Welcome to advance GET mode, type ? for help.
get> sysUpTime.0
SNMPv2-MIB::sysUpTime.0 = Timeticks: (145211238) 16 days, 19:21:52.38
get> sysUpTime
SNMPv2-MIB::sysUpTime = No Such Instance currently exists at this OID
get> sysUpTime.0
SNMPv2-MIB::sysUpTime = No Such Instance currently exists at this OID
get> sdf
SNMPv2-MIB::sysUpTime = No Such Instance currently exists at this OID
get> sysContact.0
SNMPv2-MIB::sysContact = No Such Instance currently exists at this OID
get>


-------------------

void get_advance1(char *get_adv_val) {
                        pdu = snmp_pdu_create(SNMP_MSG_GET);


                            get_node(get_adv_val, id_oid, &id_len);

                                snmp_add_null_var(pdu, id_oid, id_len);
                            retry:
                            status = snmp_synch_response(sess_handle, pdu, &response);
                                 if (status == STAT_SUCCESS) {
                                          if (response->errstat == SNMP_ERR_NOERROR) {
                                                for (vars = response->variables; vars;
                                                        vars = vars->next_variable)
                                                        print_variable(vars->name, vars->name_length, vars);

                                          } else {
                                                fprintf(stderr, "Error in packet\nReason: %s\n",
                                                         snmp_errstring(response->errstat));

                                                 if (response->errindex != 0) {
                                                     fprintf(stderr, "Failed object: ");
                                                     for (count = 1, vars = response->variables;
                                                          vars && count != response->errindex;
                                                          vars = vars->next_variable, count++)
                                                         /*EMPTY*/;
                                                 if (vars) {
                                                     fprint_objid(stderr, vars->name, vars->name_length);
                                        }                                                                                                                                                                     fprintf(stderr, "\n");

                                         }
                                        exitval = 2;
                                        /*
                                         *
                                         * retry if the errored variable was successfully removed
                                         */
                                        if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID,
                                                        NETSNMP_DS_APP_DONT_FIX_PDUS)) {
                                           pdu = snmp_fix_pdu(response, SNMP_MSG_GET);
                                           snmp_free_pdu(response);
                                           response = NULL;
                                           if (pdu != NULL) {
                                               goto retry;
                                        }
                                         }
                                      }                       /* endif -- SNMP_ERR_NOERROR */

                                 } else if (status == STAT_TIMEOUT) {
                                     fprintf(stderr, "Timeout: No Response from %s.\n",
                                              session.peername);
                                exitval = 1;

                                } else {                    /* status == STAT_ERROR */
                                    snmp_sess_perror("snmpget", sess_handle);
                                    exitval = 1;
                                }                           /* endif -- STAT_SUCCESS */

}