2 * Copyright (c) 2004-2005 The Free Software Foundation,
3 * Derek Price, and Ximbiot <http://ximbiot.com>.
5 * You may distribute under the terms of the GNU General Public License as
6 * specified in the README file that comes with the CVS source distribution.
9 void push PROTO((List *_stack, void *_elem));
10 void *pop PROTO((List *_stack));
11 void unshift PROTO((List *_stack, void *_elem));
12 void *shift PROTO((List *_stack));
13 void push_string PROTO((List *_stack, char *_elem));
14 char *pop_string PROTO((List *_stack));
15 void unshift_string PROTO((List *_stack, char *_elem));
16 char *shift_string PROTO((List *_stack));
17 int isempty PROTO((List *_stack));