Section: Linux Programmer's Manual (3)
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fgetwc, getwc - read a wide character from a FILE stream
wint_t fgetwc(FILE *stream);
wint_t getwc(FILE *stream);
The fgetwc() function is the wide-character equivalent of the fgetc()
function. It reads a wide character from stream and returns it. If
the end of stream is reached, or if ferror(stream) becomes true,
it returns WEOF. If a wide character conversion error occurs, it sets
errno to EILSEQ and returns WEOF.
The getwc() function or macro functions identically to fgetwc().
It may be implemented as a macro, and may evaluate its argument
more than once. There is no reason ever to use it.
For non-locking counterparts, see
The fgetwc() function returns the next wide-character from the stream, or
Apart from the usual ones, there is
The data obtained from the input stream does not
form a valid character.
The behaviour of fgetwc() depends on the LC_CTYPE category of the
In the absence of additional information passed to the
call, it is
reasonable to expect that fgetwc() will actually read a multibyte sequence
from the stream and then convert it to a wide character.
- RETURN VALUE
- CONFORMING TO
- SEE ALSO
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