#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <iostream>

using namespace std;

int
main(int argc, char* argv[])
{
	char* file = argv[1];
	int fd = open(file, O_RDONLY);
	if (fd == -1)
	{
		cerr << "open() failed with errno = " << errno << endl;
		exit(1);
	}

	cout << "Enter any character (and CF) to continue..." << endl;
	char c;
	cin >> c;

	int status = close(fd);
	if (status == -1)
	{
		cerr << "close() failed with errno = " << errno << endl;
		exit(1);
	}

	exit(0);
}