Struct arduino

You could also try this:

typedef struct {
  char a;
  char b;
} tes;

typedef struct {
  char t;
  tes e;
} tte;

void setup(){

}

void loop()
{
  tte SSte = {0,{1,0}}; //Initialise the new variable - I think this may be a gcc extension?
  if (SSte.e.a) 
  {
    delay(10);
  }
}