gen/timezone.3

   1 .\" Copyright (c) 1991, 1993
   2 .\"     The Regents of the University of California.  All rights reserved.
   3 .\"
   4 .\" Redistribution and use in source and binary forms, with or without
   5 .\" modification, are permitted provided that the following conditions
   6 .\" are met:
   7 .\" 1. Redistributions of source code must retain the above copyright
   8 .\"    notice, this list of conditions and the following disclaimer.
   9 .\" 2. Redistributions in binary form must reproduce the above copyright
  10 .\"    notice, this list of conditions and the following disclaimer in the
  11 .\"    documentation and/or other materials provided with the distribution.
  12 .\" 3. All advertising materials mentioning features or use of this software
  13 .\"    must display the following acknowledgement:
  14 .\"     This product includes software developed by the University of
  15 .\"     California, Berkeley and its contributors.
  16 .\" 4. Neither the name of the University nor the names of its contributors
  17 .\"    may be used to endorse or promote products derived from this software
  18 .\"    without specific prior written permission.
  19 .\"
  20 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30 .\" SUCH DAMAGE.
  31 .\"
  32 .\"     @(#)timezone.3  8.2 (Berkeley) 4/19/94
  33 .\" $FreeBSD: src/lib/libc/gen/timezone.3,v 1.7 2000/11/10 17:44:58 ru Exp $
  34 .\"
  35 .Dd April 19, 1994
  36 .Dt TIMEZONE 3
  37 .Os
  38 .Sh NAME
  39 .Nm timezone
  40 .Nd return the timezone abbreviation
  41 .Sh LIBRARY
  42 .Lb libc
  43 .Sh SYNOPSIS
  44 .Ft char *
  45 .Fn timezone "int zone" "int dst"
  46 .Sh DESCRIPTION
  47 .Bf Sy
  48 This interface is for compatibility only; it is impossible to reliably
  49 map timezone's arguments to a time zone abbreviation.
  50 See
  51 .Xr ctime 3 .
  52 .Ef
  53 .Pp
  54 The
  55 .Fn timezone
  56 function returns a pointer to a time zone abbreviation for the specified
  57 .Ar zone
  58 and
  59 .Ar dst
  60 values.
  61 .Ar Zone
  62 is the number of minutes west of GMT and
  63 .Ar dst
  64 is non-zero if daylight savings time is in effect.
  65 .Sh SEE ALSO
  66 .Xr ctime 3
  67 .Sh HISTORY
  68 A
  69 .Fn timezone
  70 function appeared in
  71 .At v7 .