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FreeBSD 11.0 - man page for labs (freebsd section 3)

LABS(3) 						   BSD Library Functions Manual 						   LABS(3)

NAME
labs -- return the absolute value of a long integer
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <stdlib.h> long labs(long j);
DESCRIPTION
The labs() function returns the absolute value of the long integer j.
SEE ALSO
abs(3), cabs(3), floor(3), imaxabs(3), llabs(3), math(3)
STANDARDS
The labs() function conforms to ISO/IEC 9899:1990 (``ISO C90'').
BUGS
The absolute value of the most negative integer remains negative.
BSD
November 14, 2001 BSD