#include#include using namespace std; int main() { ifstream file("example.txt"); if (file.is_open()) { streambuf* pbuf = file.rdbuf(); char c; while (pbuf->sgetc() != EOF) { c = pbuf->sgetc(); cout << c; pbuf->sbumpc(); } file.close(); } return 0; }
#includeIn this example, we read a string of up to 10 characters from the console using the std::cin stream. We then use the std::istream rdbuf function to get the stream buffer object associated with std::cin. We use the stream buffer object to read the characters entered by the user, and output the string and number of characters read to the console. The std::istream rdbuf function is part of the C++ Standard Library, which is included as part of the C++ language specification. Therefore, it does not require any additional package or library to use.using namespace std; int main() { char input[10]; cout << "Enter a string: "; cin >> input; streambuf* pbuf = cin.rdbuf(); int charsRead = pbuf->sgetn(input, 10); cout << "You entered: " << input << endl; cout << "Chars read: " << charsRead << endl; return 0; }