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- /*
- * Concatenate s2 on the end of s1. S1's space must be large enough.
- * At most n characters are moved.
- * Return s1.
- */
-
- char *
- strncat(s1, s2, n)
- register char *s1, *s2;
- register n;
- {
- register char *os1;
-
- os1 = s1;
- while (*s1++)
- ;
- --s1;
- while (*s1++ = *s2++)
- if (--n < 0) {
- *--s1 = '\0';
- break;
- }
- return(os1);
- }
-