MAXDRIVENAME
dorename(&msg, oldname, newname, MAXDRIVENAME);
static char drivename[MAXDRIVENAME]; /* name to create */
char command[MAXDRIVENAME * 2];
bcopy(msg->newname, drive->label.name, MAXDRIVENAME);
char name[MAXDRIVENAME]; /* our name of the drive */
char devicename[MAXDRIVENAME]; /* name of the slice it's on */