#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>

int main()
{
	printf("First: print to stdout \n");
	dup2(1,4);
	close(1);
	open("redirect_out.txt",O_CREAT,0777|O_RDWR);
	printf("Second: print to redirect \n");
	dup2(4,1);
	printf("Third: print to stdout \n");
	return 0;

}