trusty (3) wcsspn.3posix.gz

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NAME
       wcsspn - get the length of a wide substring


SYNOPSIS
       #include <wchar.h>

       size_t wcsspn(const wchar_t *ws1, const wchar_t *ws2);


DESCRIPTION
       The wcsspn() function shall compute the length (in wide characters) of the maximum initial segment of the
       wide-character string pointed to by ws1 which consists entirely of wide-character codes  from  the  wide-
       character string pointed to by ws2.


RETURN VALUE
       The  wcsspn()  function  shall  return  the  length  of  the initial substring of ws1; no return value is
       reserved to indicate an error.


ERRORS
       No errors are defined.

       The following sections are informative.


EXAMPLES
       None.


APPLICATION USAGE
       None.


RATIONALE
       None.


FUTURE DIRECTIONS
       None.


SEE ALSO
       wcscspn() , the Base Definitions volume of IEEE Std 1003.1-2001, <wchar.h>


       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 .