/*
 *  screen(1) filter to simulate the speed of a physical serial terminal
 */

#include <stdlib.h>
#include <unistd.h>
#include <termios.h>
#include "tsc_usleep.h"

#define DEFBAUD 9600


int main(int argc, char **argv)
{
    struct termios tty;
    int baud, delay;
    unsigned char c;

    tcgetattr(STDOUT_FILENO, &tty);
    cfmakeraw(&tty);
    tcsetattr(STDOUT_FILENO, TCSANOW, &tty);
 
    baud = DEFBAUD;
    if (argc > 1) baud = atoi(argv[1]);
    delay = 1000000 / ((double)baud / 10.);

    while (read(0, &c, 1) > 0) {
	tsc_usleep(delay);
	write(1, &c, 1);
    }

    return 0;
}
.