K&R C Language -- Exercise 1-10

#include <stdio.h>

/* Copy input to output, replace specials with escape sequences */
main()
{
    int c;

    while ((c = getchar()) != EOF) {
        if (c == '\t') {
            printf("\\t");
        } else if (c == '\b') {
            printf("\\b");
        } else if (c == '\\') {
            printf("\\\\");
        } else {
            putchar(c);
        }
    }
}