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70 lines
2.3 KiB
Groff
70 lines
2.3 KiB
Groff
.\" Copyright (c) 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)timezone.3 8.2 (Berkeley) 4/19/94
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.\" $FreeBSD$
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.\"
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.Dd April 19, 1994
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.Dt TIMEZONE 3
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.Os
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.Sh NAME
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.Nm timezone
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.Nd return the timezone abbreviation
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.Ft char *
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.Fn timezone "int zone" "int dst"
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.Sh DESCRIPTION
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.Bf Sy
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This interface is for compatibility only; it is impossible to reliably
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map timezone's arguments to a time zone abbreviation.
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See
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.Xr ctime 3 .
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.Ef
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.Pp
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The
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.Fn timezone
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function returns a pointer to a time zone abbreviation for the specified
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.Fa zone
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and
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.Fa dst
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values.
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The
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.Fa zone
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argument
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is the number of minutes west of GMT and
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.Fa dst
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is non-zero if daylight savings time is in effect.
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.Sh SEE ALSO
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.Xr ctime 3
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.Sh HISTORY
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A
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.Fn timezone
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function appeared in
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.At v7 .
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