nwam_ncp_get_read_only
extern nwam_error_t nwam_ncp_get_read_only(nwam_ncp_handle_t, boolean_t *);
err = nwam_ncp_get_read_only(ncph, readp);
if ((err = nwam_ncp_get_read_only(ncph, &read_only)) != NWAM_SUCCESS)
if ((err = nwam_ncp_get_read_only(ncph, &read_only)) != NWAM_SUCCESS)