FASTBOOT_MOUNTPOINT
bcopy(FASTBOOT_MOUNTPOINT, mountpoint, sizeof (FASTBOOT_MOUNTPOINT));
if ((rc = halt_exec(BEADM_PROG, "mount", bename, FASTBOOT_MOUNTPOINT,
cmdname, bename, FASTBOOT_MOUNTPOINT);
(void) strlcpy(mountpoint, FASTBOOT_MOUNTPOINT, mpsz);