istrstream.cpp

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#include <iostream>    // for cout
#include <strstream>   // for strstream
 
#include <examples.h>
 
 
int main ()
{
    // create two constant istrstream objects and initialize their
    // underlying strstreambufs with string literals; the objects
    // do not create copies of the literals but use them directly
    // for efficiency
    std::istrstream a ("Ce n'est pas l'homme qui prend la mer, ");
    std::istrstream b ("c'est la mer qui prend l'homme.");
 
    // create a dynamic strstream object
    std::strstream out;
 
    // output the contents of the streams into out
    out << a.rdbuf () << b.str () << '\n';
  
    // output the contents of out to standard output
    std::cout << out.rdbuf () << '\n';
  
    // output the contents of the stream objects to standard output
    std::cout << a.str () << '\n' << b.rdbuf () << '\n';
 
    // the dtors of a and b will not release any storage
    // since the objects did not allocate any
 
    // the dtor of out will release allocated storage since
    // neither freeze() nor str() was called on the object
 
    return 0;
}