NAME

abs — return an integer absolute value

SYNOPSIS

#include <stdlib.h>

int abs(int i);

DESCRIPTION

[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2008 defers to the ISO C standard.

The abs () function shall compute the absolute value of its integer operand, i. If the result cannot be represented, the behavior is undefined.

RETURN VALUE

The abs () function shall return the absolute value of its integer operand.

ERRORS

No errors are defined.

The following sections are informative.

EXAMPLES

None.

APPLICATION USAGE

In two's-complement representation, the absolute value of the negative integer with largest magnitude {INT_MIN} might not be representable.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

fabs(3) , labs(3)

XBD <stdlib.h>

CHANGE HISTORY

First released in Issue 1. Derived from Issue 1 of the SVID.

Issue 6

Extensions beyond the ISO C standard are marked.

End of informative text.