`wcsdup.3p` ( 3 )

строка символов (character string)

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)

wcsdup — duplicate a wide-character string

Синопсис (Synopsis)

#include <wchar.h>

wchar_t *wcsdup(const wchar_t *string);

Описание (Description)

The wcsdup() function is the wide-character equivalent of the strdup() function.

The wcsdup() function shall return a pointer to a new wide- character string, allocated as if by a call to malloc(), which is the duplicate of the wide-character string string. The returned pointer can be passed to free(). A null pointer is returned if the new wide-character string cannot be created.

Возвращаемое значение (Return value)

Upon successful completion, the wcsdup() function shall return a pointer to the newly allocated wide-character string. Otherwise, it shall return a null pointer and set errno to indicate the error.

Ошибки (Error)

The wcsdup() function shall fail if:

ENOMEM Memory large enough for the duplicate string could not be allocated.

The following sections are informative.

Примеры (Examples)

None.

Использование в приложениях (Application usage)

For functions that allocate memory as if by malloc(), the application should release such memory when it is no longer required by a call to free(). For wcsdup(), this is the return value.

Обоснование (Rationale)

None.

Будущие направления (Future directions)