#include <stdio.h>
#include "mpi.h"
int main( int argc, char **argv ) {
  char message[20]; 
  int myrank; 
  MPI_Status status; 
  MPI_Init( NULL, NULL ); 
  MPI_Comm_rank( MPI_COMM_WORLD, &myrank ); 
  if (myrank == 0)	/* code for process zero */ {
    strcpy(message,"Hello, there"); 
    MPI_Send(message, strlen(message)+1, MPI_CHAR, 1, 99, MPI_COMM_WORLD);
  } else if (myrank == 1) /* code for process one */ {
    MPI_Recv(message, 20, MPI_CHAR, 0, 99, MPI_COMM_WORLD, &status); 
    printf("received :%s:\n", message);
  } 
  MPI_Finalize();
}