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setfileno.c
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C/C++ Source or Header
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1994-08-12
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419b
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18 lines
/* Some known programs (xterm, pdksh?) non-portably change the _file
field of s struct _iobuf. This kludge allows the same "functionality".
This code is an undocumented feature for iostream/stdio. Use it at
your own risk. */
#include "libioP.h"
#include "stdio.h"
void
setfileno(fp, fd)
_IO_FILE* fp;
int fd;
{
CHECK_FILE(fp, );
if ((fp->_flags & _IO_IS_FILEBUF) != 0)
fp->_fileno = fd;
}