c_ch01_ex10.c

/*Exercise 1-10. Write a program to copy its input to its output, replacing each tab by \t, each backspace by \b, and each *backslash by \\. This makes tabs and backspaces
visible in an unambiguous way */

#include <stdio.h>
int main()
{
        int flag = 0, c;
        while ((c = getchar()) != EOF) {
                switch (c) {
                        case '\t': printf("\\t");
                        break;
                        case '\b': printf("\\b");
                        break;
                        case '\\': printf("\\\\");
                        break;
                        default : putchar(c);
                }
        }
        return 0;
}