/* strncpy.c - strncpy */

/*------------------------------------------------------------------------
 *  strncpy  -  Copy string s2 to s1, truncating or null-padding so that
 *                      excatly n bytes are copied; return s1
 *------------------------------------------------------------------------
 */
char    *strncpy(
          char          *s1,            /* First string                 */
          const char    *s2,            /* Second string                */
          int           n               /* Length  to copy              */
                        )
{
    register int i;
    register char *os1;

    os1 = s1;
    for (i = 0; i < n; i++)
    {
        if (((*s1++) = (*s2++)) == '\0')
        {
            while (++i < n)
            {
                *s1++ = '\0';
            }
            return os1;
        }
    }
    return os1;
}