#include    "config.h"
#include    "mud.h"
#include    "u.h"
#include    "y.tab.h"

int ub_err (char *who, char *aswho, int ac, Nod * av[], Nod * retnode)
{
  retnode->rv.t = STR;
  if (av[0]->rv.t == VNULL || av[0]->rv.t == NUM)
    retnode->rv.cv = mud_errtxt (av[0]->rv.iv);
  else
    retnode->rv.cv = "not an error";
  return (UERR_NONE);
}