freebsd-dev/lib/libc/gen/timezone.3

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.\" Copyright (c) 1991, 1993
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.\" @(#)timezone.3 8.2 (Berkeley) 4/19/94
1999-08-28 00:22:10 +00:00
.\" $FreeBSD$
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.\"
.Dd April 19, 1994
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.Dt TIMEZONE 3
.Os
.Sh NAME
.Nm timezone
.Nd return the timezone abbreviation
.Sh LIBRARY
.Lb libc
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.Sh SYNOPSIS
.Ft char *
.Fn timezone "int zone" "int dst"
.Sh DESCRIPTION
.Bf Sy
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This interface is for compatibility only; it is impossible to reliably
map timezone's arguments to a time zone abbreviation.
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See
.Xr ctime 3 .
.Ef
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.Pp
The
.Fn timezone
function returns a pointer to a time zone abbreviation for the specified
.Fa zone
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and
.Fa dst
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values.
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The
.Fa zone
argument
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is the number of minutes west of GMT and
.Fa dst
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is non-zero if daylight savings time is in effect.
.Sh SEE ALSO
.Xr ctime 3
.Sh HISTORY
A
.Fn timezone
function appeared in
.At v7 .