171 	struct putchar_arg pca;  in uprintf()  local
197 	pca.tty = p->p_session->s_ttyp;  in uprintf()
200 	if (pca.tty == NULL) {  in uprintf()
204 	pca.flags = TOTTY;  in uprintf()
205 	pca.p_bufr = NULL;  in uprintf()
207 	tty_lock(pca.tty);  in uprintf()
209 	retval = kvprintf(fmt, putchar, &pca, 10, ap);  in uprintf()
210 	tty_unlock(pca.tty);  in uprintf()
234 	struct putchar_arg pca;  in vtprintf()  local
254 	pca.pri = pri;  in vtprintf()
255 	pca.tty = tp;  in vtprintf()
256 	pca.flags = flags;  in vtprintf()
257 	pca.p_bufr = NULL;  in vtprintf()
258 	if (pca.tty != NULL)  in vtprintf()
259 		tty_lock(pca.tty);  in vtprintf()
261 	kvprintf(fmt, putchar, &pca, 10, ap);  in vtprintf()
262 	if (pca.tty != NULL)  in vtprintf()
263 		tty_unlock(pca.tty);  in vtprintf()
272 	struct putchar_arg pca;  in _vprintf()  local
279 	pca.tty = NULL;  in _vprintf()
280 	pca.pri = level;  in _vprintf()
281 	pca.flags = flags;  in _vprintf()
283 	pca.p_bufr = bufr;  in _vprintf()
284 	pca.p_next = pca.p_bufr;  in _vprintf()
285 	pca.n_bufr = sizeof(bufr);  in _vprintf()
286 	pca.remain = sizeof(bufr);  in _vprintf()
287 	*pca.p_next = '\0';  in _vprintf()
290 	pca.p_bufr = NULL;  in _vprintf()
293 	retval = kvprintf(fmt, putchar, &pca, 10, ap);  in _vprintf()
297 	if (*pca.p_bufr != '\0')  in _vprintf()
298 		prf_putbuf(pca.p_bufr, flags, level);  in _vprintf()