__SMBF
if (fp->_flags & __SMBF)
if (fp->_flags & __SMBF)
flags |= __SMBF;
flags |= __SMBF;
if (flags & __SMBF)
flags &= ~(__SLBF | __SNBF | __SMBF | __SOPT | __SOFF | __SNPT | __SEOF);