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Linux 2.6 - man page for assert.h (linux section 7posix)

<assert.h>(P)			    POSIX Programmer's Manual			    <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 inclu-
       sion 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  defi-
       nition 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 Technology  --  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 orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				    <assert.h>(P)


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