Provided by: libfontconfig1-dev_2.13.1-2ubuntu3_amd64 

NAME
FcDirCacheClean - Clean up a cache directory
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcDirCacheClean (const FcChar8 *cache_dir, FcBoolverbose);
DESCRIPTION
This tries to clean up the cache directory of cache_dir. This returns FcTrue if the operation is
successfully complete. otherwise FcFalse.
SINCE
version 2.9.91
Fontconfig 2.13.1 06 April 2020 FcDirCacheClean(3)