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// istringstream::rdbuf
#include <string> // std::string
#include <iostream> // std::cout
#include <sstream> // std::istringstream, std::stringbuf
int main () {
std::istringstream iss;
std::stringbuf *pbuf = iss.rdbuf();
// using stringbuf directly:
pbuf->str("Example string");
int size = pbuf->in_avail();
while (pbuf->in_avail()>0)
std::cout << static_cast<char>(pbuf->sbumpc());
return 0;
}
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