/* $Id$ */ /* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* O P E R A T I O N S F O R * L O N G S E T S */ extern lset Lempty_set(); /* () */ extern bool Lis_elem(); /* (Lelem_t, lset) */ extern Ladd(); /* (Lelem_t, *lset) */ extern Lremove(); /* (Lelem_t, *lset) */ extern Lindex Lfirst(); /* (lset) */ extern Lindex Lnext(); /* (Lindex, lset) */ extern Lelem_t Lelem(); /* (Lindex) */ extern Ljoin(); /* (lset, *lset) */ extern Ldeleteset(); /* (lset) */ extern bool Lis_subset(); /* (lset, lset) */ extern short Lnrelems(); /* (lset) */