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wcsstr(3posix)


NAME

   wcsstr --- find a wide-character substring

SYNOPSIS

   #include <wchar.h>

   wchar_t *wcsstr(const wchar_t *restrict ws1,
       const wchar_t *restrict ws2);

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.12008
   defers to the ISO C standard.

   The  wcsstr()  function  shall locate the first occurrence in the wide-
   character string pointed to by ws1 of the sequence of  wide  characters
   (excluding  the  terminating null wide character) in the wide-character
   string pointed to by ws2.

RETURN VALUE

   Upon successful completion, wcsstr() shall  return  a  pointer  to  the
   located  wide-character string, or a null pointer if the wide-character
   string is not found.

   If ws2 points to a wide-character string with zero length, the function
   shall return ws1.

ERRORS

   No errors are defined.

   The following sections are informative.

EXAMPLES

   None.

APPLICATION USAGE

   None.

RATIONALE

   None.

FUTURE DIRECTIONS

   None.

SEE ALSO

   wcschr()

   The Base Definitions volume of POSIX.12008, <wchar.h>

COPYRIGHT

   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
   Electrical 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 http://www.unix.org/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 .



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