63 #define NIL ((TABLE_ENTRY *)0)  macro
78 static TABLE_ENTRY *table = NIL;
94 	for (ptr = table; ptr != NIL; ptr = next) {  in find_match()
132 	for (ptr = table; ptr != NIL; ptr = next) {  in find_request()
168 	if (ptr == NIL) {  in insert_table()
175 	if (ptr->next != NIL)  in insert_table()
177 	ptr->last = NIL;  in insert_table()
206 	for (ptr = table; ptr != NIL; ptr = ptr->next) {  in delete_invite()
212 	if (ptr != NIL) {  in delete_invite()
230 	else if (ptr->last != NIL)  in delete()
232 	if (ptr->next != NIL)  in delete()