internal static IntPtr SCardListReaderGroups(
     [In] IntPtr hContext,
     [Out] byte[] mszGroups,
     [In, Out] ref IntPtr pcchGroups)
 {
     if (_osUnixPlatform == OSUnixPlatform.Linux)
     {
         return(LinuxNativeMethods.SCardListReaderGroups(hContext, mszGroups, ref pcchGroups));
     }
     else if (_osUnixPlatform == OSUnixPlatform.OSX)
     {
         return(OSXNativeMethods.SCardListReaderGroups(hContext, mszGroups, ref pcchGroups));;
     }
     else
     {
         throw new NotImplementedException();
     }
 }