--- /dev/null
+/*
+ * testhandler.h
+ */
+#ifndef NETSNMP_INSTANCE_H
+#define NETSNMP_INSTANCE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The instance helper is designed to simplify the task of adding simple
+ * * instances to the mib tree.
+ */
+
+/*
+ * GETNEXTs are auto-converted to a GET.
+ * * non-valid GETs are dropped.
+ * * The client can assume that if you're called for a GET, it shouldn't
+ * * have to check the oid at all. Just answer.
+ */
+
+int netsnmp_register_instance(netsnmp_handler_registration
+ *reginfo);
+int
+netsnmp_register_read_only_instance(netsnmp_handler_registration *reginfo);
+
+#define INSTANCE_HANDLER_NAME "instance"
+
+netsnmp_mib_handler *netsnmp_get_instance_handler(void);
+
+int netsnmp_register_read_only_ulong_instance(const char *name,
+ oid * reg_oid,
+ size_t
+ reg_oid_len,
+ u_long * it,
+ Netsnmp_Node_Handler
+ * subhandler);
+int netsnmp_register_ulong_instance(const char *name,
+ oid * reg_oid,
+ size_t reg_oid_len,
+ u_long * it,
+ Netsnmp_Node_Handler *
+ subhandler);
+int netsnmp_register_read_only_counter32_instance(const char
+ *name,
+ oid *
+ reg_oid,
+ size_t
+ reg_oid_len,
+ u_long * it,
+ Netsnmp_Node_Handler
+ *
+ subhandler);
+int netsnmp_register_read_only_long_instance(const char *name,
+ oid * reg_oid,
+ size_t
+ reg_oid_len,
+ long *it,
+ Netsnmp_Node_Handler
+ * subhandler);
+int netsnmp_register_long_instance(const char *name,
+ oid * reg_oid,
+ size_t reg_oid_len,
+ long *it,
+ Netsnmp_Node_Handler *
+ subhandler);
+
+int netsnmp_register_read_only_int_instance(const char *name,
+ oid * reg_oid,
+ size_t reg_oid_len, int *it,
+ Netsnmp_Node_Handler *
+ subhandler);
+
+int netsnmp_register_int_instance(const char *name,
+ oid * reg_oid,
+ size_t reg_oid_len, int *it,
+ Netsnmp_Node_Handler *
+ subhandler);
+
+
+Netsnmp_Node_Handler netsnmp_instance_helper_handler;
+Netsnmp_Node_Handler netsnmp_instance_ulong_handler;
+Netsnmp_Node_Handler netsnmp_instance_long_handler;
+Netsnmp_Node_Handler netsnmp_instance_int_handler;
+Netsnmp_Node_Handler netsnmp_instance_counter32_handler;
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif /** NETSNMP_INSTANCE_H */