Function mpi::ffi::MPI_Comm_spawn

pub unsafe extern fn MPI_Comm_spawn(command: *const c_char,
                                    argv: *mut *mut c_char,
                                    maxprocs: c_int,
                                    info: MPI_Info,
                                    root: c_int,
                                    comm: MPI_Comm,
                                    intercomm: *mut MPI_Comm,
                                    array_of_errcodes: *mut c_int)
                                    -> c_int