String &operator ( ) ( int pos, int len );
int operator == ( const String &ob )
const { return strcmp (ch, ob.ch) == 0; }
int operator != ( const String &ob )
const { return strcmp (ch, ob.ch) != 0; }
int operator ! ( )
const { return curLen == 0; }
String &operator = ( const String &ob );
String &operator += ( const String &ob );
char &operator [ ] ( int i );
int Find ( String pat ) const;
}
4
.
