142 	Cstate *cs;  in compinit()  local
144 	cs = mallocz(sizeof(Cstate), 1);  in compinit()
145 	cs->hist = &cs->arenas[0];  in compinit()
146 	cs->ohist = &cs->arenas[1];  in compinit()
147 	compreset(cs);  in compinit()
151 	cs->me = ~0;  in compinit()
152 	compreset(cs);  in compinit()
154 	cs->reset = 0;  in compinit()
157 		cs->encrypt = 1;  in compinit()
158 		memmove(cs->startkey, ppp->key, 16);  in compinit()
159 		memmove(cs->key, ppp->key, 16);  in compinit()
160 		setkey(cs->key, cs->startkey);  in compinit()
161 		setupRC4state(&cs->rc4key, cs->key, 16);  in compinit()
164 	return cs;  in compinit()
170 	Cstate *cs;  in compfini()  local
172 	cs = as;  in compfini()
173 	free(cs);  in compfini()
270 	Cstate *cs;  in compresetreq()  local
272 	cs = as;  in compresetreq()
274 	qlock(cs);  in compresetreq()
275 	compreset(cs);  in compresetreq()
276 	qunlock(cs);  in compresetreq()
284 comp2(Cstate *cs, uchar *p, int n)  in comp2()  argument
294 	if(cs->me + n < cs->me)  in comp2()
295 		compreset(cs);  in comp2()
297 	if(cs->hist->pos + n > cs->hist->buf + HistorySize)  in comp2()
298 		compfront(cs);  in comp2()
300 	hist = cs->hist;  in comp2()
301 	ohist = cs->ohist;  in comp2()
303 	hash = cs->hash;  in comp2()
304 	me = cs->me;  in comp2()
305 	split = cs->split;  in comp2()
314 	h = cs->h;  in comp2()
347 			complit(cs, *p);  in comp2()
350 			compcopy(cs, me - you, m);  in comp2()
362 	cs->h = h;  in comp2()
363 	cs->me = me;  in comp2()
367 compfront(Cstate *cs)  in compfront()  argument
371 	cs->front = 1;  in compfront()
373 	th = cs->ohist;  in compfront()
374 	cs->ohist = cs->hist;  in compfront()
375 	cs->hist = th;  in compfront()
376 	cs->hist->pos = cs->hist->buf;  in compfront()
377 	cs->h = 0;  in compfront()
378 	cs->me = cs->split + HistorySize;  in compfront()
379 	cs->split = cs->me;  in compfront()
383 compreset(Cstate *cs)  in compreset()  argument
387 	cs->reset = 1;  in compreset()
389 	me = cs->me;  in compreset()
392 		memset(cs->hash, 0, sizeof(cs->hash));  in compreset()
394 	cs->me = me + 2 * HistorySize;  in compreset()
395 	cs->split = cs->me;  in compreset()
396 	cs->hist->pos = cs->hist->buf;  in compreset()
397 	cs->ohist->pos = cs->ohist->buf;  in compreset()