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

void setup_term(struct termios *old) {
  struct termios new;

  tcgetattr(STDIN_FILENO, old);

  new = *old;

  new.c_lflag &= ~(ECHO | ICANON);
  new.c_cc[VMIN] = 0;  // bytes read to return
  new.c_cc[VTIME] = 0; // time before return

  printf("\x1B[?1049h");
  tcsetattr(STDIN_FILENO, TCSANOW, &new);
}

void return_term(struct termios *old) {
  tcsetattr(STDIN_FILENO, TCSANOW, old);
  printf("\x1B[?1049l");
}