Describe the effects on Unix data structures of using the open() function with device files. What is the behaviour of a read() system call for a device in terms of Unix data structures?

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter8: I/o Streams And Data Files
Section8.4: File Streams As Function Arguments
Problem 1E
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Describe the effects on Unix data structures of using the open() function with device files. What is the behaviour of a read() system call for a device in terms of Unix data structures?

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ISBN:
9781133187844
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Bronson, Gary J.
Publisher:
Course Technology Ptr