#include "pvm3.h"#include <stdio.h>#include<malloc.h>main(){   int mytid;   int i, sum, *a;   int num_data, master;   /* enroll in PVM */   mytid = pvm_mytid();   /* receive portion of array to be summed */   pvm_recv(-1, -1);   pvm_upkint(&num_data, 1, 1);   a = (int *) malloc(num_data*sizeof(int));   pvm_upkint(a, num_data, 1);   sum = 0;   for(i = 0; i < num_data; i++)      sum += a[i];   /* send computed sum back to master */   master = pvm_parent();   pvm_initsend(PvmDataRaw);   pvm_pkint(&sum, 1, 1);   pvm_send(master, 7);   pvm_exit();}