`getchar.3p` ( 3 )

получить байт из потока стандартного ввода (get a byte from a stdin 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)

getchar — get a byte from a stdin stream

Синопсис (Synopsis)

#include <stdio.h>

int getchar(void);

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 getchar() function shall be equivalent to getc(stdin).

Возвращаемое значение (Return value)

Refer to fgetc(3p).

Ошибки (Error)

Refer to fgetc(3p).

The following sections are informative.

Примеры (Examples)

None.

Использование в приложениях (Application usage)

If the integer value returned by getchar() is stored into a variable of type char and then compared against the integer constant EOF, the comparison may never succeed, because sign- extension of a variable of type char on widening to integer is implementation-defined.

Обоснование (Rationale)

None.

Будущие направления (Future directions)