|| POSIX Programmer's Manual
PROLOG This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME wcsspn - get the length of a wide substring
size_t wcsspn(const wchar_t *
, const wchar_t *
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
RETURN VALUE The
wcsspn() function shall return the length of the initial substring of
ws1; no return value is reserved to indicate an error.
No errors are defined.
The following sections are informative.
APPLICATION USAGE None.
FUTURE DIRECTIONS None.
wcscspn(), the Base Definitions volume of IEEE Std 1003.1-2001,
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 .