_IO_DELETE_DONT_CLOSE
if (!(xflags() & _IO_DELETE_DONT_CLOSE))
if (!(fp->_flags & _IO_DELETE_DONT_CLOSE))
fp->_flags |= _IO_DELETE_DONT_CLOSE;
new_f->fp.file._flags &= ~_IO_DELETE_DONT_CLOSE;
tmpfil.file._flags |= _IO_DELETE_DONT_CLOSE;