View Compilation Error

0_0_20452829_27485.c: In function 'main':
0_0_20452829_27485.c:15:38: error: expected expression before '/' token
   if( s[i] != s[len -i -1] ) p = 0;  // not a palindrome;
                                      ^
0_0_20452829_27485.c:16:40: error: expected expression before '/' token
   if( r(s[i]) != s[len - i -1]) q = 0; //not a mirrored string;
                                        ^