fdisk: (dos) remove remaining printf() usage

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: (gpt) enlarge columns in list output

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: add generic function to get disklabel ID

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: add generic function to set disklabel ID

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: (dos) add dos menu callback

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: cleanup header file

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: (dos) remove unnecessary header file stuff

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: (dos) cleanup public function names

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