centos man page for register_chrdev_region

REGISTER_CHRDEV_REGI(9) 					   Char devices 					   REGISTER_CHRDEV_REGI(9)

NAME
       register_chrdev_region - register a range of device numbers

SYNOPSIS
       int register_chrdev_region(dev_t from, unsigned count, const char * name);

ARGUMENTS
       from
	   the first in the desired range of device numbers; must include the major number.

       count
	   the number of consecutive device numbers required

       name
	   the name of the device or driver.

DESCRIPTION
       Return value is zero on success, a negative error code on failure.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   REGISTER_CHRDEV_REGI(9)