#include <iostream>
#include <cstring>
#include "bstring.h"

using namespace std;

/*
   char* str;		// pointer to dynamically allocated string
			//  stored as a char array
   int size;		// tracking variable, size of string
			//  allocated space will always be size + 1
*/

bool operator< (const BString& b1, const BString& b2)
{

}
   
bool operator> (const BString& b1, const BString& b2)
{

}

bool operator<= (const BString& b1, const BString& b2)
{

}

bool operator>= (const BString& b1, const BString& b2)
{

}

bool operator== (const BString& b1, const BString& b2)
{

}

bool operator!= (const BString& b1, const BString& b2)
{

}

BString operator+(const BString& b1, const BString& b2)
{

}

ostream& operator<< (ostream& os, const BString& bs)
// print the string stored in bs
{
   os << bs.str;
   return os;
}

istream& operator>> (istream& is, BString& bs)
{

}


BString::BString()
// build an empty string
{
   size = 0;
   str = new char[size+1];
   str[0] = '\0';
}

BString::BString(const char* s)
{
   size = strlen(s);
   str = new char[size+1];
   strcpy(str, s);
}
				//  create string from a c-string
BString::~BString()
{
   delete [] str;
}

BString::BString(const BString& bs)
{
    size = bs.size;
    str = new char[size+1];
    strcpy(str, bs.str);
}

BString& BString::operator=(const BString& bs)
{

  if (this != &bs)
  {
    if (str != 0)
       delete [] str;		// clean up previous stuff

    size = bs.size;
    str = new char[size+1];
    strcpy(str, bs.str);
  }

  return *this;
}

BString& BString::operator+= (const BString& bs)
{

}

int BString::Size() const
{

}

BString BString::Substring(int start, int length) const
{

}

void BString::Resize(int newsize)
{

}