au_append_buf
int au_append_buf(const char *, int, au_buff_t *);
(void) au_append_buf(set, sz, m);
(void) au_append_buf(buf, sz, m);
(void) au_append_buf(which, sz, m);
(void) au_append_buf(secstr, sz, m);
(void) au_append_buf(text, bytes, token);
(void) au_append_buf(zone->zone_name, bytes, token);
(void) au_append_buf(kstrp, len, m);
(void) au_append_buf(text, bytes, token);
(void) au_append_buf(text, bytes, token);
(void) au_append_buf(path, bytes, token);
(void) au_append_buf(opaque, bytes, token);