disk_print
extern int disk_print(struct disk_devdesc *, char *, int);
ret = disk_print(&vd_dev, line, verbose);
ret = disk_print(&pd_dev, line, verbose);
ret = disk_print(&devd, line, verbose);
ret = disk_print(&dev, line, verbose);
ret = disk_print(&dev, " umass0", verbose);
ret = disk_print(&dev, line, verbose);
disk_print(&dev, "\tdisk0", 1);