#include <stdio.h>
#include <upc.h>
#include <stdlib.h>
typedef struct {
  shared void *sp;
  void *p;
  int x;
} S;
shared int sh[100*THREADS];
int a;
int main() {
 static int b;
 int c;


 S list[4];

list[0].sp = &(sh[0]);
list[0].p = &a;
list[0].x = 4;

list[1].sp = &(sh[10]);
list[1].p = &b;
list[1].x = 0;

list[2].sp = NULL;
list[2].p = &c;
list[2].x = 10;

list[3].sp = NULL;
list[3].p = NULL;
list[3].x = 0;


 if (list[0].sp != &(sh[0])) printf("ERROR at %i\n",__LINE__);
 if (list[0].p != &a) printf("ERROR at %i\n",__LINE__);
 if (list[0].x != 4) printf("ERROR at %i\n",__LINE__);

 if (list[1].sp != &(sh[10])) printf("ERROR at %i\n",__LINE__);
 if (list[1].p != &b) printf("ERROR at %i\n",__LINE__);
 if (list[1].x != 0) printf("ERROR at %i\n",__LINE__);

 if (list[2].sp != NULL) printf("ERROR at %i\n",__LINE__);
 if (list[2].p != &c) printf("ERROR at %i\n",__LINE__);
 if (list[2].x != 10) printf("ERROR at %i\n",__LINE__);

 if (list[3].sp != NULL) printf("ERROR at %i\n",__LINE__);
 if (list[3].p != NULL) printf("ERROR at %i\n",__LINE__);
 if (list[3].x != 0) printf("ERROR at %i\n",__LINE__);

 printf("done.\n");
 return 0;
}