FcConfigGetCache (3) - Linux Manuals
FcConfigGetCache: DEPRECATED used to return per-user cache filename
NAME
FcConfigGetCache - DEPRECATED used to return per-user cache filename
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcChar8 * FcConfigGetCache (FcConfig *config);
DESCRIPTION
With fontconfig no longer using per-user cache files, this function now simply returns NULL to indicate that no per-user file exists.