Definition: hook: The technique of inserting code into a system call in order to alter it. The typical hook works by replacing the function pointer to the call with its own, then once it is done doing its processing, it will then call the original function pointer.
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Source: Hacking-Lexicon / Linux Dictionary V 0.16
http://www.tldp.org/LDP/Linux-Dictionary/html/index.html
Author: Binh Nguyen linuxfilesystem(at)yahoo(dot)com(dot)au
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