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wcsspn (3)

wcsspn (3) ( FreeBSD man: Библиотечные вызовы )

wcsspn (3) ( Русские man: Библиотечные вызовы )

wcsspn (3) ( Linux man: Библиотечные вызовы )

>> wcsspn (3) ( POSIX man: Библиотечные вызовы )

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 functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.

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.

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 .