FcGetDefaultLangs (3) - Linux Manuals
FcGetDefaultLangs: Get the default languages list
NAME
FcGetDefaultLangs - Get the default languages list
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcStrSet * FcGetDefaultLangs (void);
DESCRIPTION
Returns a string set of the default languages according to the environment variables on the system. This function looks for them in order of FC_LANG, LC_ALL, LC_CTYPE and LANG then. If there are no valid values in those environment variables, "en" will be set as fallback.
SINCE
version 2.9.91