//---------------------------------------------------------------------------
#include <iostream>
#include <string>
#include <map>
#pragma hdrstop

typedef void (*FUNC_PTR)(void);
typedef std::map<std::string,FUNC_PTR> FUNC_MAP;

void foo(void)
{
    std::cout << "call function 'foo'" << std::endl;
}
//---------------------------------------------------------------------------

void bar(void)
{
    std::cout << "call function 'bar'" << std::endl;
}
//---------------------------------------------------------------------------

#pragma argsused
int main(int argc, char* argv[])
{
    FUNC_MAP func_map;
    func_map["foo"]=&foo;
    func_map["bar"]=&bar;

    std::string input;
    std::cout << "input function name: ";
    std::cin >> input;
   
    FUNC_MAP::iterator iterator=func_map.find(input);
    if(iterator!=func_map.end())
    {
        (iterator->second)();
    } else
    {
        std::cout << "can't find function '" << input << "'" << std::endl;
    }

    return 0;
}
//---------------------------------------------------------------------------