class bcString {
public:
//...
  friend bool operator==( const bcString &sTextA, const bcString &sTextB );
//...
protected:
//...
  char *_data;
//...
};

//...

/*
====================
bcString::operator==

  Compares the two strings given case-sensitively.
====================
*/
bool operator==( const bcString &sTextA, const bcString &sTextB ) {
  return !strcmp( sTextA._data, sTextA._data );
}