Function mpi_sys::MPI_Sendrecv

pub unsafe extern "C" fn MPI_Sendrecv(
    sendbuf: *const c_void, 
    sendcount: c_int, 
    sendtype: MPI_Datatype, 
    dest: c_int, 
    sendtag: c_int, 
    recvbuf: *mut c_void, 
    recvcount: c_int, 
    recvtype: MPI_Datatype, 
    source: c_int, 
    recvtag: c_int, 
    comm: MPI_Comm, 
    status: *mut MPI_Status
) -> c_int