getwchar()

Read a wide character from standard input

Synopsis:

#include <wchar.h> 

wint_t getwchar( void );

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

The getwchar() function reads the next wide character from stdin.

If successful, getwchar() returns the next character from stdin, cast as (wint_t)(wchar_t).
If the end-of-file indicator for the stream is set or the stream is at the end of the file, getwchar() sets the end-of-file indicator and returns WEOF.
If an error occurred, getwchar() sets the error indicator for the stream, sets errno, and returns WEOF.

Note: Use feof() or ferror() to distinguish an end-of-file condition from an error.

EAGAIN: The O_NONBLOCK flag is set for stdin and would have been blocked by this operation.
EINTR: A signal terminated the read operation; no data was transferred.
EIO: Either a physical I/O error has occurred, or the process is in the background and is being ignored or blocked.
EOVERFLOW: Cannot read at or beyond the offset maximum for this stream.