GETNEXT
c = GETNEXT();
REQUIRE(MORE() && GETNEXT() == ')', REG_EPAREN);
c = GETNEXT();
ordinary(p, GETNEXT());
c = GETNEXT();
c = BACKSL | GETNEXT();
count = count*10 + (GETNEXT() - '0');
REQUIRE(MORE() && GETNEXT() == ']', REG_EBRACK);
return(GETNEXT());