HANDLE FindNetUserHandle(LPCSTR acc)
{
	IJabberInterface *ji = getJabberApi(acc);
	if (!ji) return NULL;

	PBYTE m_psProto = *(PBYTE*)((PBYTE)ji + sizeof(*ji));	// see CJabberInterface	in jabber_proto.h

	PHANDLE pResult = (PHANDLE)(m_psProto +					// see CJabberProto in jabber_proto.h
		sizeof(PVOID) +										// skip vtable ptr
		sizeof(PVOID) +										// skip m_ThreadInfo
		SIZE_OF_JABBER_OPTIONS);							// skip m_options

	for (int i=0; i < 100; i++) {
		__try {
			if (GetNetlibHandleType(*pResult) == NLH_USER)
				break;
		}
		__except (EXCEPTION_EXECUTE_HANDLER){
		}
		pResult++;
	}

	assert(GetNetlibHandleType(*pResult) == NLH_USER);
	return *pResult;
}