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() , labs() , the Base Definitions volume of
IEEE Std 1003.1-2001, <stdlib.h>

COPYRIGHT

Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .