void _main(){long long * data;_union_type my_union;data=(long long *)malloc(100);my_union.a=data;{long long * data=my_union.b;data[0]=5L;printLongLongLine(data[0]);free(data);}}
static void main(){long long * data;_union_type my_union;data=(long long *)malloc(100);my_union.a=data;{long long * data=my_union.b;if (data!=NULL){data[0]=5L;printLongLongLine(data[0]);free(data);}}}