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b8f253e8 | 1 | /* |
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2 | * Copyright (c) 1988 The Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
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16 | */ |
17 | ||
2ce81398 | 18 | #if defined(LIBC_SCCS) && !defined(lint) |
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19 | static char sccsid[] = "@(#)ttyslot.c 5.3 (Berkeley) %G%"; |
20 | #endif /* LIBC_SCCS and not lint */ | |
66bba310 | 21 | |
fb7ebc6b | 22 | #include <ttyent.h> |
81627469 | 23 | #include <stdio.h> |
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24 | |
25 | ttyslot() | |
26 | { | |
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27 | register struct ttyent *ttyp; |
28 | register int slot; | |
29 | register char *p; | |
30 | int cnt; | |
31 | char *name, *rindex(), *ttyname(); | |
2bbb9f0d | 32 | |
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33 | for (cnt = 0; cnt < 3; ++cnt) |
34 | if (name = ttyname(cnt)) { | |
35 | if (p = rindex(name, '/')) | |
36 | ++p; | |
37 | else | |
38 | p = name; | |
39 | for (slot = 1; ttyp = getttyent(); ++slot) | |
40 | if (!strcmp(ttyp->ty_name, p)) { | |
41 | endttyent(); | |
42 | return(slot); | |
43 | } | |
44 | break; | |
2bbb9f0d | 45 | } |
fb7ebc6b | 46 | endttyent(); |
81627469 | 47 | return(0); |
2bbb9f0d | 48 | } |