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NetBSD 6.1.5 - man page for fwide (netbsd section 3)

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FWIDE(3)			   BSD Library Functions Manual 			 FWIDE(3)

     fwide -- get/set orientation of a stream

     Standard C Library (libc, -lc)

     #include <stdio.h>
     #include <wchar.h>

     fwide(FILE *stream, int mode);

     The fwide() function determines the orientation of the stream pointed at by stream.

     If the orientation of stream has already been determined, fwide() leaves it unchanged.  Oth-
     erwise, fwide() sets the orientation of stream according to mode.

     If mode is less than zero, stream is set to byte-oriented.  If it is greater than zero,
     stream is set to wide-oriented.  Otherwise, mode is zero, and stream is unchanged.

     fwide() returns a value according to orientation after the call of fwide(); a value less
     than zero if byte-oriented, a value greater than zero if wide-oriented, and zero if the
     stream has no orientation.

     ferror(3), fgetc(3), fgetwc(3), fopen(3), fputc(3), fputwc(3), freopen(3), stdio(3)

     The fwide() function conforms to ISO/IEC 9899:1999 (``ISO C99'').

BSD					 October 24, 2001				      BSD
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