cdev_alloc(9) centos man page | unix.com

CDEV_ALLOC(9)							   Char devices 						     CDEV_ALLOC(9)

NAME
       cdev_alloc - allocate a cdev structure

SYNOPSIS
       struct cdev * cdev_alloc(void);

ARGUMENTS
       void
	   no arguments

DESCRIPTION
       Allocates and returns a cdev structure, or NULL on failure.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							     CDEV_ALLOC(9)