FcCharSetSubtractCount(3) FcCharSetSubtractCount(3) NAME FcCharSetSubtractCount - Subtract and count charsets SYNOPSIS #include FcChar32 FcCharSetSubtractCount (const FcCharSet *a, const FcCharSet *b); DESCRIPTION Returns the number of chars that are in a but not in b. Fontconfig 2.18.3 23 August 2026 FcCharSetSubtractCount(3)