бит US-ASCII символ (bit US-ASCII character)
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)
isascii — test for a 7-bit US-ASCII character
Синопсис (Synopsis)
#include <ctype.h>
int isascii(int c);
Описание (Description)
The isascii() function shall test whether c is a 7-bit US-ASCII
character code.
The isascii() function is defined on all integer values.
Возвращаемое значение (Return value)
The isascii() function shall return non-zero if c is a 7-bit US-
ASCII character code between 0 and octal 0177 inclusive;
otherwise, it shall return 0.
Ошибки (Error)
No errors are defined.
The following sections are informative.
Примеры (Examples)
None.
Использование в приложениях (Application usage)
The isascii() function cannot be used portably in a localized
application.
Обоснование (Rationale)
None.
Будущие направления (Future directions)
The isascii() function may be removed in a future version.
Смотри также (See also)
The Base Definitions volume of POSIX.1‐2017, ctype.h(0p)
