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2.4 Declarations

All variables must be declared before use, although certain declarations can be made implicitly by context. A declaration specifies a type, and contains a list of one or more variables of that type, as in

int  lower, upper, step;
char c, line[1000];

Variables can be distributed among declarations in any fashion; the lists above could equally well be written as

int  lower;
int  upper;
int  step;
char c;
char line[1000];

This latter f...

From

Cover of The C Programming Language, Second Edition

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