size_t packet_size; /* current packet size, in bits */
size_t content_size; /* current content size, in bits */
uint32_t *content_size_loc; /* pointer to current content size */
size_t packet_size; /* current packet size, in bits */
size_t content_size; /* current content size, in bits */
uint32_t *content_size_loc; /* pointer to current content size */