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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
+.TH "FWIDE" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" fwide 
+.SH NAME
+fwide \- set stream orientation
+.SH SYNOPSIS
+.LP
+\fB#include <stdio.h>
+.br
+#include <wchar.h>
+.br
+.sp
+int fwide(FILE *\fP\fIstream\fP\fB, int\fP \fImode\fP\fB);
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIfwide\fP() function shall determine the orientation of the
+stream pointed to by \fIstream\fP. If \fImode\fP is greater
+than zero, the function first attempts to make the stream wide-oriented.
+If \fImode\fP is less than zero, the function first
+attempts to make the stream byte-oriented. Otherwise, \fImode\fP is
+zero and the function does not alter the orientation of the
+stream.
+.LP
+If the orientation of the stream has already been determined, \fIfwide\fP()
+shall not change it.
+.LP
+Since no return value is reserved to indicate an error, an application
+wishing to check for error situations should set
+\fIerrno\fP to 0, then call \fIfwide\fP(), then check \fIerrno\fP,
+and if it is non-zero, assume an error has occurred. 
+.SH RETURN VALUE
+.LP
+The \fIfwide\fP() function shall return a value greater than zero
+if, after the call, the stream has wide-orientation, a value
+less than zero if the stream has byte-orientation, or zero if the
+stream has no orientation.
+.SH ERRORS
+.LP
+The \fIfwide\fP() function may fail if:
+.TP 7
+.B EBADF
+The \fIstream\fP argument is not a valid stream. 
+.sp
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+A call to \fIfwide\fP() with \fImode\fP set to zero can be used to
+determine the current orientation of a stream.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+The Base Definitions volume of IEEE\ Std\ 1003.1-2001, \fI<wchar.h>\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .