FcCharSetIntersect (3) - Linux Manuals
FcCharSetIntersect: Intersect charsets
NAME
FcCharSetIntersect - Intersect charsets
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcCharSet * FcCharSetIntersect (const FcCharSet *a, const FcCharSet *b);
DESCRIPTION
Returns a set including only those chars found in both a and b.