var.h

Variables

var_head          X

Macros

var_lookup        X
var_set           X
var_setnum        X
var_setstr        X
var_unset         X
var_walk          X

struct's

var               X

   1: /*
   2:  * @(#)var.h	3.7 4/24/85
   3:  */
   4: 
   5: /*
   6:  * Copyright (c) 1983 Regents of the University of California,
   7:  * All rights reserved.  Redistribution permitted subject to
   8:  * the terms of the Berkeley Software License Agreement.
   9:  */
  10: 
  11: struct var {
  12:     struct var *r_left;
  13:     struct var *r_right;
  14:     char *r_name;
  15:     struct value r_val;
  16: };
  17: 
  18: struct var *var_set1();
  19: struct var *var_setstr1();
  20: struct var *var_setnum1();
  21: struct var **var_lookup1();
  22: 
  23: #define var_set(n, v)       var_set1(&var_head, n, v)
  24: #define var_setstr(n, s)    var_setstr1(&var_head, n, s)
  25: #define var_setnum(n, i)    var_setnum1(&var_head, n, i)
  26: #define var_unset(n)        var_unset1(&var_head, n)
  27: #define var_lookup(n)       (*var_lookup1(&var_head, n))
  28: #define var_walk(f, a)      var_walk1(var_head, f, a)
  29: 
  30: struct var *var_head;       /* secret, shhh */