Function mpi::ffi::MPI_Improbe

pub unsafe extern fn MPI_Improbe(source: c_int,
                                 tag: c_int,
                                 comm: MPI_Comm,
                                 flag: *mut c_int,
                                 message: *mut MPI_Message,
                                 status: *mut MPI_Status)
                                 -> c_int