Function mpi::ffi::PMPI_Dist_graph_create_adjacent

pub unsafe extern fn PMPI_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