Find the Loop in the linked list and remove the loop from it

int detectLoop(NODE* headNode)
{
       NODE* oneStepPtr = headNode;
       NODE* twoStepPtr = headNode;
       int isLoop = 0;

       while(twoStepPtr != NULL
                 && twoStepPtr->next != NULL
                 )
       {
               oneStepPtr = oneStepPtr->next;
               twoStepPtr = twoStepPtr->next->next;

               if (twoStepPtr == oneStepPtr)
               {
                       isLoop = 1;
                       break;
               }
       }
       return isLoop;
}

/* Call only when loop exists */
void removeLoop(NODE* headNode)
{
       /* find Loop Node */
       NODE* oneStepPtr = headNode;
       NODE* twoStepPtr = headNode;
       NODE* loopNode = headNode;

       while(twoStepPtr != NULL
             && twoStepPtr->next != NULL
            )
   	{
       	oneStepPtr = oneStepPtr->next;
       	twoStepPtr = twoStepPtr->next->next;

       	if (twoStepPtr == oneStepPtr)
       	{
                       loopNode = oneStepPtr;
           		break;
       	}
   	}


       /* Find  loopLength */
       NODE* currentNode = loopNode;
       int loopLength = 0;
       while (currentNode != loopNode
                  || loopLength == 0)
       {
               loopLength++;
               currentNode = currentNode->next;
       }


       /* Offset headNode by loopLength */
       currentNode = headNode;
       NODE* offSetNode = NULL;
       NODE* tailNode = NULL;
       int offSetLength = 0;

       while(offSetLength < loopLength)         {                 tailNode = currentNode;                 currentNode = currentNode->next;
               offSetLength++;
       }
       offSetNode = currentNode;


       /* find tailNode, when currentNode and offSetNode meets, but one */
       currentNode = headNode;
       while(offSetNode != currentNode)
       {
               tailNode = offSetNode;
               offSetNode = offSetNode->next;
               currentNode = currentNode->next;
       }

       tailNode->next = NULL;
}