If I have a struct of ints, do I have to individually free all of the ints (they are not pointers), or will they be freed when I call free() on the struct?
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If I have a struct of ints, do I have to individually free all of the ints (they are not pointers), or will they be freed when I call free() on the struct?
No, they will be freed when the entire struct is freed.
(Note that you only need to
freea struct that was allocated withmalloc/calloc/realloc, not one that was allocated on a stack.)