this post was submitted on 23 Oct 2021
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What is the use of a void function if it doesn't return a value? (lemmy.ml)
submitted 3 years ago by the_tech_beast@lemmy.ml to c/cpp@lemmy.ml
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[โ€“] pancake@lemmy.ml 4 points 3 years ago (1 children)

It could also modify memory. If the function writes to a global variable or to an address passed as a parameter, then it makes a difference. For example, would you say the void function 'free()' is useless?