UATH_CMD_FLAG_READ
STAILQ_INSERT_TAIL((cmd->flags & UATH_CMD_FLAG_READ) ?
if (cmd->flags & UATH_CMD_FLAG_READ)
if (cmd->flags & UATH_CMD_FLAG_READ) {
flags |= UATH_CMD_FLAG_READ;
flags &= ~UATH_CMD_FLAG_READ;