getty.tproj/subr.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.0 (the 'License').  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License."
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Copyright (c) 1983, 1993
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms, with or without
  29  * modification, are permitted provided that the following conditions
  30  * are met:
  31  * 1. Redistributions of source code must retain the above copyright
  32  *    notice, this list of conditions and the following disclaimer.
  33  * 2. Redistributions in binary form must reproduce the above copyright
  34  *    notice, this list of conditions and the following disclaimer in the
  35  *    documentation and/or other materials provided with the distribution.
  36  * 3. All advertising materials mentioning features or use of this software
  37  *    must display the following acknowledgement:
  38  *      This product includes software developed by the University of
  39  *      California, Berkeley and its contributors.
  40  * 4. Neither the name of the University nor the names of its contributors
  41  *    may be used to endorse or promote products derived from this software
  42  *    without specific prior written permission.
  43  *
  44  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  45  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  46  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  47  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  48  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  49  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  50  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  52  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  53  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  54  * SUCH DAMAGE.
  55  */
  56
  57 #ifndef lint
  58 /*static char sccsid[] = "from: @(#)subr.c      8.1 (Berkeley) 6/4/93";*/
  59 static char rcsid[] = "$Id: subr.c,v 1.2 2004/09/30 22:57:04 lindak Exp $";
  60 #endif /* not lint */
  61
  62 /*
  63  * Melbourne getty.
  64  */
  65 #define COMPAT_43_TTY 1
  66 #include <stdlib.h>
  67 #include <unistd.h>
  68 #include <string.h>
  69 #include <termios.h>
  70 #include <sys/ioctl.h>
  71
  72 #include "gettytab.h"
  73 #include "pathnames.h"
  74 #include "extern.h"
  75
  76 extern  struct termios tmode, omode;
  77
  78 static void     compatflags __P((long));
  79
  80 /*
  81  * Get a table entry.
  82  */
  83 void
  84 gettable(name, buf)
  85         char *name, *buf;
  86 {
  87         register struct gettystrs *sp;
  88         register struct gettynums *np;
  89         register struct gettyflags *fp;
  90         long n;
  91         char *dba[2];
  92         dba[0] = _PATH_GETTYTAB;
  93         dba[1] = 0;
  94
  95         if (cgetent(&buf, dba, name) != 0)
  96                 return;
  97
  98         for (sp = gettystrs; sp->field; sp++)
  99                 cgetstr(buf, sp->field, &sp->value);
 100         for (np = gettynums; np->field; np++) {
 101                 if (cgetnum(buf, np->field, &n) == -1)
 102                         np->set = 0;
 103                 else {
 104                         np->set = 1;
 105                         np->value = n;
 106                 }
 107         }
 108         for (fp = gettyflags; fp->field; fp++) {
 109                 if (cgetcap(buf, fp->field, ':') == NULL)
 110                         fp->set = 0;
 111                 else {
 112                         fp->set = 1;
 113                         fp->value = 1 ^ fp->invrt;
 114                 }
 115         }
 116 #ifdef DEBUG
 117         printf("name=\"%s\", buf=\"%s\"\n", name, buf);
 118         for (sp = gettystrs; sp->field; sp++)
 119                 printf("cgetstr: %s=%s\n", sp->field, sp->value);
 120         for (np = gettynums; np->field; np++)
 121                 printf("cgetnum: %s=%d\n", np->field, np->value);
 122         for (fp = gettyflags; fp->field; fp++)
 123                 printf("cgetflags: %s='%c' set='%c'\n", fp->field,
 124                        fp->value + '0', fp->set + '0');
 125         exit(1);
 126 #endif /* DEBUG */
 127 }
 128
 129 void
 130 gendefaults()
 131 {
 132         register struct gettystrs *sp;
 133         register struct gettynums *np;
 134         register struct gettyflags *fp;
 135
 136         for (sp = gettystrs; sp->field; sp++)
 137                 if (sp->value)
 138                         sp->defalt = sp->value;
 139         for (np = gettynums; np->field; np++)
 140                 if (np->set)
 141                         np->defalt = np->value;
 142         for (fp = gettyflags; fp->field; fp++)
 143                 if (fp->set)
 144                         fp->defalt = fp->value;
 145                 else
 146                         fp->defalt = fp->invrt;
 147 }
 148
 149 void
 150 setdefaults()
 151 {
 152         register struct gettystrs *sp;
 153         register struct gettynums *np;
 154         register struct gettyflags *fp;
 155
 156         for (sp = gettystrs; sp->field; sp++)
 157                 if (!sp->value)
 158                         sp->value = sp->defalt;
 159         for (np = gettynums; np->field; np++)
 160                 if (!np->set)
 161                         np->value = np->defalt;
 162         for (fp = gettyflags; fp->field; fp++)
 163                 if (!fp->set)
 164                         fp->value = fp->defalt;
 165 }
 166
 167 static char **
 168 charnames[] = {
 169         &ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK,
 170         &SU, &DS, &RP, &FL, &WE, &LN, 0
 171 };
 172
 173 static char *
 174 charvars[] = {
 175         &tmode.c_cc[VERASE], &tmode.c_cc[VKILL], &tmode.c_cc[VINTR],
 176         &tmode.c_cc[VQUIT], &tmode.c_cc[VSTART], &tmode.c_cc[VSTOP],
 177         &tmode.c_cc[VEOF], &tmode.c_cc[VEOL], &tmode.c_cc[VSUSP],
 178         &tmode.c_cc[VDSUSP], &tmode.c_cc[VREPRINT], &tmode.c_cc[VDISCARD],
 179         &tmode.c_cc[VWERASE], &tmode.c_cc[VLNEXT], 0
 180 };
 181
 182 void
 183 setchars()
 184 {
 185         register int i;
 186         register char *p;
 187
 188         for (i = 0; charnames[i]; i++) {
 189                 p = *charnames[i];
 190                 if (p && *p)
 191                         *charvars[i] = *p;
 192                 else
 193                         *charvars[i] = _POSIX_VDISABLE;
 194         }
 195 }
 196
 197 void
 198 setflags(n)
 199         int n;
 200 {
 201         register tcflag_t iflag, oflag, cflag, lflag;
 202
 203 #ifdef COMPAT_43
 204         switch (n) {
 205         case 0:
 206                 if (F0set) {
 207                         compatflags(F0);
 208                         return;
 209                 }
 210                 break;
 211         case 1:
 212                 if (F1set) {
 213                         compatflags(F1);
 214                         return;
 215                 }
 216                 break;
 217         default:
 218                 if (F2set) {
 219                         compatflags(F2);
 220                         return;
 221                 }
 222                 break;
 223         }
 224 #endif
 225
 226         switch (n) {
 227         case 0:
 228                 if (C0set && I0set && L0set && O0set) {
 229                         tmode.c_cflag = C0;
 230                         tmode.c_iflag = I0;
 231                         tmode.c_lflag = L0;
 232                         tmode.c_oflag = O0;
 233                         return;
 234                 }
 235                 break;
 236         case 1:
 237                 if (C1set && I1set && L1set && O1set) {
 238                         tmode.c_cflag = C1;
 239                         tmode.c_iflag = I1;
 240                         tmode.c_lflag = L1;
 241                         tmode.c_oflag = O1;
 242                         return;
 243                 }
 244                 break;
 245         default:
 246                 if (C2set && I2set && L2set && O2set) {
 247                         tmode.c_cflag = C2;
 248                         tmode.c_iflag = I2;
 249                         tmode.c_lflag = L2;
 250                         tmode.c_oflag = O2;
 251                         return;
 252                 }
 253                 break;
 254         }
 255
 256 #define BIC(v,c)        (v) &= ~(c)
 257 #define BIS(v,s)        (v) |= (s)
 258 #define BICS(v,c,s)     BIC(v,c),BIS(v,s)
 259
 260         iflag = omode.c_iflag;
 261         oflag = omode.c_oflag;
 262         cflag = omode.c_cflag;
 263         lflag = omode.c_lflag;
 264
 265         if (NP) {
 266                 BIC(iflag, ISTRIP|INPCK|IGNPAR);
 267                 BICS(cflag, CSIZE|PARENB|PARODD, CS8);
 268         } else if (OP && !EP) {
 269                 BIS(iflag, ISTRIP|INPCK|IGNPAR);
 270                 BICS(cflag, CSIZE, PARENB|PARODD|CS7);
 271                 if (AP)
 272                         BIC(iflag, INPCK);
 273         } else if (EP && !OP) {
 274                 BIS(iflag, ISTRIP|INPCK|IGNPAR);
 275                 BICS(cflag, CSIZE|PARODD, PARENB|CS7);
 276                 if (AP)
 277                         BIC(iflag, INPCK);
 278         } else if (AP || EP && OP) {
 279                 BICS(iflag, INPCK|IGNPAR, ISTRIP);
 280                 BICS(cflag, CSIZE|PARODD, PARENB|CS7);
 281         } /* else, leave as is */
 282
 283 #if 0
 284         if (UC)
 285                 f |= LCASE;
 286 #endif
 287
 288         if (HC)
 289                 cflag |= HUPCL;
 290         else
 291                 cflag &= ~HUPCL;
 292
 293         if (NL) {
 294                 iflag |= ICRNL;
 295                 oflag |= ONLCR;
 296         }
 297
 298 #ifdef XXX_DELAY
 299         f |= delaybits();
 300 #endif
 301
 302         if (n == 1) {           /* read mode flags */
 303                 if (RW) {
 304                         iflag = 0;
 305                         oflag = 0;
 306                         cflag = CREAD|CS8;
 307                         lflag = 0;
 308                 } else {
 309                         lflag &= ~ICANON;
 310                 }
 311                 goto out;
 312         }
 313
 314         if (HT)
 315                 oflag &= ~OXTABS;
 316         else
 317                 oflag |= OXTABS;
 318
 319         if (n == 0)
 320                 goto out;
 321
 322 #if 0
 323         if (CB)
 324                 f |= CRTBS;
 325 #endif
 326
 327         if (CE)
 328                 lflag |= ECHOE;
 329
 330         if (CK)
 331                 lflag |= ECHOKE;
 332
 333         if (PE)
 334                 lflag |= ECHOPRT;
 335
 336         if (EC)
 337                 lflag |= ECHO;
 338
 339         if (XC)
 340                 lflag |= ECHOCTL;
 341
 342         if (DX)
 343                 lflag |= IXANY;
 344
 345         if (MB)
 346                 cflag |= MDMBUF;
 347         else
 348                 cflag &= ~MDMBUF;
 349
 350 out:
 351         tmode.c_iflag = iflag;
 352         tmode.c_oflag = oflag;
 353         tmode.c_cflag = cflag;
 354         tmode.c_lflag = lflag;
 355 }
 356
 357 #ifdef COMPAT_43
 358 /*
 359  * Old TTY => termios, snatched from <sys/kern/tty_compat.c>
 360  */
 361 void
 362 compatflags(flags)
 363 register long flags;
 364 {
 365         register tcflag_t iflag, oflag, cflag, lflag;
 366
 367         iflag = (BRKINT|ICRNL|IMAXBEL|IXON|IXANY);
 368         oflag = (OPOST|ONLCR|OXTABS);
 369         cflag = (CREAD);
 370         lflag = (ICANON|ISIG|IEXTEN);
 371
 372         if (flags & TANDEM)
 373                 iflag |= IXOFF;
 374         else
 375                 iflag &= ~IXOFF;
 376         if (flags & ECHO)
 377                 lflag |= ECHO;
 378         else
 379                 lflag &= ~ECHO;
 380         if (flags & CRMOD) {
 381                 iflag |= ICRNL;
 382                 oflag |= ONLCR;
 383         } else {
 384                 iflag &= ~ICRNL;
 385                 oflag &= ~ONLCR;
 386         }
 387         if (flags & XTABS)
 388                 oflag |= OXTABS;
 389         else
 390                 oflag &= ~OXTABS;
 391
 392         if (flags & RAW) {
 393                 iflag &= IXOFF;
 394                 lflag &= ~(ISIG|ICANON|IEXTEN);
 395         } else {
 396                 iflag |= BRKINT|IXON|IMAXBEL;
 397                 lflag |= ISIG|IEXTEN;
 398                 if (flags & CBREAK)
 399                         lflag &= ~ICANON;
 400                 else
 401                         lflag |= ICANON;
 402         }
 403
 404         switch (flags & ANYP) {
 405         case EVENP:
 406                 iflag |= INPCK;
 407                 cflag &= ~PARODD;
 408                 break;
 409         case ODDP:
 410                 iflag |= INPCK;
 411                 cflag |= PARODD;
 412                 break;
 413         default:
 414                 iflag &= ~INPCK;
 415                 break;
 416         }
 417
 418         if (flags & (RAW|LITOUT|PASS8)) {
 419                 cflag &= ~(CSIZE|PARENB);
 420                 cflag |= CS8;
 421                 if ((flags & (RAW|PASS8)) == 0)
 422                         iflag |= ISTRIP;
 423                 else
 424                         iflag &= ~ISTRIP;
 425                 if ((flags & (RAW|LITOUT)) == 0)
 426                         oflag |= OPOST;
 427                 else
 428                         oflag &= ~OPOST;
 429         } else {
 430                 cflag &= ~CSIZE;
 431                 cflag |= CS7|PARENB;
 432                 iflag |= ISTRIP;
 433                 oflag |= OPOST;
 434         }
 435
 436         if (flags & PRTERA)
 437                 lflag |= ECHOPRT;
 438         else
 439                 lflag &= ~ECHOPRT;
 440         if (flags & CRTERA)
 441                 lflag |= ECHOE;
 442         else
 443                 lflag &= ~ECHOE;
 444         if (flags & MDMBUF)
 445                 cflag |= MDMBUF;
 446         else
 447                 cflag &= ~MDMBUF;
 448         if (flags & NOHANG)
 449                 cflag &= ~HUPCL;
 450         else
 451                 cflag |= HUPCL;
 452         if (flags & CRTKIL)
 453                 lflag |= ECHOKE;
 454         else
 455                 lflag &= ~ECHOKE;
 456         if (flags & CTLECH)
 457                 lflag |= ECHOCTL;
 458         else
 459                 lflag &= ~ECHOCTL;
 460         if ((flags & DECCTQ) == 0)
 461                 lflag |= IXANY;
 462         else
 463                 lflag &= ~IXANY;
 464         lflag &= ~(TOSTOP|FLUSHO|PENDIN|NOFLSH);
 465         lflag |= flags & (TOSTOP|FLUSHO|PENDIN|NOFLSH);
 466
 467         if (flags & (RAW|LITOUT|PASS8)) {
 468                 cflag &= ~(CSIZE|PARENB);
 469                 cflag |= CS8;
 470                 if ((flags & (RAW|PASS8)) == 0)
 471                         iflag |= ISTRIP;
 472                 else
 473                         iflag &= ~ISTRIP;
 474                 if ((flags & (RAW|LITOUT)) == 0)
 475                         oflag |= OPOST;
 476                 else
 477                         oflag &= ~OPOST;
 478         } else {
 479                 cflag &= ~CSIZE;
 480                 cflag |= CS7|PARENB;
 481                 iflag |= ISTRIP;
 482                 oflag |= OPOST;
 483         }
 484
 485         tmode.c_iflag = iflag;
 486         tmode.c_oflag = oflag;
 487         tmode.c_cflag = cflag;
 488         tmode.c_lflag = lflag;
 489 }
 490 #endif
 491
 492 #ifdef XXX_DELAY
 493 struct delayval {
 494         unsigned        delay;          /* delay in ms */
 495         int             bits;
 496 };
 497
 498 /*
 499  * below are random guesses, I can't be bothered checking
 500  */
 501
 502 struct delayval crdelay[] = {
 503         { 1,            CR1 },
 504         { 2,            CR2 },
 505         { 3,            CR3 },
 506         { 83,           CR1 },
 507         { 166,          CR2 },
 508         { 0,            CR3 },
 509 };
 510
 511 struct delayval nldelay[] = {
 512         { 1,            NL1 },          /* special, calculated */
 513         { 2,            NL2 },
 514         { 3,            NL3 },
 515         { 100,          NL2 },
 516         { 0,            NL3 },
 517 };
 518
 519 struct delayval bsdelay[] = {
 520         { 1,            BS1 },
 521         { 0,            0 },
 522 };
 523
 524 struct delayval ffdelay[] = {
 525         { 1,            FF1 },
 526         { 1750,         FF1 },
 527         { 0,            FF1 },
 528 };
 529
 530 struct delayval tbdelay[] = {
 531         { 1,             TAB1 },
 532         { 2,             TAB2 },
 533         { 3,            XTABS },        /* this is expand tabs */
 534         { 100,           TAB1 },
 535         { 0,             TAB2 },
 536 };
 537
 538 int
 539 delaybits()
 540 {
 541         register int f;
 542
 543         f  = adelay(CD, crdelay);
 544         f |= adelay(ND, nldelay);
 545         f |= adelay(FD, ffdelay);
 546         f |= adelay(TD, tbdelay);
 547         f |= adelay(BD, bsdelay);
 548         return (f);
 549 }
 550
 551 int
 552 adelay(ms, dp)
 553         register ms;
 554         register struct delayval *dp;
 555 {
 556         if (ms == 0)
 557                 return (0);
 558         while (dp->delay && ms > dp->delay)
 559                 dp++;
 560         return (dp->bits);
 561 }
 562 #endif
 563
 564 char    editedhost[32];
 565
 566 void
 567 edithost(pat)
 568         register char *pat;
 569 {
 570         register char *host = HN;
 571         register char *res = editedhost;
 572
 573         if (!pat)
 574                 pat = "";
 575         while (*pat) {
 576                 switch (*pat) {
 577
 578                 case '#':
 579                         if (*host)
 580                                 host++;
 581                         break;
 582
 583                 case '@':
 584                         if (*host)
 585                                 *res++ = *host++;
 586                         break;
 587
 588                 default:
 589                         *res++ = *pat;
 590                         break;
 591
 592                 }
 593                 if (res == &editedhost[sizeof editedhost - 1]) {
 594                         *res = '\0';
 595                         return;
 596                 }
 597                 pat++;
 598         }
 599         if (*host)
 600                 strncpy(res, host, sizeof editedhost - (res - editedhost) - 1);
 601         else
 602                 *res = '\0';
 603         editedhost[sizeof editedhost - 1] = '\0';
 604 }
 605
 606 void
 607 makeenv(env)
 608         char *env[];
 609 {
 610         static char termbuf[128] = "TERM=";
 611         register char *p, *q;
 612         register char **ep;
 613
 614         ep = env;
 615         if (TT && *TT) {
 616                 strcat(termbuf, TT);
 617                 *ep++ = termbuf;
 618         }
 619         if (p = EV) {
 620                 q = p;
 621                 while (q = strchr(q, ',')) {
 622                         *q++ = '\0';
 623                         *ep++ = p;
 624                         p = q;
 625                 }
 626                 if (*p)
 627                         *ep++ = p;
 628         }
 629         *ep = (char *)0;
 630 }
 631
 632 /*
 633  * This speed select mechanism is written for the Develcon DATASWITCH.
 634  * The Develcon sends a string of the form "B{speed}\n" at a predefined
 635  * baud rate. This string indicates the user's actual speed.
 636  * The routine below returns the terminal type mapped from derived speed.
 637  */
 638 struct  portselect {
 639         char    *ps_baud;
 640         char    *ps_type;
 641 } portspeeds[] = {
 642         { "B110",       "std.110" },
 643         { "B134",       "std.134" },
 644         { "B150",       "std.150" },
 645         { "B300",       "std.300" },
 646         { "B600",       "std.600" },
 647         { "B1200",      "std.1200" },
 648         { "B2400",      "std.2400" },
 649         { "B4800",      "std.4800" },
 650         { "B9600",      "std.9600" },
 651         { "B19200",     "std.19200" },
 652         { 0 }
 653 };
 654
 655 char *
 656 portselector()
 657 {
 658         char c, baud[20], *type = "default";
 659         register struct portselect *ps;
 660         int len;
 661
 662         alarm(5*60);
 663         for (len = 0; len < sizeof (baud) - 1; len++) {
 664                 if (read(STDIN_FILENO, &c, 1) <= 0)
 665                         break;
 666                 c &= 0177;
 667                 if (c == '\n' || c == '\r')
 668                         break;
 669                 if (c == 'B')
 670                         len = 0;        /* in case of leading garbage */
 671                 baud[len] = c;
 672         }
 673         baud[len] = '\0';
 674         for (ps = portspeeds; ps->ps_baud; ps++)
 675                 if (strcmp(ps->ps_baud, baud) == 0) {
 676                         type = ps->ps_type;
 677                         break;
 678                 }
 679         sleep(2);       /* wait for connection to complete */
 680         return (type);
 681 }
 682
 683 /*
 684  * This auto-baud speed select mechanism is written for the Micom 600
 685  * portselector. Selection is done by looking at how the character '\r'
 686  * is garbled at the different speeds.
 687  */
 688 #include <sys/time.h>
 689
 690 char *
 691 autobaud()
 692 {
 693         int rfds;
 694         struct timeval timeout;
 695         char c, *type = "9600-baud";
 696         int null = 0;
 697
 698         ioctl(0, TIOCFLUSH, &null);
 699         rfds = 1 << 0;
 700         timeout.tv_sec = 5;
 701         timeout.tv_usec = 0;
 702         if (select(32, (fd_set *)&rfds, (fd_set *)NULL,
 703             (fd_set *)NULL, &timeout) <= 0)
 704                 return (type);
 705         if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char))
 706                 return (type);
 707         timeout.tv_sec = 0;
 708         timeout.tv_usec = 20;
 709         (void) select(32, (fd_set *)NULL, (fd_set *)NULL,
 710             (fd_set *)NULL, &timeout);
 711         ioctl(0, TIOCFLUSH, &null);
 712         switch (c & 0377) {
 713
 714         case 0200:              /* 300-baud */
 715                 type = "300-baud";
 716                 break;
 717
 718         case 0346:              /* 1200-baud */
 719                 type = "1200-baud";
 720                 break;
 721
 722         case  015:              /* 2400-baud */
 723         case 0215:
 724                 type = "2400-baud";
 725                 break;
 726
 727         default:                /* 4800-baud */
 728                 type = "4800-baud";
 729                 break;
 730
 731         case 0377:              /* 9600-baud */
 732                 type = "9600-baud";
 733                 break;
 734         }
 735         return (type);
 736 }