Remove Duplicates from Sorted List

void removeDuplicateFromSortList(ListNode * aHead){if(NULL== aHead) return;ListNode * curPtr = aHead,*nextPtr =aHead->next;while(nextPrt){while(nextPtr && curPtr->val == nextPtr->val){curPtr->next = nextPrt ->next;delete nextPtr;nextPtr = curPtr->next;} if(nextPtr){curPtr = nextPtr;nextPtr = nextPtr - >next;}} }