Listing 1: Header file for trace API

// QMonitorAPI.h
#ifndef _QMONITOR_API_
#define _QMONITOR_API_

#include <windows.h>

void Display(const char* frmt,...);

class Tracer
{
private:
    char* pTitle;

public:
    Tracer(const char* szTitle);
    ~Tracer();
};
#endif