ex)

<A.h>

#ifndef _HEADER1_H_
#define _HEADER1_H_

class CB;
class CA
{
public:
       CA(){};
        ~CA(){};

        int m_Func(void);

public:
        CB* m_pCB;
};

#endif // _HEADER1_H_

 

<A.cpp>

#include "A.h"
#include "B.h"

int CA::m_Func(void)
{
       CB* l_pCB = new CB;

        return 1;
}

 

<B.h>

#ifndef _HEADER2_H_
#define _HEADER2_H_

class CA;
class CB
{
public:
        CB(){};
        ~CB(){};

        int m_Func(void);

public:
        CA* m_pCA;
};

#endif // _HEADER2_H_

 

<B.cpp>

#include "B.h"
#include "A.h"

int CB::m_Func(void)
{
        CA* l_pCA = new CA;

        return 1;
}
 

<main.cpp>

#include "A.h"
#include "B.h"

int main()
{
        return 1;
}