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>

COPYRIGHT

       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 .

IEEE/The Open Group                                   2003                                             WCSSPN(P)