strlwr, wcslwr
These POSIX functions are deprecated beginning in Visual C++ 2005. Use the ISO C++ conformant _strlwr, _wcslwr, _mbslwr, _strlwr_l, _wcslwr_l, _mbslwr_l or security-enhanced _strlwr_s, _strlwr_s_l, _mbslwr_s, _mbslwr_s_l, _wcslwr_s, _wcslwr_s_l instead.