Function nanocoap_cache_key_generate

pub unsafe extern "C" fn nanocoap_cache_key_generate(
    req: *const coap_pkt_t,
    cache_key: *mut u8,
)

@brief Generates a cache key based on the request @p req.

@param[in] req The request to generate the cache key from @param[out] cache_key The generated cache key