target Node whose mirror have to be searched
int target = root -> left -> left -> key ; int mirror = findMirror ( root , target ) ; if ( mirror ) printf ( " Mirror ▁ of ▁ Node ▁ % d ▁ is ▁ Node ▁ % d STRNEWLINE " , target , mirror ) ; else printf ( " Mirror ▁ of ▁ Node ▁ % d ▁ is ▁ NULL ! STRNEWLINE " , target ) ; }