medium10 pts · first answer countsembedded-cpointers

Returning a pointer through a parameter

A function must give the caller a pointer to a free buffer from a pool. Which signature lets it set the caller's pointer?

A.int pool_get(uint8_t *out);B.int pool_get(uint8_t **out);C.int pool_get(uint8_t out);D.int pool_get(const uint8_t *out);

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