Provided by: libfontconfig-doc_2.13.1-4.4ubuntu1_all 
NAME
FcNameUnregisterConstants - Unregister symbolic constants
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcNameUnregisterConstants (const FcConstant *consts, int nconsts);
DESCRIPTION
Deprecated. Does nothing. Returns FcFalse.