How to send a variable of type struct in MPI_Send()?

Question

I have coded a program in C using MPI wherein the struct variable is to be sent in a ring fashion to the processes and, based on the value received from that variable, the work

Answer 1

try this

MPI_Send(&stat,sizeof(struct info),MPI_CHAR,1,2,MPI_COMM_WORLD);
MPI_Recv(&data,sizeof(struct info), MPI_CHAR, 0, DEFAULT_TAG, MPI_COMM_WORLD, &status);
stat = (struct info *) data;