if (arc->src_vars[i]->type == NUMERIC)
v.f = case_num (c, arc->src_vars[i]->fv);
else
v.c = (char *) case_str (c, arc->src_vars[i]->fv);
if (arc->src_vars[i]->type == NUMERIC)
v.f = case_num (c, arc->src_vars[i]->fv);
else
v.c = (char *) case_str (c, arc->src_vars[i]->fv);