MPI_2_status

#include <mpi.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char** argv) {
    MPI_Init(&argc, &argv);
    int world_size;
    MPI_Comm_size(MPI_COMM_WORLD, &world_size);
    int rank;
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);

    printf("process: #%d", rank);

    //comunication
    if (rank == 0) {
        char helloMessage[] = "proc1";
        MPI_Send( helloMessage, 6, MPI_CHAR, 1, 0, MPI_COMM_WORLD);
        //printf("process 1 send: %d", number);
    }
    else if (rank == 1) {
        MPI_Status mpi_status;
        int number_of_data;

        char message[6];
        MPI_Recv( message, 6, MPI_CHAR, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &mpi_status);
        printf("process 2 recv: %s", message);

        //get info
        MPI_Get_count(&mpi_status, MPI_CHAR, &number_of_data);
        printf("\nNumber of data: %d, source: %d, tag: %d", number_of_data, mpi_status.MPI_SOURCE, mpi_status.MPI_TAG );
    }

    MPI_Finalize();
}