abs---integer absolute value (magnitude)#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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