void _main(){twoints * data;twoints * *data_ptr1=&data;twoints * *data_ptr2=&data;data=NULL;{twoints * data=*data_ptr1;data=NULL;}{twoints * data=*data_ptr2;printStructLine(data);}}
static void main(){twoints * data;twoints * *data_ptr1=&data;twoints * *data_ptr2=&data;data=NULL;{twoints * data=*data_ptr1;{twoints tmp;tmp.a=0;tmp.b=0;data=&tmp;}}{twoints * data=*data_ptr2;printStructLine(data);}}