formatted C code in lab3

lab3/game_of_life-one_sided-prototype.c

@@ -15,8 +15,8 @@
 
 #define NSTEPS 500
 
-int main(int argc, char *argv[]){
-
+int main(int argc, char *argv[])
+{
   int i, j, n, im, ip, jm, jp, nsum, isum, isum1, nprocs ,myid, ierr;
   int ig, jg, i1g, i2g, j1g, j2g, ninom, njnom, ninj, i1, i2, i2m,
       j1, j2, j2m, ni, nj, isumloc,igrid;

lab3/hello_mpi.c

 #include <stdio.h>
 #include <mpi.h>
 
-int main (int argc, char *argv[]) {
-
+int main (int argc, char *argv[])
+{
   int myrank, size;
 
   MPI_Init(&argc, &argv);
@@ -11,4 +11,6 @@ int main (int argc, char *argv[]) {
   printf("Processor %d of %d: Hello World!\n", myrank, size);
 
   MPI_Finalize();
+
+  return 0;
 }

lab3/mpi_bandwidth-nonblock.c

@@ -157,5 +157,6 @@ if (rank >= numtasks/2) {
 
   MPI_Finalize();
 
+  return 0;
 }  /* end of main */
 

lab3/mpi_bandwidth.c

@@ -154,4 +154,5 @@ if (rank >= numtasks/2) {
 
   MPI_Finalize();
 
+  return 0;
 }  /* end of main */

lab3/mpi_latency.c

@@ -108,5 +108,6 @@ else if (rank == 1) {
   }
 
   MPI_Finalize();
-exit(0);
+
+  return 0;
 }

lab3/simple_1d_topology.c

 #include "mpi.h"
 #include <stdio.h>
 #include <stdlib.h>
-int main(int argc, char *argv[]){
-
+int main(int argc, char *argv[])
+{
   int nprocs,myid,period,cart_id;
   int plus_one,minus_one,cart_position;
 
@@ -26,5 +26,7 @@ int main(int argc, char *argv[]){
   printf("myid = %d cart_id=%d cart_position=%d plus_one=%d minus_one=%d\n",myid,cart_id,cart_position,plus_one,minus_one);
   
   MPI_Finalize();
+
+  return 0;
 }