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NAME

       pmDerivedErrStr  -  return  error message from failure to parse derived
       metric definition

C SYNOPSIS

       #include <pcp/pmapi.h>

       char *pmDerivedErrStr(void)

       cc ... -lpcp

DESCRIPTION

       When pmRegisterDerived(3)  is  called  to  add  a  new  derived  metric
       definition and an error occurs, pmDerivedErrStr may be called to return
       the associated error message.

SEE ALSO

       PCPIntro(1), PMAPI(3) and pmRegisterDerived(3).