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GETWCHAR(3) Linux Programmer's Manual GETWCHAR(3)
getwchar - read a wide character from standard input
The getwchar function is the wide-character equivalent of the getchar function. It reads a
wide character from stdin and returns it. If the end of stream is reached, or if fer-
ror(stdin) becomes true, it returns WEOF. If a wide character conversion error occurs, it
sets errno to EILSEQ and returns WEOF.
For a non-locking counterpart, see unlocked_stdio(3).
The getwchar function returns the next wide-character from standard input, or WEOF.
ISO/ANSI C, UNIX98
The behaviour 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.
GNU 1999-07-25 GETWCHAR(3)
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