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abs---integer absolute value (magnitude)

Synopsis
#include <stdlib.h>
int abs(int i);

Description
abs returns the absolute value of i (also called the magnitude of i). That is, if i is negative, the result is the opposite of i, but if i is nonnegative the result is i.

The similar function labs uses and returns long rather than int values.


Returns
The result is a nonnegative integer.


Portability
abs is ANSI.

No supporting OS subroutines are required.



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