getwchar(3) Linux Man Page - System Grab Bag

Name

getwchar - read a wide character from standard input

Library

Standard C library ( libc ", " -lc )

Synopsis

#include <wchar.h> 
"wint_t getwchar(void);"

Description

The getwchar() function is the wide-character equivalent of the getchar(3) function. It reads a wide character from stdin and returns it. If the end of stream is reached, or if ferror(stdin) becomes true, it returns WEOF .If a wide-character conversion error occurs, it sets errno to EILSEQ and returns WEOF .

For a nonlocking counterpart, see unlocked_stdio(3).

Return Value

The getwchar() function returns the next wide-character from standard input, or WEOF .

Attributes

For an explanation of the terms used in this section, see attributes(7). allbox; lbx lb lb T{ getwchar()

Interface	Attribute	Value
T}	Thread safety	MT-Safe

Standards

C11, POSIX.1-2008.

History

C99, POSIX.1-2001.

Notes

The behavior of getwchar() depends on the LC_CTYPE category of the current locale.

It is reasonable to expect that getwchar() will actually read a multibyte sequence from standard input and then convert it to a wide character.