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] 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.1-2017 defers to the ISO C standard.
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 llabs () function shall return the absolute value of the long long integer operand.
ERRORS
No errors are defined.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
XBD <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 (“ISO C99”) standard.
Issue 7
SD5-XSH-ERN-152 is applied, correcting the RETURN VALUE section.