FcCharSetUnion(3) Add charsets Section 3 libfontconfig-doc bookworm source Description FcCharSetUnion NAME FcCharSetUnion - Add charsets SYNOPSIS #include <fontconfig/fontconfig.h> FcCharSet * FcCharSetUnion (const FcCharSet *a, const FcCharSet *b); DESCRIPTION Returns a set including only those chars found in either a or b.