#define buf_size 128
-mydelay () /* about 6 seconds */
+int mydelay () /* about 6 seconds */
{
int i;
int val;
int rank = -1;
int tag1 = 31;
int tag2 = 32;
- int comm = MPI_COMM_WORLD;
+ MPI_Comm comm = MPI_COMM_WORLD;
char processor_name[128];
int namelen = 128;
int buf0[buf_size];