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labs
[long integer absolute value]

SYNOPSIS
#include <stdlib.h>
long labs(long I);

DESCRIPTION
labs returns |x|, 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, abs, uses and returns int rather than long values.

RETURNS
The result is a nonnegative long integer.

COMPLIANCE
labs is ANSI.

No supporting OS subroutine calls are required.