#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <termios.h>
struct termios original_termios;
void set_nonblocking_terminal() {
struct termios ttystate;
tcgetattr(STDIN_FILENO, &original_termios); // Store original terminal attributes
tcgetattr(STDIN_FILENO, &ttystate);
ttystate.c_lflag &= ~(ICANON | ECHO); // turn off canonical mode and echo
ttystate.c_cc[VMIN] = 0;
tcsetattr(STDIN_FILENO, TCSANOW, &ttystate);
}
void restore_terminal() {
tcsetattr(STDIN_FILENO, TCSANOW, &original_termios);
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