@ stub SnmpMgrClose
@ stub SnmpMgrCtl
@ stub SnmpMgrGetTrap
@ stub SnmpMgrGetTrapEx
@ stub SnmpMgrOidToStr
@ stdcall SnmpMgrOpen(str str long long)
@ stub SnmpMgrRequest
@ stub SnmpMgrStrToOid
@ stdcall SnmpMgrTrapListen(ptr)