Int2String(i: int16): ^Str255;
LongInt2String(l: int32): ^Str255;
Real2String(r: Real): ^Str255;
String2Int(str: ^Str255): int16;
String2LongInt(str: ^Str255): int32;
String2Real(str: ^Str255): Real;
P2GSstring(pString: ^Str255, gsString: ^GSString255);
GS2Pstring(gsString: ^GSString255, pString: ^Str255);
StuffHex(dest: Ptr, Str: ^Str255);
CallCode(proc: Ptr, xValue: int16, err: ^int16, nBytesIn: int16,
    BytesIn: Ptr, nBytesOut: int16, BytesOut: Ptr);