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+'\"macro stdmacro
+.\"
+.\" Copyright (c) 2000-2004 Silicon Graphics, Inc.  All Rights Reserved.
+.\" 
+.\" This program is free software; you can redistribute it and/or modify it
+.\" under the terms of the GNU General Public License as published by the
+.\" Free Software Foundation; either version 2 of the License, or (at your
+.\" option) any later version.
+.\" 
+.\" This program is distributed in the hope that it will be useful, but
+.\" WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+.\" or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+.\" for more details.
+.\" 
+.\"
+.TH PMUSEZONE 3 "PCP" "Performance Co-Pilot"
+.SH NAME
+\f3pmUseZone\f1 \- re-establish a reporting timezone
+.SH "C SYNOPSIS"
+.ft 3
+#include <pcp/pmapi.h>
+.sp
+int pmUseZone(const int \fItz_handle\fP);
+.sp
+cc ... \-lpcp
+.ft 1
+.SH DESCRIPTION
+The current reporting timezone effects the timezone used by
+.BR pmCtime (3)
+and
+.BR pmLocaltime (3).
+.PP
+The argument
+.I tz_handle
+identifies a reporting timezone as previously established by
+a call to
+.BR pmNewZone (3)
+or
+.BR pmNewContextZone (3),
+and this becomes
+the current reporting timezone.
+.SH SEE ALSO
+.BR PMAPI (3),
+.BR pmCtime (3),
+.BR pmLocaltime (3),
+.BR pmNewContextZone (3),
+.BR pmNewZone (3)
+and
+.BR pmWhichZone (3).
+.SH DIAGNOSTICS
+A return value less than zero indicates the value of
+.I tz_handle
+is not legal.