__SLBF             50 maint/gnulib/lib/fbufmode.c   if (fp_->_flags & __SLBF)
__SLBF             82 maint/gnulib/lib/fpurge.c   fp_->_w = ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully buffered and not currently reading? */
__SLBF             72 maint/gnulib/lib/fseeko.c       && fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully buffered and not currently reading? */