Linked Lists in C. Based off the following code, what would go in the following highlighted question marks to create the function "searchLL"

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Exercise #1: searchLL also returning preceding node NodeLL *searchLL (LinkedList list, key match, NodeLL **ppPrecedes) NodeLL *p; // NULL used when the list is empty // or when we need to insert at the beginning *ppPrecedes = NULL; // Traverse through the list looking for where the key belongs or // the end of the list. for (p = ??) // Not found return NULL return NULL