Chapter 20. Char devices
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## Chapter 20. Char devices

Table of Contents

register_chrdev_region — register a range of device numbers
alloc_chrdev_region — register a range of char device numbers
register_chrdev — Register a major number for character devices.
unregister_chrdev_region — return a range of device numbers
cdev_add — add a char device to the system
cdev_del — remove a cdev from the system
cdev_alloc — allocate a cdev structure
cdev_init — initialize a cdev structure

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