Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 

NAME
FcCacheNumFont - Returns the number of fonts in cache.
SYNOPSIS
#include <fontconfig/fontconfig.h>
int FcCacheNumFont (const FcCache *cache);
DESCRIPTION
This returns the number of fonts which would be included in the return from FcCacheCopySet.
Fontconfig 2.12.6 05 April 2018 FcCacheNumFont(3)