Provided by: libfontconfig-doc_2.15.0-1.1ubuntu2_all 
NAME
FcLangSetCopy - copy a langset object
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcLangSet * FcLangSetCopy (const FcLangSet *ls);
DESCRIPTION
FcLangSetCopy creates a new FcLangSet object and populates it with the contents of ls.