588 droproot(const char *username, const char *chroot_dir)  in droproot()  argument
592 	if (chroot_dir && !username) {  in droproot()
600 		if (chroot_dir) {  in droproot()
601 			if (chroot(chroot_dir) != 0 || chdir ("/") != 0) {  in droproot()
603 					program_name, chroot_dir, pcap_strerror(errno));  in droproot()
1114 	char *chroot_dir = NULL;  in main()  local
1559 		if (!chroot_dir)  in main()
1560 			chroot_dir = WITH_CHROOT;  in main()
1820 		if (chroot_dir) {  in main()
1837 		if (username || chroot_dir)  in main()
1838 			droproot(username, chroot_dir);  in main()