256 _gcq_next(struct gcq *current, struct gcq_head *head, struct gcq *start)  in _gcq_next()  argument
260 	q = current->q_next;  in _gcq_next()
263 	if (current != start)  in _gcq_next()
264 		GCQ_ASSERT(gcq_onlist(current));  in _gcq_next()
269 _gcq_prev(struct gcq *current, struct gcq_head *head, struct gcq *start)  in _gcq_prev()  argument
273 	q = current->q_prev;  in _gcq_prev()
276 	if (current != start)  in _gcq_prev()
277 		GCQ_ASSERT(gcq_onlist(current));  in _gcq_prev()
291 #define _GCQ_NP(var, current, head, start, np, fn)			\  argument
292     (np(current, head, start) != (start) ? 				\
293     (var = fn(np(current, head, start)), true) : (var = NULL, false))
294 #define _GCQ_NP_TYPED(tvar, current, head, start, type, name, np, fn) 	\  argument
295     (np(current, head, start) != (start) ? 				\
296     (tvar = GCQ_ITEM(fn(np(current, head, start)), type, name), true) :	\
307 #define _GCQ_NP_COND(var, current, head, start, np, rem, cond) 		\  argument
308     (np(current, head, start) != (start) ? 				\
309     (var = fn(np(current, head, start)), ((cond) ? (rem), true) : 	\
311 #define _GCQ_NP_COND_TYPED(tvar, current, head, start, type, name, np, 	\  argument
312     rem, cond) (np(current, head, start) != (start) ? 			\
313     (tvar = GCQ_ITEM(fn(np(current, head, start)), type, name), 	\
329 #define GCQ_GOT_NEXT(var, current, head, start)				\  argument
330     _GCQ_NP(var, current, head, start, _gcq_next, gcq_q)
331 #define GCQ_GOT_PREV(var, current, head, start)				\  argument
332     _GCQ_NP(var, current, head, start, _gcq_prev, gcq_q)
333 #define GCQ_DEQUEUED_NEXT(var, current, head, start)			\  argument
334     _GCQ_NP(var, current, head, start, _gcq_next, gcq_remove)
335 #define GCQ_DEQUEUED_PREV(var, current, head, start)			\  argument
336     _GCQ_NP(var, current, head, start, _gcq_prev, gcq_remove)
337 #define GCQ_GOT_NEXT_TYPED(tvar, current, head, start, type, name)	\  argument
338     _GCQ_NP_TYPED(tvar, current, head, start, type, name,		\
340 #define GCQ_GOT_PREV_TYPED(tvar, current, head, start, type, name)	\  argument
341     _GCQ_NP_TYPED(tvar, current, head, start, type, name,		\
343 #define GCQ_DEQUEUED_NEXT_TYPED(tvar, current, head, start, type, name)	\  argument
344     _GCQ_NP_TYPED(tvar, current, head, start, type, name,		\
346 #define GCQ_DEQUEUED_PREV_TYPED(tvar, current, head, start, type, name)	\  argument
347     _GCQ_NP_TYPED(tvar, current, head, start, type, name,		\
368 #define GCQ_GOT_NEXT_COND(var, current, head, start, cond)		\  argument
369     _GCQ_NP_COND(var, current, head, start, _gcq_next, ((void)0), cond)
370 #define GCQ_GOT_PREV_COND(var, current, head, start, cond)		\  argument
371     _GCQ_NP_COND(var, current, head, start, _gcq_prev, ((void)0), cond)
372 #define GCQ_DEQUEUED_NEXT_COND(var, current, head, start, cond)		\  argument
373     _GCQ_NP_COND(var, current, head, start, _gcq_next, gcq_remove(var), \
375 #define GCQ_DEQUEUED_PREV_COND(var, current, head, start, cond)		\  argument
376     _GCQ_NP_COND(var, current, head, start, _gcq_prev, gcq_remove(var), \
378 #define GCQ_GOT_NEXT_COND_TYPED(tvar, current, head, start, type, name, \  argument
379     cond) _GCQ_NP_COND_TYPED(tvar, current, head, start, type, name,	\
381 #define GCQ_GOT_PREV_COND_TYPED(tvar, current, head, start, type, name, \  argument
382     cond) _GCQ_NP_COND_TYPED(tvar, current, head, start, type, name,	\
384 #define GCQ_DEQUEUED_NEXT_COND_TYPED(tvar, current, head, start, type, 	\  argument
385     name, cond) _GCQ_NP_COND_TYPED(tvar, current, head, start, type, 	\
387 #define GCQ_DEQUEUED_PREV_COND_TYPED(tvar, current, head, start, type, 	\  argument
388     name, cond) _GCQ_NP_COND_TYPED(tvar, current, head, start, type, 	\