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fwide(3c) [opensolaris man page]

fwide(3C)						   Standard C Library Functions 						 fwide(3C)

NAME
fwide - set stream orientation SYNOPSIS
#include <stdio.h> #include <wchar.h> int fwide(FILE *stream, int mode); DESCRIPTION
The fwide() function determines the orientation of the stream pointed to by stream. If mode is greater than 0, the function first attempts to make the stream wide-orientated. If mode is less than 0, the function first attempts to make the stream byte-orientated. Otherwise, mode is 0 and the function does not alter the orientation of the stream. If the orientation of the stream has already been determined, fwide() does not change it. Because no return value is reserved to indicate an error, an application wishing to check for error situations should set errno to 0, then call fwide(), then check errno and if it is non-zero, assume an error has occurred. RETURN VALUES
The fwide() function returns a value greater than 0 if, after the call, the stream has wide-orientation, a value less than 0 if the stream has byte-orientation, or 0 if the stream has no orientation. ERRORS
The fwide() function may fail if: EBADF The stream argument is not a valid stream. USAGE
A call to fwide() with mode set to 0 can be used to determine the current orientation of a stream. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5), standards(5) SunOS 5.11 24 Jul 2002 fwide(3C)

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fwide(3C)																 fwide(3C)

NAME
fwide() - set stream orientation SYNOPSIS
DESCRIPTION
The function determines the orientation of the stream pointed to by stream. If mode is greater than zero, the function first attempts to make the stream wide-oriented. If mode is less than zero, the function first attempts to make the stream byte-oriented. Otherwise, mode is zero and the function does not alter the orientation of the stream. If the orientation of the stream has already been determined, does not change it. Because no return value is reserved to indicate an error, an application wishing to check for error situations should set to 0, then call then check and if it is non-zero, assume an error has occurred. APPLICATION USAGE
A call to with mode set to 0 can be used to determine the current orientation of a stream. The prototype of this function is available to applications if they are: a. conformant. b. Compiled with macro with a value >=500. c. Compiled with macro with a value >= 200112. RETURN VALUE
The function returns 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. ERRORS
The function may fail if: The stream argument is not a valid stream. AUTHOR
was developed by HP and Mitsubishi Electric Corporation. SEE ALSO
orientation(5), thread_safety(5). fwide(3C)
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