* read
* write
* ioctl
-* unlocked_ioctl
+* unlocked\\_ioctl
* llseek
* poll
* mmap
Nowadays, major number is 12 bits and minor number is 20 bits. This may change
in the future, so macros should be used.
-* include linux/kdev_t.h
+* include linux/kdev\\_t.h
* MAJOR
* MINOR
* MKDEV