trusty (7) assert.h.7posix.gz

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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()


       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
       original Standard can be obtained online at http://www.opengroup.org/unix/online.html .