REC
#define isrec(n) ((n)->tval & REC)
fldtab[0]->tval = REC | STR | DONTFREE;
static Cell dollar0 = { OCELL, CFLD, NULL, EMPTY, 0.0, REC|STR|DONTFREE, NULL, NULL };
fldtab[0]->tval = REC | STR | DONTFREE;
if (x == y && !(x->tval & (FLD|REC)) && x != nfloc)
y->tval = x->tval & ~(CON|FLD|REC);
{ "REC", REC },