std::streamsize gcount() const; |
Returns the number of characters extracted by the last unformatted input operation.
The following member functions of basic_istream
change the value of subsequent gcount()
calls:
The following functions set gcount()
to zero:
(none).
The number of characters extracted by the last unformatted input operation.
#include <iostream> #include <sstream> int main() { char x[20]; std::istringstream stream("Hello World"); stream.read(x, sizeof x); std::cout << "Characters extracted: " << stream.gcount(); }
Output:
Characters extracted: 11
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