ostrstream man page on SunOS

ostrstream man page on SunOS

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ostrstream(3C++)		       -		      ostrstream(3C++)

Standard C++ Library Copyright 1998, Rogue Wave Software, Inc.

NAME
       ostrstream

	- Writes to an array in memory.

SYNOPSIS
       #include <strstream>
       class ostrstream
       : public basic_ostream<char>

DESCRIPTION
       The  class  ostrstream  writes to an array in memory. It uses a private
       strstreambuf_object to control the associated array object. It inherits
       from  basic_ostream<char>  and  therefore can use all the formatted and
       unformatted output functions.

       This is a deprecated feature and might not be available in future  ver‐
       sions.

INTERFACE
       class ostrstream
       : public basic_ostream<char> {

       public:

 typedef char_traits<char>	       traits;

 typedef char			      char_type;
 typedef typename traits::int_type    int_type;
 typedef typename traits::pos_type    pos_type;
 typedef typename traits::off_type    off_type;

 ostrstream();
 ostrstream(char *s, int n,
	    ios_base::openmode = ios_base::out);

 virtual ~ostrstream();

 strstreambuf *rdbuf() const;
 void freeze(int freezefl = 1);
 char *str();
 int pcount() const;

};

TYPES
       char_type

   The type char_type is a synonym of type char.

int_type

   The type int_type is a synonym of type traits::in_type.

off_type

   The type off_type is a synonym of type traits::off_type.

pos_type

   The type pos_type is a synonym of type traits::pos_type.

traits

   The type traits is a synonym of type char_traits<char>.

CONSTRUCTORS
       ostrstream();

   Constructs  an  object  of  class  ostrstream,  initializing the base class
   basic_ostream<char> with the associated strstreambuf object. The strstream‐
   buf	object	is  initialized	 by calling its default constructor strstream‐
   buf().

ostrstream(char* s, int n, ios_base::openmode
	  mode = ios_base::out);

   Constructs an object of  class  ostrstream,	initializing  the  base	 class
   basic_ostream<char> with the associated strstreambuf object. The strstream‐
   buf object is initialized by calling one of two constructors:

	-    If mode & app == 0, it calls strstreambuf(s,n,s)

	-    Otherwise it calls strstreambuf(s,n,s + ::strlen(s)).RE

DESTRUCTORS
virtual ~ostrstream();

   Destroys an object of class ostrstream.

MEMBER FUNCTIONS
       void
       freeze(bool freezefl = 1);

   If the mode is dynamic, alters the  freeze  status  of  the	dynamic	 array
   object as follows:

	-    If	 freezefl  is  false,  the  function sets the freeze status to
	     frozen.

	-    Otherwise, it clears the freeze status..RE

int
pcount() const;

   Returns the size of the output sequence.

strstreambuf*
rdbuf() const;

   Returns a pointer to the private strstreambuf object	 associated  with  the
   stream.

char*
str();

   Returns a pointer to the underlying array object, which may be null.

EXAMPLE
       See strstream, istrstream and strstreambuf examples.

SEE ALSO
       char_traits(3C++), ios_base(3C++), basic_ios(3C++), strstreambuf(3C++),
       istrstream(3C++), strstream(3C++)

       Working Paper for Draft Proposed International Standard for Information
       Systems--Programming  Language C++, Annex D Compatibility features Sec‐
       tion D.6.3

STANDARDS CONFORMANCE
       ANSI X3J16/ISO WG21 Joint C++ Committee

Rogue Wave Software		  02 Apr 1998		      ostrstream(3C++)

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