Man page - fcdircacheread(3)
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Manual
FcDirCacheRead
NAMESYNOPSIS
DESCRIPTION
NAME
FcDirCacheRead - read or construct a directory cache
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcCache * FcDirCacheRead (const FcChar8 * dir , FcBool force , FcConfig * config );
DESCRIPTION
This returns a cache for dir . If force is FcFalse, then an existing, valid cache file will be used. Otherwise, a new cache will be created by scanning the directory and that returned.