TOKEN_TOTAL_SIZE
uint32_t out_struct_size = TOKEN_TOTAL_SIZE + 16;
if (args.in_struct_size != (TOKEN_TOTAL_SIZE + 32))
if (MBC_ROOM_FOR(mbc, TOKEN_TOTAL_SIZE) == 0)
mbc->chain_offset = start_pos + TOKEN_TOTAL_SIZE;
int end_pos = start_pos + TOKEN_TOTAL_SIZE;