# 2.11BSD#431 - /usr/src/lib/libc/gen/ttyslot.c

##### Functions

    ttyslot           X

##### Macros

    NULL              X

       1: /*
       2:  * Copyright (c) 1984 Regents of the University of California.
       3:  * All rights reserved.  The Berkeley software License Agreement
       4:  * specifies the terms and conditions for redistribution.
       5:  */
       6:
       7: #if defined(LIBC_SCCS) && !defined(lint)
       8: static char sccsid[] = "@(#)ttyslot.c	5.2 (Berkeley) 3/9/86";
       9: #endif LIBC_SCCS and not lint
      10:
      11: /*
      12:  * Return the number of the slot in the utmp file
      13:  * corresponding to the current user: try for file 0, 1, 2.
      14:  * Definition is the line number in the /etc/ttys file.
      15:  */
      16: #include <ttyent.h>
      17:
      18: char    *ttyname();
      19: char    *rindex();
      20:
      21: #define NULL    0
      22:
      23: ttyslot()
      24: {
      25:     register struct ttyent *ty;
      26:     register char *tp, *p;
      27:     register s;
      28:
      29:     if ((tp = ttyname(0)) == NULL &&
      30:         (tp = ttyname(1)) == NULL &&
      31:         (tp = ttyname(2)) == NULL)
      32:         return(0);
      33:     if ((p = rindex(tp, '/')) == NULL)
      34:         p = tp;
      35:     else
      36:         p++;
      37:     setttyent();
      38:     s = 0;
      39:     while ((ty = getttyent()) != NULL) {
      40:         s++;
      41:         if (strcmp(ty->ty_name, p) == 0) {
      42:             endttyent();
      43:             return (s);
      44:         }
      45:     }
      46:     endttyent();
      47:     return (0);
      48: }

#### Defined functions

ttyslot defined in line 23; used 3 times

- in /usr/src/bin/wall.c line 62
- in /usr/src/local/welcome/welcome.c line 76
- in /usr/src/usr.lib/libutil/login.c line 36

#### Defined variables

sccsid defined in line 8; never used

#### Defined macros

NULL defined in line 21; used 5 times

- in line 29-33(4), 39

Last modified: 1986-03-10 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 492 |