assert.h

<assert.h>(P)							<assert.h>(P)



NAME
       assert.h - verify program assertion

SYNOPSIS
       #include <assert.h>

DESCRIPTION
       The  <assert.h>	header shall define the assert() macro.	 It refers to
       the macro NDEBUG which is not defined in	 the  header.  If  NDEBUG  is
       defined	as  a  macro  name  before  the inclusion of this header, the
       assert() macro shall be defined simply as:


	      #define assert(ignore)((void) 0)

       Otherwise, the macro behaves as described in assert().

       The assert() macro shall be redefined according to the  current	state
       of NDEBUG each time <assert.h> is included.

       The assert() macro shall be implemented as a macro, not as a function.
       If the macro definition is suppressed in order  to  access  an  actual
       function, the behavior is undefined.

       The following sections are informative.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       The System Interfaces volume of IEEE Std 1003.1-2001, assert()

COPYRIGHT
       Portions	 of this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information  Technol-
       ogy  --	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 .



POSIX				     2003			<assert.h>(P)