labs.c
上传用户:nvosite88
上传日期:2007-01-17
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文件大小:1k
- /* labs.c - labs file for stdlib */
- /* Copyright 1992-1993 Wind River Systems, Inc. */
- /*
- modification history
- --------------------
- 01c,08feb93,jdi documentation cleanup for 5.1.
- 01b,20sep92,smb documentation additions.
- 01a,19jul92,smb written.
- */
- /*
- DESCRIPTION
-
- INCLUDE FILE: stdlib.h
-
- SEE ALSO: American National Standard X3.159-1989
- NOMANUAL
- */
- #include "vxWorks.h"
- #include "stdlib.h"
- /*******************************************************************************
- *
- * labs - compute the absolute value of a `long' (ANSI)
- *
- * This routine computes the absolute value of a specified `long'. If the
- * result cannot be represented, the behavior is undefined. This routine is
- * equivalent to abs(), except that the argument and return value are all of
- * type `long'.
- *
- * INCLUDE FILES: stdlib.h
- *
- * RETURNS: The absolute value of <i>.
- */
- long labs
- (
- long i /* long for which to return absolute value */
- )
- {
- return (i >= 0 ? i : -i);
- }