GIGASET_IOCTL      25 include/linux/gigaset_dev.h #define GIGASET_REDIR    _IOWR (GIGASET_IOCTL, 0, int)
GIGASET_IOCTL      26 include/linux/gigaset_dev.h #define GIGASET_CONFIG   _IOWR (GIGASET_IOCTL, 1, int)
GIGASET_IOCTL      27 include/linux/gigaset_dev.h #define GIGASET_BRKCHARS _IOW  (GIGASET_IOCTL, 2, unsigned char[6]) //FIXME [6] okay?
GIGASET_IOCTL      28 include/linux/gigaset_dev.h #define GIGASET_VERSION  _IOWR (GIGASET_IOCTL, 3, unsigned[4])