Exempel på input m.h.a. termio:

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

int main(int argc, char **argv)
{
	char c;
	struct termios buf, savebuf;

	tcgetattr(STDIN_FILENO, &savebuf);
	tcgetattr(STDIN_FILENO, &buf);
	buf.c_lflag &= ~(ICANON | ECHO);
	buf.c_cc[VMIN] = 1;
	buf.c_cc[VTIME] = 0;
	tcsetattr(STDIN_FILENO, TCSANOW, &buf);
	printf("Enter one character: ");
	fflush(stdout);
	if ((read(STDIN_FILENO, &c, 1)) != 1)
		perror("Input error");
	else
		printf("\nYou entered: %c.\n", c);
	tcsetattr (0, TCSAFLUSH, &savebuf);

	exit(0);
}