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Annotation of 43BSDReno/lib/libc/gen/ttyslot.c, revision 1.1

1.1     ! root        1: /*
        !             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: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #if defined(LIBC_SCCS) && !defined(lint)
        !            21: static char sccsid[] = "@(#)ttyslot.c  5.5 (Berkeley) 6/1/90";
        !            22: #endif /* LIBC_SCCS and not lint */
        !            23: 
        !            24: #include <ttyent.h>
        !            25: #include <stdio.h>
        !            26: 
        !            27: ttyslot()
        !            28: {
        !            29:        register struct ttyent *ttyp;
        !            30:        register int slot;
        !            31:        register char *p;
        !            32:        int cnt;
        !            33:        char *name, *rindex(), *ttyname();
        !            34: 
        !            35:        setttyent();
        !            36:        for (cnt = 0; cnt < 3; ++cnt) 
        !            37:                if (name = ttyname(cnt)) {
        !            38:                        if (p = rindex(name, '/')) 
        !            39:                                ++p;
        !            40:                        else
        !            41:                                p = name;
        !            42:                        for (slot = 1; ttyp = getttyent(); ++slot)
        !            43:                                if (!strcmp(ttyp->ty_name, p)) {
        !            44:                                        endttyent();
        !            45:                                        return(slot);
        !            46:                                }
        !            47:                        break;
        !            48:                }
        !            49:        endttyent();
        !            50:        return(0);
        !            51: }

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