Added easy send receive example

Makefile

@@ -1,10 +1,11 @@
 MPICC = mpicc #The wrapper for the compiler
 CFLAGS += -g  #Useful for debug symbols
-all: helloworld hamlet
+all: helloworld hamlet easysendrec
 helloworld: helloworld.c
 	$(MPICC) $(CFLAGS) $(LDFLAGS) $? $(LDLIBS) -o $@
 hamlet: hamlet.c
 	$(MPICC) $(CFLAGS) $(LDFLAGS) $? $(LDLIBS) -o $@
-
+easysendrec: easysendrcv.c
+	$(MPICC) $(CFLAGS) $(LDFLAGS) $? $(LDLIBS) -o $@
 clean:
 	rm -f helloworld

easysendrcv.c

@@ -0,0 +1,18 @@
+#include "mpi.h"
+#include <string.h>
+#include <stdio.h>
+int main( int argc, char **argv){
+char message[20]; int myrank; MPI_Status status;
+MPI_Init(&argc, &argv);
+MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
+if (myrank == 0) {
+strcpy(message,"Hello, there");
+MPI_Send(message, strlen(message)+1, MPI_CHAR, 1, 99, MPI_COMM_WORLD);
+} else if (myrank == 1) {
+printf("Message contains: %s\n",message);
+MPI_Recv(message, 20, MPI_CHAR, 0, 99, MPI_COMM_WORLD,&status);
+printf("Received :%s:\n",message);
+}
+MPI_Finalize();
+return 0;
+}