/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Edward Wang at The University of California, Berkeley. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)var.h 3.11 (Berkeley) 6/6/90 */ struct var { struct var *r_left; struct var *r_right; char *r_name; struct value r_val; }; struct var *var_set1(); struct var *var_setstr1(); struct var *var_setnum1(); struct var **var_lookup1(); #define var_set(n, v) var_set1(&var_head, n, v) #define var_setstr(n, s) var_setstr1(&var_head, n, s) #define var_setnum(n, i) var_setnum1(&var_head, n, i) #define var_unset(n) var_unset1(&var_head, n) #define var_lookup(n) (*var_lookup1(&var_head, n)) #define var_walk(f, a) var_walk1(var_head, f, a) struct var *var_head; /* secret, shhh */