static void req_success(struct afb_hreq *hreq, json_object *obj, const char *info);
static const char *req_raw(struct afb_hreq *hreq, size_t *size);
static void req_send(struct afb_hreq *hreq, const char *buffer, size_t size);
static void req_success(struct afb_hreq *hreq, json_object *obj, const char *info);
static const char *req_raw(struct afb_hreq *hreq, size_t *size);
static void req_send(struct afb_hreq *hreq, const char *buffer, size_t size);