GBool isBool() { return type == objBool; }
GBool isInt() { return type == objInt; }
GBool isReal() { return type == objReal; }
GBool isBool() { return type == objBool; }
GBool isInt() { return type == objInt; }
GBool isReal() { return type == objReal; }
int streamGetChar();
int streamLookChar();
char *streamGetLine(char *buf, int size);
int streamGetPos();
void streamSetPos(int pos);
int streamGetChar();
int streamLookChar();
char *streamGetLine(char *buf, int size);
int streamGetPos();
void streamSetPos(int pos);