/* $Id$ */ /* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ typedef struct queue_t *queue; struct queue_t { instr_p head; instr_p tail; int qlen; }; #define qhead(q) (q)->head #define qlength(q) (q)->qlen #define next(x) (x)->fw