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   ferror.3p    ( 3 )

индикатор ошибки теста на потоке (test error indicator on a stream)

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)

ferror — test error indicator on a stream


Синопсис (Synopsis)

#include <stdio.h>

int ferror(FILE *stream);


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 ferror() function shall test the error indicator for the stream pointed to by stream.

The ferror() function shall not change the setting of errno if stream is valid.


Возвращаемое значение (Return value)

The ferror() function shall return non-zero if and only if the error indicator is set for stream.


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)

clearerr(3p), feof(3p), fopen(3p)

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