rem: if (pPtrPtr != NULL) { return *pPtrPtr; } else { return NULL; }
add: return pPtrPtr ? *pPtrPtr : NULL;
context: Ns_IndexFind(Ns_Index *indexPtr, void *key){    void **pPtrPtr;    pPtrPtr = (void **) bsearch(key, indexPtr->el, indexPtr->n, sizeof(void *),				indexPtr->CmpKeyWithEl);    if (pPtrPtr != NULL) {        return *pPtrPtr;    } else {        return NULL;    }}