View Compilation Error

0_0_29004624_24149.c: In function 'main':
0_0_29004624_24149.c:14:7: error: expected expression before '/' token
       //printf("*%d*\n",len);
       ^
0_0_29004624_24149.c:19:13: error: expected expression before '/' token
             //printf("\nk:%d\n",k);
             ^