Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 
NAME
FcLangNormalize - Normalize the language string
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcChar8 * FcLangNormalize (const FcChar8 *lang);
DESCRIPTION
Returns a string to make lang suitable on fontconfig.
SINCE
version 2.10.91