char *ll2str(longlong val,char *dst,int radix, int upcase) { return longlong2str_with_dig_vector(val, dst, radix, upcase?_dig_vec_upper:_dig_vec_lower); }
char *longlong2str(longlong val,char *dst,int radix) { return longlong2str_with_dig_vector(val, dst, radix, _dig_vec_upper); }