log_windows.go
func setConsoleTextAttribute(f file, attribute uint16) bool {
	ok, _, _ := setConsoleTextAttributeProc.Call(f.Fd(), uintptr(attribute), 0)
	return ok != 0
}
func setConsoleTextAttribute(f file, attribute uint16) bool {
	ok, _, _ := setConsoleTextAttributeProc.Call(f.Fd(), uintptr(attribute), 0)
	return ok != 0
}
// setConsoleTextAttribute sets the attributes of characters written to the
// console screen buffer by the WriteFile or WriteConsole function.
// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms686047(v=vs.85).aspx.