c_exercises/1-10.c

#include <stdio.h>
int main() {
  int c;
  while ((c=getchar()) != EOF){
    if (c == '\t'){
      putchar('\\');
      putchar('t');
      continue;
    }
    if (c == '\b'){
      putchar('\\');
      putchar('b');
      continue;
    }
    if (c == '\\'){
      putchar('\\');
      putchar('\\');
      continue;
    }
    putchar(c);
  }
  return 0;
}