libfdisk: fdisk_label_is_labeltype()

Signed-off-by: Karel Zak <kzak@redhat.com>
cfdisk: use only public libfdisk API

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: add geometry to API, cleanup

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: use libfdisk public API only

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: move fdisk_ask_partnum() to API

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: add independent debug stuff

Signed-off-by: Karel Zak <kzak@redhat.com>