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

int main()
{
    struct termios old_termios, new_termios;
    int ch, fd_in = STDIN_FILENO;
    tcgetattr(fd_in, &old_termios);
    new_termios = old_termios;
    new_termios.c_lflag &= ~(ICANON | ECHO);
    tcsetattr(fd_in, TCSANOW, &new_termios);
    setvbuf(stdout, NULL, _IONBF, 0);
    printf("\033[?1002h");
    printf("\033[?1016h");
    while (EOF != (ch = getchar())) {
        if (ch == 0x04) {
            break;
        }
    }
    printf("\033[?1016l");
    printf("\033[?1002l");
    tcsetattr(fd_in, TCSANOW, &old_termios);
    return 0;
}