Function mpi::ffi::MPI_Dist_graph_create_adjacent

pub unsafe extern fn MPI_Dist_graph_create_adjacent(comm_old: MPI_Comm,
                                                    indegree: c_int,
                                                    sources: *const c_int,
                                                    sourceweights: *const c_int,
                                                    outdegree: c_int,
                                                    destinations: *const c_int,
                                                    destweights: *const c_int,
                                                    info: MPI_Info,
                                                    reorder: c_int,
                                                    comm_dist_graph: *mut MPI_Comm)
                                                    -> c_int