ABS(3) — System Interface Manual — Subroutines
NAME
abs − integer absolute value
SYNOPSIS
abs(i)
int i;
DESCRIPTION
Abs returns the absolute value of its integer operand.
SEE ALSO
floor(3M) for fabs
BUGS
Applying the abs function to the most negative integer generates a result which is the most negative integer. That is, abs(0x80000000) returns 0x80000000 as a result.
Sun System Release 1.0 — 27 August 1983