/* * Copyright (c) 2004-2005 The Free Software Foundation, * Derek Price, and Ximbiot . * * You may distribute under the terms of the GNU General Public License as * specified in the README file that comes with the CVS source distribution. */ void push PROTO((List *_stack, void *_elem)); void *pop PROTO((List *_stack)); void unshift PROTO((List *_stack, void *_elem)); void *shift PROTO((List *_stack)); void push_string PROTO((List *_stack, char *_elem)); char *pop_string PROTO((List *_stack)); void unshift_string PROTO((List *_stack, char *_elem)); char *shift_string PROTO((List *_stack)); int isempty PROTO((List *_stack));