ABS(2)                                                     ABS(2)

     NAME
          abs, labs - integer absolute values

     SYNOPSIS
          #include <u.h>
          #include <libc.h>

          int  abs(int a)

          long labs(long a)

     DESCRIPTION
          Abs returns the absolute value of integer a, and labs does
          the same for a long.

     SOURCE
          /sys/src/libc/port/abs.c

     SEE ALSO
          floor(2) for fabs

     DIAGNOSTICS
          Abs and labs return the most negative integer or long when
          the true result is unrepresentable.