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Caution: This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

fwide()

Set or get the stream orientation

Synopsis:

#include <wchar.h>

int fwide( FILE * fp,
           int mode  );

Arguments:

fp
The stream whose orientation you want to set.
mode
The orientation mode:

Library:

libc

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

Description:

The fwide() function sets or determines the orientation of the stream fp.

Returns:

> 0
The stream is (now) wide-oriented.
0
The stream is unbound.
< 0
The stream is (now) byte-oriented.

Errors:

EBADF
The fp argument isn't valid.

Classification:

ANSI, POSIX 1003.1

Safety:
Cancellation point Yes
Interrupt handler No
Signal handler Yes
Thread Yes

See also:

"Stream I/O functions" and "Wide-character functions" in the summary of functions chapter.


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