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Annotation of 43BSD/lib/libc/gen/strncat.c, revision 1.1.1.1

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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