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- #ifndef STRING1_H_
- #define STRING1_H_
- #include <iostream>
- using std::ostream;
- using std::istream;
- class String
- {
- private:
- char * str;
- int len;
- static int num_strings;
- static const int CINLIM = 80;
- public:
- String(const char * s);
- String();
- String(const String &);
- ~String();
- int length () const { return len; }
- String & operator=(const String &);
- String & operator=(const char *);
- char & operator[](int i);
- const char & operator[](int i) const;
- friend bool operator<(const String &st, const String &st2);
- friend bool operator>(const String &st1, const String &st2);
- friend bool operator==(const String &st, const String &st2);
- friend ostream & operator<<(ostream & os, const String & st);
- friend istream & operator>>(istream & is, String & st);
- static int HowMany();
- };
- #endif
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