__SRD
std(__SRD, STDIN_FILENO),
ret = __SRD;
else if (flags == __SRD)
fp->_w = fp->_flags & (__SLBF|__SNBF|__SRD) ? 0 : fp->_bf._size;
if (fp->_flags & __SRD) {
if (!(fp->_flags & __SRD) && (fp->_flags & __SWR) &&
flags = __SRD; /* read only */
if ((fp->_flags & __SRD) == 0) {
fp->_flags |= __SRD;
if ((fp->_flags & __SRD) == 0) {
fp->_flags |= __SRD;
f._flags = __SRD;
f._flags = __SRD;
if (fp->_flags & __SRD) {
fp->_flags &= ~(__SRD|__SEOF);