#include <stdio.h>

/*Alternative (challenge) implementation of exercise 1-10 using a switch statement
 * as opposed to a series of if statements*/

int main(){
int a = 0; /*Initializing a as zero; this doesn't matter because getchar is called at the top of the loop */

	while (a != EOF){

		a = getchar();
		
		switch (a){
			case '\t':
				printf ("\\t");
				break;
			case '\\':
				printf ("\\\\");
				break;
			case '\b':
				printf ("\\b");
				break;
			case EOF: /*Required case for checking if a is EOF, since the loop actually tests whether a = EOF before refreshing a, thus allowing us to enter the loop with the value of a set to EOF */
				break;
			default:
				putchar (a);
		}
	}
	return 0;
}