extern void assoc_flush __P((HASH_TABLE *));
extern int assoc_insert __P((HASH_TABLE *, char *, char *));
+extern PTR_T assoc_replace __P((HASH_TABLE *, char *, char *));
extern void assoc_remove __P((HASH_TABLE *, char *));
extern char *assoc_reference __P((HASH_TABLE *, char *));