NAME abs - integer absolute value SYNOPSIS #include <stdlib.h> int abs(int i) DESCRIPTION Abs returns the absolute value of its integer operand. SEE ALSO floor(3). 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 on a machine with 32-bit ints. Using the result in unsigned computations is sound however.