QB64-PE/internal/source/ret220.txt

if (next_return_point){
next_return_point--;
switch(return_point[next_return_point]){
case 0:
error(3);
break;
case 154:
goto RETURN_154;
break;
case 155:
goto RETURN_155;
break;
case 156:
goto RETURN_156;
break;
}
}
error(3);