__SNBF
fp->_w = t & (__SLBF|__SNBF) ? 0 : fp->_bf._size;
std(__SWR|__SNBF, STDERR_FILENO) /* stderr */
fp->_w = fp->_flags & (__SLBF|__SNBF) ? 0 : fp->_bf._size;
if ((fp->_flags & __SNBF) != 0) {
if (fp->_flags & (__SWR | __SRW | __SNBF | __SNPT))
if (fp->_flags & __SNBF) {
return __SNBF;
if (fp->_flags & __SNBF)
if ((fp->_flags & (__SLBF|__SNBF|__SMBF)) == 0
if (flags & __SNBF)
fp->_flags |= __SNBF;
flags |= __SNBF;
if (fp->_flags & (__SLBF|__SNBF)) {
fp->_flags = flags | __SNBF;
flags &= ~(__SLBF | __SNBF | __SMBF | __SOPT | __SNPT | __SEOF);
fake._flags = fp->_flags & ~__SNBF;
if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
fp->_w = fp->_flags & __SNBF ? 0 : fp->_bf._size;