SYM_ATTR_NORMAL
if ((clean && attr == SYM_ATTR_NORMAL)
int attr = weak ? SYM_ATTR_WEAK : SYM_ATTR_NORMAL;
return do_handle_define(stream, line, token, SYM_ATTR_NORMAL);
} else if (attr <= SYM_ATTR_NORMAL)
return do_handle_undef(stream, line, token, SYM_ATTR_NORMAL);