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

/* 
 * Sets terminal into raw mode. 
 * This causes having the characters available
 * immediately instead of waiting for a newline. 
 * Also there is no automatic echo.
 */
struct termios tty_attr;

void tty_raw_mode(void)
{
	struct termios newtty_attr;
     
	if(tcgetattr(0,&tty_attr) < 0){
		perror("tcgetattr");
		return;
	}
	tcgetattr(0,&newtty_attr);

	/* Set raw mode. */
	newtty_attr.c_lflag &= (~(ICANON|ECHO));
	newtty_attr.c_cc[VTIME] = 0;
	newtty_attr.c_cc[VMIN] = 1;
     
	tcsetattr(0,TCSANOW,&newtty_attr);
	// system("stty -a");
}

/* 
 * Sets terminal back to before raw mode. 
 */

void tty_term_mode(void) {
	tcsetattr(0,TCSANOW,&tty_attr);
}