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This book, known to C programmers as "K&R", served for many years as an informal specification of the language. The version of C that it describes is commonly referred to as K&R C. The second edition of the book covers the later ANSI C standard, described below. K&R introduced several language features: Standard I/O library; long int data type
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What is K&R style function definition in C? Normally you see function definitions like: int foo (char * s, float f, struct Baz * b) {return 5;}. This describes the parameters of the function foo: how many there are, and what their types are.It does so using a parameter type list, but there's another way to do it: an initializer list.. int foo (s, f, …
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The ANSI C Standard has tightened the definition of many of the vague areas of K&R C. This results in a much clearer definition of a correct C program. In the following sections, we present a list of what we consider to be the major language differences between ANSI C and K&R C. Lexical Elements. 1.
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