Function mpi::ffi::PMPI_T_pvar_handle_alloc

pub unsafe extern fn PMPI_T_pvar_handle_alloc(session: MPI_T_pvar_session,
                                              pvar_index: c_int,
                                              obj_handle: *mut c_void,
                                              handle: *mut MPI_T_pvar_handle,
                                              count: *mut c_int)
                                              -> c_int