centos man page for misc_register

MISC_REGISTER(9)					       Miscellaneous Devices						  MISC_REGISTER(9)

NAME
       misc_register - register a miscellaneous device

SYNOPSIS
       int misc_register(struct miscdevice * misc);

ARGUMENTS
       misc
	   device structure

	   Register a miscellaneous device with the kernel. If the minor number is set to MISC_DYNAMIC_MINOR a minor number is assigned and placed
	   in the minor field of the structure. For other cases the minor number requested is used.

DESCRIPTION
       The structure passed is linked into the kernel and may not be destroyed until it has been unregistered.

       A zero is returned on success and a negative errno code for failure.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  MISC_REGISTER(9)