ABS(3) Library Functions Manual ABS(3)

absinteger absolute value function

Standard C Library (libc, -lc)

#include <stdlib.h>

int
abs(int i);

The () function computes the absolute value of the integer i.

The abs() function returns the absolute value.

cabs(3), fabs(3), floor(3), hypot(3), imaxabs(3), labs(3), llabs(3), math(3)

The abs() function conforms to ISO/IEC 9899:1999 (“ISO C99”).

The absolute value of the most negative integer remains negative.

November 14, 2001 macOS 15.2