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Annotation of 43BSD/lib/libc/compat-sys5/strcatn.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 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[] = "@(#)strcatn.c  4.3 (Berkeley) 3/9/86";
        !             9: #endif LIBC_SCCS and not lint
        !            10: 
        !            11: /*
        !            12:  * Concatenate s2 on the end of s1.  S1's space must be large enough.
        !            13:  * At most n characters are moved.
        !            14:  * Return s1.
        !            15:  */
        !            16: 
        !            17: char *
        !            18: strcatn(s1, s2, n)
        !            19: register char *s1, *s2;
        !            20: register n;
        !            21: {
        !            22:        register char *os1;
        !            23: 
        !            24:        os1 = s1;
        !            25:        while (*s1++)
        !            26:                ;
        !            27:        --s1;
        !            28:        while (*s1++ = *s2++)
        !            29:                if (--n < 0) {
        !            30:                        *--s1 = '\0';
        !            31:                        break;
        !            32:                }
        !            33:        return(os1);
        !            34: }

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