Implement the following function as a new function for the linked list toolkit.
ID: 642934 • Letter: I
Question
Implement the following function as a new function for the linked list toolkit. (Use the usual node definition with member variables called data and link as defined above.)
size_t count_42s(const node* head_ptr);
// Precondition: head_ptr is the head pointer of a linked list.
// The list might be empty or it might be non-empty.
// Postcondition: The return value is the number of occurrences
// of 42 in the data field of a node on the linked list.
// The list itself is unchanged.
Explanation / Answer
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