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'\"macro stdmacro
.\"
.\" Copyright (c) 2009 Ken McDonell. 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 PMDERIVEDERRSTR 3 "" "Performance Co-Pilot"
.SH NAME
\f3pmDerivedErrStr\f1 \- return error message from failure to parse derived metric definition
.SH "C SYNOPSIS"
.ft 3
#include <pcp/pmapi.h>
.sp
char *pmDerivedErrStr(void);
.sp
cc ... \-lpcp
.ft 1
.SH DESCRIPTION
.PP
When
.BR pmRegisterDerived (3)
is called to add a new derived metric definition and an error occurs,
.B pmDerivedErrStr
may be called to return the associated error message.
.SH SEE ALSO
.BR PCPIntro (1),
.BR PMAPI (3)
and
.BR pmRegisterDerived (3).
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