man FcCharSetSubtractCount (Fonctions bibliothèques) - Subtract and count charsets
NAME
FcCharSetSubtractCount - Subtract and count charsets
SYNOPSIS
#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 2.3.2