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Set or get the stream orientation
#include <wchar.h>
int fwide( FILE * fp,
int mode );
- fp
- The stream whose orientation you want to set.
- mode
- The orientation mode:
- If mode is greater than zero and the stream orientation
hasn't been set, fwide() flags the stream as wide-oriented.
- If mode is less than zero, fwide() behaves
similarly, but flags the stream as byte-oriented.
- If mode is zero, fwide() returns the stream type
without altering the stream.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The fwide() function sets or
determines the orientation of the stream fp.
- > 0
- The stream is (now) wide-oriented.
- 0
- The stream is unbound.
- < 0
- The stream is (now) byte-oriented.
- EBADF
- The fp argument isn't valid.
ANSI,
POSIX 1003.1
Safety: | |
Cancellation point |
Yes |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
fgets(),
fgetws(),
fputs(),
fputwc()
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