fp_                48 lib/fpending.c   return fp_->_ptr - fp_->_buf;
fp_                50 lib/fpending.c   return (fp_->_ptr ? fp_->_ptr - fp_->_base : 0);
fp_               122 lib/stdio-impl.h #  define fp_ub ((struct __sfileext *) fp_->_ext._base)->_ub
fp_               124 lib/stdio-impl.h #  define fp_ub fp_->_ub