oracular (3) wcsncmp.3posix.gz

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PROLOG
       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.


NAME
       wcsncmp — compare part of two wide-character strings


SYNOPSIS
       #include <wchar.h>

       int wcsncmp(const wchar_t *ws1, const wchar_t *ws2, size_t n);


DESCRIPTION
       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.1‐2017 defers to the ISO C standard.

       The  wcsncmp()  function  shall  compare  not more than n wide-character codes (wide-character codes that
       follow a null wide-character code are not compared) from the array pointed to by ws1 to the array pointed
       to by ws2.

       The  sign of a non-zero return value shall be determined by the sign of the difference between the values
       of the first pair of wide-character codes that differ in the objects being compared.


RETURN VALUE
       Upon successful completion, wcsncmp() shall return an integer greater than, equal to, or less than 0,  if
       the possibly null-terminated array pointed to by ws1 is greater than, equal to, or less than the possibly
       null-terminated array pointed to by ws2, respectively.


ERRORS
       No errors are defined.

       The following sections are informative.


EXAMPLES
       None.


APPLICATION USAGE
       None.


RATIONALE
       None.


FUTURE DIRECTIONS
       None.


SEE ALSO
       wcscasecmp(), wcscmp()

       The Base Definitions volume of POSIX.1‐2017, <wchar.h>


       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard
       for  Information  Technology  --  Portable  Operating  System  Interface  (POSIX),  The  Open  Group Base
       Specifications Issue 7, 2018 Edition, Copyright (C) 2018 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 .

       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.kernel.org/doc/man-pages/reporting_bugs.html .