DBL_EXP_MASK       42 maint/gnulib/lib/float+.h #define DBL_EXP_MASK ((DBL_MAX_EXP - DBL_MIN_EXP) | 7)
DBL_EXP_MASK       56 maint/gnulib/lib/integer_length.c #  define DBL_EXP_MASK ((DBL_MAX_EXP - DBL_MIN_EXP) | 7)
DBL_EXP_MASK      651 maint/gnulib/lib/vasnprintf.c #   define DBL_EXP_MASK ((DBL_MAX_EXP - DBL_MIN_EXP) | 7)