cbor_new_definite_bytestring
cbor_item_t *item = cbor_new_definite_bytestring();
CBOR_EXPORT cbor_item_t *cbor_new_definite_bytestring(void);
cbor_item_t *new_chunk = cbor_new_definite_bytestring();
if ((argv[7] = cbor_new_definite_bytestring()) == NULL ||