lin.h

#pragma once

#ifdef WIN32
 #include <conio.h>
#else
 #include <termios.h>
 #include <stdio.h>

 static struct termios old, current;

 /* Initialize new terminal i/o settings */
 void initTermios(int echo)
 {
	tcgetattr(0, &old); /* grab old terminal i/o settings */
	current = old; /* make new settings same as old settings */
	current.c_lflag &= ~ICANON; /* disable buffered i/o */
	if (echo)
	{
		current.c_lflag |= ECHO; /* set echo mode */

	} else {

		current.c_lflag &= ~ECHO; /* set no echo mode */
	}
	tcsetattr(0, TCSANOW, &current); /* use these new terminal i/o settings now */
}

/* Restore old terminal i/o settings */
void resetTermios(void)
{
	tcsetattr(0, TCSANOW, &old);
}

/* Read 1 character - echo defines echo mode */
char getch_(int echo)
{
	char ch; initTermios(echo);
	ch = getchar();
	resetTermios();
	return ch;
}

/* Read 1 character without echo */
char getch(void)
{
	return getch_(0);
}

/* Read 1 character with echo */
char getche(void)
{
	return getch_(1);
}

/* Let's test it out */
//int main(void) {
//	char c;
//	printf("(getche example) please type a letter: ");
//	c = getche();
//	printf("\nYou typed: %c\n", c);
//	printf("(getch example) please type a letter...");
//	c = getch(); printf("\nYou typed: %c\n", c);
//	return 0;
//}
#endif