#include <stdio.h>
#include <mpi.h>
-int ibm_test(int rank, int size) {
+static int ibm_test(int rank, int size) {
#define MAXLEN 10000
/**
* small test: the root sends a single distinct double to other processes
**/
-int small_test( int rank, int size ) {
+static int small_test( int rank, int size ) {
int success=1;
int retval;
int sendcount=1; // one double to each process
