Man page - fclangsetadd(3)
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Manual
FcLangSetAdd
NAMESYNOPSIS
DESCRIPTION
NAME
FcLangSetAdd - add a language to a langset
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcLangSetAdd (FcLangSet * ls , const FcChar8 * lang );
DESCRIPTION
lang is added to ls . lang should be of the form Ll-Tt where Ll is a two or three letter language from ISO 639 and Tt is a territory from ISO 3166.