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Annotation of 43BSD/lib/libc/gen/strncat.c, revision 1.1

1.1     ! root        1: #if defined(LIBC_SCCS) && !defined(lint)
        !             2: static char sccsid[] = "@(#)strncat.c  5.2 (Berkeley) 3/9/86";
        !             3: #endif LIBC_SCCS and not lint
        !             4: 
        !             5: /*
        !             6:  * Concatenate s2 on the end of s1.  S1's space must be large enough.
        !             7:  * At most n characters are moved.
        !             8:  * Return s1.
        !             9:  */
        !            10: 
        !            11: char *
        !            12: strncat(s1, s2, n)
        !            13: register char *s1, *s2;
        !            14: register n;
        !            15: {
        !            16:        register char *os1;
        !            17: 
        !            18:        os1 = s1;
        !            19:        while (*s1++)
        !            20:                ;
        !            21:        --s1;
        !            22:        while (*s1++ = *s2++)
        !            23:                if (--n < 0) {
        !            24:                        *--s1 = '\0';
        !            25:                        break;
        !            26:                }
        !            27:        return(os1);
        !            28: }

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