public CString(string str, CEncoding env = CEncoding.Ascii)
{
Enc = env.ToEncoding();
Str = str;
var data = Enc.GetBytes(str + '\0');
Size = data.Length;
Alloc(Size);
Marshal.Copy(data, 0, Ptr, Size);
}
public static int GetStride(this CEncoding self) => self.ToEncoding().GetStride();