228 zwrite(void *cookie, const char *wbp, int num)  in zwrite()  argument
237 	zs = cookie;  in zwrite()
327 z_close(void *cookie, struct z_info *info,  in z_close()  argument
334 	zs = cookie;  in z_close()
366 zclose(void *cookie)  in zclose()  argument
368 	return (z_close(cookie, NULL, NULL, NULL));  in zclose()
488 zread(void *cookie, char *rbp, int num)  in zread()  argument
497 	zs = cookie;  in zread()
761 	void *cookie;  in zopen()  local
765 	if ((cookie = z_open(fd, mode, NULL, bits, 0, 0)) == NULL) {  in zopen()
769 	return (funopen(cookie, (*mode == 'r'?zread:NULL),  in zopen()
776 	void *cookie;  in zdopen()  local
779 	if ((cookie = z_open(fd, mode, NULL, bits, 0, 0)) == NULL) {  in zdopen()
783 	return (funopen(cookie, (*mode == 'r'?zread:NULL),  in zdopen()