rem: int fd;
context: vfs_bootstrap_all_filesystems(void){	int err;	int fd;	// bootstrap the root filesystem	bootstrap_rootfs();	err = sys_mount("/", NULL, "rootfs", NULL);	if (err < 0)		panic("error mounting rootfs!\n");	sys_setcwd(-1, "/");	// bootstrap the bootfs	bootstrap_bootfs();	sys_create_dir("/boot", 0755);	err = sys_mount("/boot", NULL, "bootfs", NULL);	if (err < 0)		panic("error mounting bootfs\n");	// bootstrap the devfs	bootstrap_devfs();	sys_create_dir("/dev", 0755);	err = sys_mount("/dev", NULL, "devfs", NULL);	if (err < 0)		panic("error mounting devfs\n");	// bootstrap the pipefs	bootstrap_pipefs();	sys_create_dir("/pipe", 0755);	err = sys_mount("/pipe", NULL, "pipefs", NULL);	if (err < 0)		panic("error mounting pipefs\n");	return B_NO_ERROR;}