MTFLG
else if (i == 0 && (flg & MTFLG) == 0)
if (e = cmd(sym, flg | MTFLG))
r->regcom = cmd(0, NLFLG | MTFLG);
t = makefork(FPOU, cmd(EOFSYM, MTFLG | NLFLG ));
t = cmd(NL, MTFLG);
execute(cmd(NL, NLFLG | MTFLG), 0, (int)(flags & errflg));