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   wcscspn.3p    ( 3 )

получить длину дополнительной широкой подстроки (get the length of a complementary wide substring)

Пролог (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.


Имя (Name)

wcscspn — get the length of a complementary wide substring


Синопсис (Synopsis)

#include <wchar.h>

size_t wcscspn(const wchar_t *ws1, const wchar_t *ws2);


Описание (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 POSIX.1‐2017 defers to the ISO C standard.

The wcscspn() 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 not from the wide-character string pointed to by ws2.


Возвращаемое значение (Return value)

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


Ошибки (Error)

No errors are defined.

The following sections are informative.


Примеры (Examples)

None.

Использование в приложениях (Application usage)

None.


Обоснование (Rationale)

None.


Будущие направления (Future directions)

None.


Смотри также (See also)

wcsspn(3p)

The Base Definitions volume of POSIX.1‐2017, wchar.h(0p)