2.21 llabs—compute the absolute value of an long long integer.

Synopsis

     #include <stdlib.h>
     long long llabs(long long j);
     

Description
The llabs function computes the absolute value of the long long integer argument j (also called the magnitude of j).

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

Returns
A nonnegative long long integer.

Portability
llabs is ISO 9899 (C99) compatable.

No supporting OS subroutines are required.