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.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
.TH "WCSSPN" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
.\" wcsspn
.SH NAME
wcsspn \- get the length of a wide substring
.SH SYNOPSIS
.LP
\fB#include <wchar.h>
.br
.sp
size_t wcsspn(const wchar_t *\fP\fIws1\fP\fB, const wchar_t *\fP\fIws2\fP\fB);
.br
\fP
.SH DESCRIPTION
.LP
The \fIwcsspn\fP() function shall compute the length (in wide characters)
of the maximum initial segment of the wide-character
string pointed to by \fIws1\fP which consists entirely of wide-character
codes from the wide-character string pointed to by
\fIws2\fP.
.SH RETURN VALUE
.LP
The \fIwcsspn\fP() function shall return the length of the initial
substring of \fIws1\fP; no return value is reserved to
indicate an error.
.SH ERRORS
.LP
No errors are defined.
.LP
\fIThe following sections are informative.\fP
.SH EXAMPLES
.LP
None.
.SH APPLICATION USAGE
.LP
None.
.SH RATIONALE
.LP
None.
.SH FUTURE DIRECTIONS
.LP
None.
.SH SEE ALSO
.LP
\fIwcscspn\fP() , the Base Definitions volume of IEEE\ Std\ 1003.1-2001,
\fI<wchar.h>\fP
.SH 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 .
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