Function mpi::ffi::PMPI_Improbe

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