FcCharSetSubtractCount (3) - Linux Manuals
FcCharSetSubtractCount: Subtract and count charsets
NAME
FcCharSetSubtractCount - Subtract and count charsets
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.