22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
47  * mt --
74 	int c_ronly;			/* open tape read-only */
78 #define CMD(a)	a, sizeof(a) - 1
116 	const struct commands *cp, *comp;  in main()  local
129 	while ((ch = getopt(argc, argv, "f:t:")) != -1)  in main()
139 	argc -= optind;  in main()
146 	for (comp = NULL, cp = com; cp->c_name != NULL; cp++) {  in main()
147 		size_t clen = MIN(len, cp->c_namelen);  in main()
148 		if (strncmp(p, cp->c_name, clen) == 0) {  in main()
149 			if (comp != NULL)  in main()
151 				    p, cp->c_name, comp->c_name);  in main()
153 				comp = cp;  in main()
156 	if (comp == NULL)  in main()
161 		if (count < comp->c_mincount || *p)  in main()
166 	flags = comp->c_ronly ? O_RDONLY : O_WRONLY;  in main()
171 	switch (comp->c_spcl) {  in main()
173 		if (comp->c_code == MTASF) {  in main()
178 			   beginning-of-tape */  in main()
193 			mt_com.mt_op = comp->c_code;  in main()
197 				err(2, "%s: %s", tape, comp->c_name);  in main()
204 			err(2, "%s: %s", tape, comp->c_name);  in main()
210 		if (ioctl(mtfd, comp->c_spcl, (caddr_t) &count) < 0)  in main()
217 		if (ioctl(mtfd, comp->c_spcl, (caddr_t) &count) < 0)  in main()
222 		errx(1, "internal error: unknown request %ld", comp->c_spcl);  in main()
266 		if (mt->t_type == 0) {  in status()
268 			    bp->mt_type);  in status()
271 		if (mt->t_type == bp->mt_type)  in status()
274 	(void)printf("%s tape drive, residual=%d\n", mt->t_name, bp->mt_resid);  in status()
275 	printreg("ds", bp->mt_dsreg, mt->t_dsbits);  in status()
276 	printreg("\ner", bp->mt_erreg, mt->t_erbits);  in status()
279 		bp->mt_blksiz, bp->mt_mblksiz[0], bp->mt_mblksiz[1],  in status()
280 		bp->mt_mblksiz[2], bp->mt_mblksiz[3]);  in status()
282 		bp->mt_density, bp->mt_mdensity[0], bp->mt_mdensity[1],  in status()
283 		bp->mt_mdensity[2], bp->mt_mdensity[3]);  in status()
284 	(void)printf("current file number: %d\n", bp->mt_fileno);  in status()
285 	(void)printf("current block number: %d\n", bp->mt_blkno);  in status()
305 			if (v & (1 << (i-1))) {  in printreg()
322 	(void)fprintf(stderr, "usage: %s [-f device] command [count]\n",  in usage()