--- stack/stack.h	2002/03/20 05:29:29	1.17
+++ stack/stack.h	2002/03/20 17:19:46	1.18
@@ -178,3 +178,4 @@
 extern void car(environment*);
 extern void cdr(environment*);
 extern void cons(environment*);
+extern void assq(environment*);