FcLangSetUnion(3) FcLangSetUnion(3)NAMEFcLangSetUnion - Add langsetsSYNOPSIS#include <fontconfig.h> FcLangSet * FcLangSetUnion (const FcLangSet *ls_a, const FcLangSet *ls_b);DESCRIPTIONReturns a set including only those languages found in either ls_a or ls_b.VERSIONFontconfig version 2.9.0 16 April 2012 FcLangSetUnion(3)