PCTRL_CMD_FRM
ctrl = PCTRL_CMD_FRM;
(ch->cmd == PCTRL_CMD_FRM) && (ch->mod == para))
ch->newcmd = PCTRL_CMD_FRM;
if (ch->cmd == PCTRL_CMD_FRM) {
case PCTRL_CMD_FRM:
else if (ch->cmd == PCTRL_CMD_FRM)