frysk-fccharsetsubtractcount(3) - Linux man page
Name
FcCharSetSubtractCount - Subtract and count charsetsSynopsis
#include <fontconfig.h>
FcChar32 FcCharSetSubtractCount (const FcCharSet *a, const FcCharSet *b);
Description
Returns the number of chars that are in a but not in b.
Version
Fontconfig version 2.4.2