LDBL_DIG           38 maint/gnulib/lib/float.in.h # undef LDBL_DIG
LDBL_DIG           39 maint/gnulib/lib/float.in.h # define LDBL_DIG        18
LDBL_DIG           71 maint/gnulib/lib/float.in.h # undef LDBL_DIG
LDBL_DIG           72 maint/gnulib/lib/float.in.h # define LDBL_DIG        18