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Back in July of 1995, Adam Moscowitz posed this question to Dennis Ritchie: I teach C programming classes, and I'm often asked why C has a bitwise exclusive-OR operator but not a logical one. Is this simply an historical accident, or was there a specific reason it was omitted? Also, is there any reason why the C9x committee shouldn't consider adding it to the standard? Dennis replied: I've often b
comp.lang.c FAQ list · Question 10.4 Q: What's the best way to write a multi-statement macro? A: The usual goal is to be able to invoke the macro as if it were an expression statement consisting of a function call: MACRO(arg1, arg2); This means that the ``caller'' will be supplying the final semicolon, so the macro body should not. The macro body cannot therefore be a simple brace-enclosed compoun
[This was posted to comp.lang.c by its author, David Anderson, on 1994-05-06.] The ``Clockwise/Spiral Rule'' By David Anderson There is a technique known as the ``Clockwise/Spiral Rule'' which enables any C programmer to parse in their head any C declaration! There are three simple steps to follow: Starting with the unknown element, move in a spiral/clockwise direction; when ecountering the follow
This collection of hypertext pages is Copyright 1995-2005 by Steve Summit. Content from the book "C Programming FAQs: Frequently Asked Questions" (Addison-Wesley, 1995, ISBN 0-201-84519-9) is made available here by permission of the author and the publisher as a service to the community. It is intended to complement the use of the published text and is protected by international copyright laws. Th
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