[$] Ushering out strlcpy()

With all of the complex problems that must be solved in the kernel, onemight think that copying a string would draw little attention. Even withthe hazards that C strings present, simply moving some bytes should not beall that hard. But string-copy functions have been a frequent subject ofdebate over the years, with different variants being in fashion at times.Now it seems that the BSD-derived strlcpy() functionmay finally be on its way out of the kernel.