FcDirCacheUnload (3) - Linux Manuals
FcDirCacheUnload: unload a cache file
NAME
FcDirCacheUnload - unload a cache file
SYNOPSIS
#include <fontconfig/fontconfig.h>
void FcDirCacheUnload (FcCache *cache);
DESCRIPTION
This function dereferences cache. When no other references to it remain, all memory associated with the cache will be freed.