fp_ub             115 maint/gnulib/lib/stdio-impl.h #  define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub
fp_ub             122 maint/gnulib/lib/stdio-impl.h #  define fp_ub ((struct __sfileext *) fp_->_ext._base)->_ub
fp_ub             124 maint/gnulib/lib/stdio-impl.h #  define fp_ub fp_->_ub