View Compilation Error

0_0_21891350_26845.c: In function 'main':
0_0_21891350_26845.c:22:12: error: expected expression before '/' token
            //scanf("%s",s);
            ^
0_0_21891350_26845.c:23:9: error: expected expression before '/' token
         //printf("%s\n",s);
         ^
0_0_21891350_26845.c:25:3: error: expected expression before '/' token
   //printf("%d",len2);
   ^