Function MPI_Fetch_and_op

pub unsafe extern "C" fn MPI_Fetch_and_op(
    origin_addr: *const c_void,
    result_addr: *mut c_void,
    datatype: MPI_Datatype,
    target_rank: c_int,
    target_disp: MPI_Aint,
    op: MPI_Op,
    win: MPI_Win,
) -> c_int