PF_AT_TABLENAME
snl_add_msg_attr_string(nw, PF_AT_TABLENAME, addr->v.tblname);
{ .type = PF_AT_TABLENAME, .off = _OUT(v.tblname), .arg = (void *)PF_TABLE_NAME_SIZE, .cb = snl_attr_copy_string },
{ .type = PF_AT_TABLENAME, .off = _OUT(v.tblname), .arg = (void *)PF_TABLE_NAME_SIZE, .cb = nlattr_get_chara },
nlattr_add_string(nw, PF_AT_TABLENAME, a->v.tblname);