Symbol: VSPECIAL
bin/sh/var.c
210
{ &line_num, VSTRFIXED|VTEXTFIXED|VFUNCREF|VSPECIAL, "LINENO=1",
bin/sh/var.c
221
{ &random_num, VSTRFIXED|VTEXTFIXED|VFUNCREF|VSPECIAL, "RANDOM=",
bin/sh/var.c
553
if (vp->rfunc && (vp->flags & (VFUNCREF|VSPECIAL)) == VFUNCREF)