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Linux 2.6 - man page for getwchar (linux section 3)

GETWCHAR(3)						     Linux Programmer's Manual						       GETWCHAR(3)

NAME
getwchar - read a wide character from standard input
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). +-----------+---------------+---------+ |Interface | Attribute | Value | +-----------+---------------+---------+ |getwchar() | Thread safety | MT-Safe | +-----------+---------------+---------+
CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C99.
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 char- acter.
SEE ALSO
fgetwc(3), unlocked_stdio(3)
GNU
2017-09-15 GETWCHAR(3)

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