how to freeing pointers using macro in c

Question

I want to write macro in c code to freeing many pointers like this :

FREE(ptr1, ptr2, ptr3, ptr4, ptrx);

For me, this is better than

Answer 1

Maybe you can define a function like:

void freeargs(void *ptr1, ...) {
    // code for freeing variable number of arguments until NULL pointer.
}

and then the macro:

#define FREE(...) freeargs(__VA_ARGS__, NULL)