http://www.eyny.com/viewthread.php?tid=5748529

forcetw20101226b001.cpp

// @eyny@Force[TW]@
#include "forcetw20101226b001.h"
//
CStrTok::CStrTok(void)
{
	this->m_str.clear();
	this->m_token = NULL;
	this->m_vstr.clear();
}
CStrTok::CStrTok(const string str)
{
	if ( str.empty() )
	{
		return;
	}
	stringstream ss(str);
	ss >> this->m_str;
	ss >> this->m_token;
	this->m_vstr.clear();
	this->Token();
}
CStrTok::~CStrTok(void)
{
	this->m_str.clear();
	this->m_token = NULL;
	this->m_vstr.clear();
}
void CStrTok::setString(const string str)
{
	if ( str.empty() )
	{
		return;
	}
	stringstream ss(str);
	ss >> this->m_str;
	ss >> this->m_token;
	this->m_vstr.clear();
	this->Token();
}
void CStrTok::Token(void)
{
	if ( this->m_str.empty() )
	{
		return;
	}
	string buffer = this->m_str;
	unsigned int i = 0;
	for (; i < buffer.size(); i ++)
	{
		if ( buffer[i] == this->m_token )
		{
			buffer[i] = ' ';
		}
	}
	stringstream ss(buffer);
	buffer.clear();
	while ( ss >> buffer )
	{
		this->m_vstr.push_back(buffer);
	}
}
void CStrTok::Print(void)
{
	if ( this->m_vstr.empty() )
	{
		return;
	}
	for (vStr::iterator it = this->m_vstr.begin(); it != this->m_vstr.end(); it ++)
	{
		cout << (*it) << endl;
	}
}

forcetw20101226b001.h

// @eyny@Force[TW]@
#ifndef _FORCETW20101226B001_H_
#define _FORCETW20101226B001_H_
//
#include <iostream>
#include <string>
#include <vector>
#include <sstream>
using namespace std;
//
typedef vector<string> vStr;
//
class CStrTok
{
public:
	string m_str;
	char m_token;
	vStr m_vstr;
	CStrTok(void);
	CStrTok(const string str);
	~CStrTok(void);
	void setString(const string str);
	void Token(void);
	void Print(void);
};
//
#endif

main.cpp

// @eyny@Force[TW]@
// Integrated Development Environment
// Visual C++
#include <iostream>
#include <string>
#include "forcetw20101226b001.h"
using namespace std;
//
int main(int argc, char** argv)
{
	CStrTok* st = new CStrTok();
	string str;
	while ( getline(cin, str) )
	{
		st->setString(str);
		st->Print();
		cout << endl;
		str.clear();
	}
	delete st;
	return (0);
}