apt-get install libprotobuf-dev libprotobuf-c0 libprotobuf-c0-dev 
apt-get install libprotobuf6 protobuf-compiler protobuf-c-compiler

message Person {
	required string name=1;
	required int32 id=2;
	optional string email=3;

	enum PhoneType {
		MOBILE=0;
		HOME=1;
		WORK=2;
	}

	message PhoneNumber {
		required string number=1;
		optional PhoneType type=2 [default=HOME];
	}

	repeated PhoneNumber phone=4;
}

protoc --cpp_out=cpp/ fuck.proto

#include "fuck.pb.h"                                                                                                                       
#include <fstream>
#include <iostream>

using namespace std;

int main(int argc,const char** argv)
{
	if(argc == 1)
	{   
		Person person;
		person.set_name("John Doe");
		person.set_id(1234);
		person.set_email("jdoe@example.com");
		fstream output("myfile",ios::out | ios::binary);
		person.SerializeToOstream(&output);
	}   
	else
	{   
		fstream input("myfile",ios::in | ios::binary);
		Person person;
		person.ParseFromIstream(&input);
		cout << "Name: " << person.name() << endl;
		cout << "E-mail: " << person.email() << endl;
	}   
}

g++ main.cpp fuck.pb.cc -g -lprotobuf -lpthread