assert man page on Manjaro

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ASSERT(3P)		   POSIX Programmer's Manual		    ASSERT(3P)

       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the	 corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.

       assert — insert program diagnostics

       #include <assert.h>

       void assert(scalar expression);

       The functionality described on this reference page is aligned with  the
       ISO C  standard.	 Any  conflict between the requirements described here
       and the ISO C standard is unintentional. This  volume  of  POSIX.1‐2008
       defers to the ISO C standard.

       The  assert()  macro  shall  insert diagnostics into programs; it shall
       expand to a void expression. When it is executed, if expression	(which
       shall  have  a  scalar  type)  is false (that is, compares equal to 0),
       assert() shall write information about the particular call that	failed
       on stderr and shall call abort().

       The  information	 written  about the call that failed shall include the
       text of the argument, the name of the source file, the source file line
       number, and the name of the enclosing function; the latter are, respec‐
       tively, the values of the preprocessing macros  __FILE__	 and  __LINE__
       and of the identifier __func__.

       Forcing	a definition of the name NDEBUG, either from the compiler com‐
       mand line or with the preprocessor  control  statement  #define	NDEBUG
       ahead  of the #include <assert.h> statement, shall stop assertions from
       being compiled into the program.

       The assert() macro shall not return a value.

       No errors are defined.

       The following sections are informative.





       abort(), stdin

       The Base Definitions volume of POSIX.1‐2008, <assert.h>

       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),	The  Open  Group  Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal and Electronics Engineers,  Inc  and	 The  Open  Group.   (This  is
       POSIX.1-2008  with  the	2013  Technical Corrigendum 1 applied.) 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 .

       Any  typographical  or  formatting  errors that appear in this page are
       most likely to have been introduced during the conversion of the source
       files  to  man page format. To report such errors, see https://www.ker‐ .

IEEE/The Open Group		     2013			    ASSERT(3P)

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