The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2003 Edition
Copyright © 2001-2003 The IEEE and The Open Group, All Rights reserved.

NAME

labs, llabs - return a long integer absolute value

SYNOPSIS

#include <stdlib.h>

long labs(long i);
long long llabs(long long i);

DESCRIPTION

[CX] [Option Start] 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 IEEE Std 1003.1-2001 defers to the ISO C standard. [Option End]

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

RETURN VALUE

The labs() function shall return the absolute value of the long integer operand. The labs() function shall return the absolute value of the long long integer operand.

ERRORS

No errors are defined.

The following sections are informative.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

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

CHANGE HISTORY

First released in Issue 4. Derived from the ISO C standard.

Issue 6

The llabs() function is added for alignment with the ISO/IEC 9899:1999 standard.

End of informative text.
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