C++ read from binary file.

read_bytes_in_file.cpp

#include <iostream>
#include <fstream>
using namespace std;



int main()
{
	ifstream in;
	in.open("in.bin", ios::in | ios::binary);

	// check open file for write
	if (!in.is_open()) {
		cerr << "Error in open file './in.bin'" << endl;
		return 1;
	}

	// read integer - '111' in hex is '6f'
	int num;
	in.read((char*)&num, sizeof(num));
	cout << "Integer: " << num << endl;

	// read char - 'e' in hex is '65'
	char ch;
	in.read((char*)&ch, sizeof(ch));
	cout << "Char: " << ch << endl;

	// close
	in.close();

	return 0;
}