Lst_AtFront(lst, (ClientData)interval_dup(wrd, s));
Lst_AtFront(lst, interval_dup(wrd, s));
build_words_list(lst, s)    Lst lst;    const char *s;{    const char *wrd;    for (;;) {	for (; *s != '\0' && isspace(*s); s++)	    continue;	if (*s == '\0')	    break;	for (wrd = s; *s != '\0' && !isspace(*s); s++)	    continue;    	/* note that we fill the list backward, since      	 * Parse_FromString stacks strings.  */	Lst_AtFront(lst, (ClientData)interval_dup(wrd, s));    }}