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The Open Group Base Specifications Issue 7, 2018 edition
IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008)
Copyright © 2001-2018 IEEE and The Open Group

NAME

getwchar - get a wide character from a stdin stream

SYNOPSIS

#include <wchar.h>

wint_t getwchar(void);

DESCRIPTION

[CX] [Option Start] 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. [Option End]

The getwchar() function shall be equivalent to getwc(stdin).

RETURN VALUE

Refer to fgetwc.

ERRORS

Refer to fgetwc.

The following sections are informative.

EXAMPLES

None.

APPLICATION USAGE

If the wint_t value returned by getwchar() is stored into a variable of type wchar_t and then compared against the wint_t macro WEOF, the result may be incorrect. Only the wint_t type is guaranteed to be able to represent any wide character and WEOF.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

Standard I/O Streams, fgetwc, getwc

XBD <wchar.h>

CHANGE HISTORY

First released as a World-wide Portability Interface in Issue 4. Derived from the MSE working draft.

Issue 7

POSIX.1-2008, Technical Corrigendum 1, XSH/TC1-2008/0271 [14] is applied.

End of informative text.

 

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