lower_hexdigits   513 vsnprintf.c    #ifndef lower_hexdigits
lower_hexdigits  1002 vsnprintf.c    			xdigs = lower_hexdigits;
lower_hexdigits  1043 vsnprintf.c    			xdigs = lower_hexdigits;
lower_hexdigits  1260 vsnprintf.c    		    ch == 'a' ? lower_hexdigits : upper_hexdigits,