#include <fontconfig.h> FcLangResult FcLangSetCompare(const FcLangSet *ls_a); (const FcLangSet *ls_b); .fi
FcLangSetCompare compares language coverage for ls_a and ls_b. If they share any language and territory pair, this function returns FcLangEqual. If they share a language but differ in which territory that language is for, this function returns FcLangDiffentTerritory. If they share no languages in common, this function returns FcLangDifferentLang.
Fontconfig version 2.8.0