Function append_unset_var

src/env.c:185–191

}

static void
append_unset_var (char const *var)
{
  if (usvars_used == usvars_alloc)
    usvars = xpalloc (usvars, &usvars_alloc, 1, -1, sizeof *usvars);
  usvars[usvars_used++] = var;
}

static void
unset_envvars (void)