UNICODE字符串赋值给WSABUF的成员buf,编译出现警告,该如何解决

UNICODE字符串赋值给WSABUF的成员buf,编译出现警告
wchar_t szMessage[128]; 
WSABUF Buffer;
Buffer.len=128;
Buffer.buf=szMessage;
 编译出现:
warning C4133: '=' : incompatible types - from 'unsigned short *' to 'char *'

如何解决?

[解决办法]
Buffer.buf=(char *)szMessage;

[解决办法]
WideCharToMultiByte