FcCacheCopySet (3) - Linux Manuals
FcCacheCopySet: Returns a copy of the fontset from cache
NAME
FcCacheCopySet - Returns a copy of the fontset from cache
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcFontSet * FcCacheCopySet (const FcCache *cache);
DESCRIPTION
The returned fontset contains each of the font patterns from cache. This fontset may be modified, but the patterns from the cache are read-only.