1 /* 2 * @(#)b.h 4.1 (Berkeley) 83/02/11 3 */ 4 extern int xxindent, xxval, newflag, xxmaxchars, xxbpertab; 5 extern int xxlineno; /* # of lines already output */ 6 #define xxtop 100 /* max size of xxstack */ 7 extern int xxstind, xxstack[xxtop], xxlablast, xxt; 8 struct node 9 {int op; 10 char *lit; 11 struct node *left; 12 struct node *right; 13 }; 14