main(int argc, char **argv) { int me, count; void *data; ...This example illustrates the use of a collective communication.MPI_Init(&argc, &argv); MPI_Comm_rank(MPI_COMM_WORLD, &me);
if(me == 0) { /* get input, create buffer ``data'' */ ... }
MPI_Bcast(data, count, MPI_BYTE, 0, MPI_COMM_WORLD);
...
MPI_Finalize(); }