wchar_t和char转化

char* WcharToChar(const wchar_t* wp)
{
	char *m_char;
	int len = WideCharToMultiByte(CP_ACP, 0, wp, wcslen(wp), NULL, 0, NULL, NULL);
	m_char = new char[len + 1];
	WideCharToMultiByte(CP_ACP, 0, wp, wcslen(wp), m_char, len, NULL, NULL);
	m_char[len] = '\0';
	return m_char;
}
wchar_t* CharToWchar(const char* c)
{
	wchar_t *m_wchar;
	int len = MultiByteToWideChar(CP_ACP, 0, c, strlen(c), NULL, 0);
	m_wchar = new wchar_t[len + 1];
	MultiByteToWideChar(CP_ACP, 0, c, strlen(c), m_wchar, len);
	m_wchar[len] = '\0';
	return m_wchar;
}