Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 

NAME
FcPatternFilter - Filter the objects of pattern
SYNOPSIS
#include <fontconfig/fontconfig.h> FcPattern * FcPatternFilter (FcPattern *p, const FcObjectSet *);
DESCRIPTION
Returns a new pattern that only has those objects from p that are in os. If os is NULL, a duplicate of p is returned.