1WCSSPN(3P)                 POSIX Programmer's Manual                WCSSPN(3P)
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PROLOG

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

12       wcsspn - get the length of a wide substring
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SYNOPSIS

15       #include <wchar.h>
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17       size_t wcsspn(const wchar_t *ws1, const wchar_t *ws2);
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DESCRIPTION

21       The wcsspn() function shall compute the length (in wide characters)  of
22       the  maximum initial segment of the wide-character string pointed to by
23       ws1 which consists entirely of wide-character codes from the wide-char‐
24       acter string pointed to by ws2.
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RETURN VALUE

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

31       No errors are defined.
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33       The following sections are informative.
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EXAMPLES

36       None.
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APPLICATION USAGE

39       None.
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RATIONALE

42       None.
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FUTURE DIRECTIONS

45       None.
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SEE ALSO

48       wcscspn(),  the  Base  Definitions  volume   of   IEEE Std 1003.1-2001,
49       <wchar.h>
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52       Portions  of  this text are reprinted and reproduced in electronic form
53       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
54       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
55       Specifications Issue 6, Copyright (C) 2001-2003  by  the  Institute  of
56       Electrical  and  Electronics  Engineers, Inc and The Open Group. In the
57       event of any discrepancy between this version and the original IEEE and
58       The  Open Group Standard, the original IEEE and The Open Group Standard
59       is the referee document. The original Standard can be  obtained  online
60       at http://www.opengroup.org/unix/online.html .
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64IEEE/The Open Group                  2003                           WCSSPN(3P)
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