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ComputingCStdlib.h

labs

Return the absolute value of a long integer
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Interface

#include <stdlib.h>
long labs (long j)

Description

The labs function returns the absolute value of the long integer j, denoted by |j| and defined through:

Example 1

#include <stdio.h>
#include <stdlib.h>
 
int main()
{
  long int a = -231564565;
  printf("|a| = %ld\n", labs(a));
  return 0;
}

Output:
|a| = 231564565

Bugs

The absolute value of the most negative integer remains negative.