SYNOPSIS
#include <fontconfig/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 2.11.0
FcCharSetSubtractCount(3)
Subtract and count charsets