 .\" 2. Redistributions in binary form must reproduce the above copyright
14 .\" notice, this list of conditions and the following disclaimer in the
15 .\" documentation and/or other materials provided with the distribution.
16 .\" 3. All advertising materials mentioning features or use of this software
17 .\" must display the following acknowledgement:
18 .\" This product includes software developed by Joerg Wunsch
19 .\" 4. The name of the developer may not be used to endorse or promote
20 .\" products derived from this software without specific prior written
23 .\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
24 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 .\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 .\" $FreeBSD: src/lib/libcompat/4.1/cftime.3,v 1.6.2.4 2001/12/17 10:08:28 ru Exp $
36 .\" $DragonFly: src/lib/libcompat/4.1/cftime.3,v 1.2 2003/06/17 04:26:48 dillon Exp $
44 .Nd convert date and time to string
50 .Fn cftime "char *s" "char *format" "const time_t *clock"
52 .Fn ascftime "char *s" "const char *format" "const struct tm *tmptr"
59 functions are made obsolete by
67 is strongly deprecated, since there is no way to check for a buffer
74 is almost identical with
76 with the only exception there's no parameter to tell about the
77 maximal buffer length, and the
86 does the same job, but it first invokes
88 in order to convert the given
90 then also performs the conversions as requested by the
98 functions return the number of characters written to the output
101 not counting the trailing null character.