C / C++ / MFC

if(arrayptr[pdi->itemID] == NULL)
	        arrayptr[pdi->itemID] = new char(9);
	memset(arrayptr[pdi->itemID], 0x00, 9);
	memcpy(arrayptr[pdi->itemID], lpszText, 8);

class Casidcombo :	public CComboBox
{
	DECLARE_DYNAMIC(Casidcombo)
	private:
		int cright, cbottom, ctop;

public:
	Casidcombo();
	~Casidcombo();
	char **arrayptr;
protected:
	
	virtual void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);
	virtual void DrawItem(LPDRAWITEMSTRUCT pdi);
	virtual int CompareItem(LPCOMPAREITEMSTRUCT lpCompareItemStruct);
	virtual void DeleteItem(LPDELETEITEMSTRUCT lpDeleteItemStruct);
	DECLARE_MESSAGE_MAP()
};

m_Simple.arrayptr = new char *[j+1];
	for (int i = 0; i < j + 1; i++)
		m_Simple.arrayptr[i] = NULL;

if(arrayptr[pdi->itemID] == NULL)
	        arrayptr[pdi->itemID] = new char(9);
	memset(arrayptr[pdi->itemID], 0x00, 9);
	memcpy(arrayptr[pdi->itemID], lpszText, 8);

dc.DrawText(
		arrayptr[pdi->itemID],
		8,
	    &pdi->rcItem,
		DT_CENTER | DT_SINGLELINE | DT_VCENTER);

ShowWindow(SW_SHOW);
	ShowWindow(SW_SHOW);

		return TRUE;

This is my message map I only have a Measure Item Message
BEGIN_MESSAGE_MAP(Casidcombo, CComboBox)
		ON_WM_MEASUREITEM()
	    	END_MESSAGE_MAP()

undefined reference

bluetooth/hci_lib.h

<pre>
#ifndef MODULES_M_BT_H_
#define MODULES_M_BT_H_

#include <iostream>
#include <stdint.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>

<pre>int C_BT::Scan(void) {
	cout << "C_BT::Scan(void)   " << endl;
	// Get bluetooth device id
	int device_id = hci_get_route(NULL); // Passing NULL argument will retrieve the id of first avalaibe device
	if (device_id < 0) {
		printf("Error: Bluetooth device not found");
		exit(1);
	}
	return 0;
}

./src/MODULES/M_BLUETOOTH/CBT.o: In function `std::C_BT::Scan()':
/media/jim/DEV/eclipse-workspace/VNAR_1204/Debug/../src/MODULES/M_BLUETOOTH/CBT.cpp:42: undefined reference to `hci_get_route'
collect2: error: ld returned 1 exit status
makefile:75: recipe for target 'VNAR_1204' failed
make: *** [VNAR_1204] Error 1