'\"macro stdmacro
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.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.