3.3 C++ String Library Functions

	string()

	string( const char *str )

	string( const char *str, size˙type length )

basic˙string	&append( const basic˙string &str )

basic˙string	& append( const char *str )

basic˙string	& assign( const basic˙string &str )

basic˙string	& assign( const char *str )

int	compare( const basic˙string &str )

int	compare( const char *str )

iterator	begin() end()

size˙type	find( const basic˙string &str, size˙type index )

size˙type	find( const char *str, size˙type index )

size˙type	find( char ch, size˙type index )

size˙type	length()

size˙type	max˙size()

basic˙string	&replace( size˙type index, size˙type num, const char *str )

basic˙string	substr( size˙type index, size˙type num = npos )