Function kernel32::FormatMessageW

pub unsafe extern "system" fn FormatMessageW(
    dwFlags: DWORD, 
    lpSource: LPCVOID, 
    dwMessageId: DWORD, 
    dwLanguageId: DWORD, 
    lpBuffer: LPWSTR, 
    nSize: DWORD, 
    Arguments: *mut va_list
) -> DWORD