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


/*
  char * str;		// pointer to a dynamic array of chars
  int size;		// how big is the string?
			//  allocation will be size+1 to allow storage as c-string
*/

// friend functions in this section

BString operator+(const BString& x, const BString& y)
{

}

bool operator<(const BString& x, const BString& y)
{

}

bool operator>(const BString& x, const BString& y)
{

}

bool operator<=(const BString& x, const BString& y)
{

}

bool operator>=(const BString& x, const BString& y)
{

}

bool operator==(const BString& x, const BString& y)
{

}

bool operator!=(const BString& x, const BString& y)
{

}

ostream& operator<< (ostream& os, const BString& x)
{
/*
   for (int i = 0; i < x.size; i++)
      os << x.str[i];
*/
   os << x.str;
   return os;
}

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

}

// member functions are below

BString::BString()
{
  size = 0;
  str = new char[1];	// allocation is size + 1
  str[0] = '\0';
}

BString::BString(const char* s)
// conversion from c-string to BString object
{
   size = strlen(s);
   str = new char[size+1];
   strcpy(str, s);	// can now use strcpy (because internal storage allows)

/*
   for (int i = 0; i < size; i++)
      str[i] = s[i];
*/
}

BString::BString(int x)
{

}

BString::~BString()
{

}

BString::BString(const BString& s)
{

}
  
BString& BString::operator=(const BString& s)
{

}

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

}

int BString::getSize() const
{

}

int BString::length() const
{

}

BString BString::substring(int index, int len) const
{

}