#include <stdio.h>
#include <signal.h>
#include <termios.h>
#include <unistd.h>
#include <fcntl.h>

struct termios tty, old_tty;

main()
{
	int n, flags;
	char buf[512];
	
	tcgetattr(STDIN_FILENO, &old_tty);
	tcgetattr(STDIN_FILENO, &tty);
 	tty.c_lflag &= ~ICANON; 
	tcsetattr(STDIN_FILENO, TCSANOW, &tty);
#if 1
	flags = fcntl(STDIN_FILENO, F_GETFL, 0);
	flags |= O_NONBLOCK;
	fcntl(STDIN_FILENO, F_SETFL, flags);
#endif
/*	n = read(STDIN_FILENO, buf, 10);  */
	n = fread(buf, 1, 10, stdin); 
	printf("Numread: %d\n", n);
	if(feof(stdin))
		printf("EOF\n");

#if 1
	flags &= ~O_NONBLOCK;
	fcntl(STDIN_FILENO, F_SETFL, flags);
#endif
	tcsetattr(STDIN_FILENO, TCSANOW, &old_tty);
	exit(0);
}
.