15 typedef	struct	Node	Node;  typedef
18 struct	Node  struct
26 	Node	node;  argument
44 Node	one;
46 Node	retnode1;
47 Node	retnode2;
48 Node	retnode;
53 extern	void	add(Node*, Node*, Node*);
54 extern	void	div(Node*, Node*, Node*);
55 extern	int	specialcase(Node*, Node*, Node*);
62 extern	void	mul(Node*, Node*, Node*);
68 extern	void	sub(Node*, Node*, Node*);
70 extern	void	xpn(Node*, Node*, int);
75 typedef	Node*	indnode;
81 	Node	node;
430 add(Node *c, Node *a, Node *b)  in add()
444 sub(Node *c, Node *a, Node *b)  in sub()
458 mul(Node *c, Node *a, Node *b)  in mul()
468 div(Node *c, Node *a, Node *b)  in div()
478 xpn(Node *c, Node *a, int b)  in xpn()
493 specialcase(Node *c, Node *a, Node *b)  in specialcase()
564 	Node *n;  in Ufmt()
567 	n = va_arg(fp->args, Node*);  in Ufmt()