1 #include<stdio.h> 2 main() 3 { 4 int c; 5 c=getchar(); 6 while (c !=EOF) 7 { 8 if (c==' ') 9 { 10 c='\'; 11 putchar(c); 12 c='t'; 13 putchar(c); 14 } 15 if (c=='') 16 { 17 c='\'; 18 putchar(c); 19 c='b'; 20 putchar(c); 21 } 22 if (c== '\') 23 { 24 putchar(c); 25 putchar(c); 26 } 27 } 28 }