I have been using Alentus for years and I am quite satisfied. They meet all your requirements. They are easy to work with. http://www.alentus.com

(amended from previous post -- again) I don't have a c++ compiler on hand to prove it, but I think this code does the trick for single-byte character sets: void ReverseString(char* str) { char* end = strrchr(str, 0); while(str < --end) { *str ^= *end; *end ^= *str; *str++ ^= *end; } }

(amended from previous post) I don't have a c++ compiler on hand to prove it, but I think this code does the trick for single-byte character sets: void ReverseString(char* str) { char* end = strrchr(str, 0); while(str < --end) { *str ^= *end; *end ^= *str; *str++ ^= *end--; } }

I don't have a c++ compiler on hand to prove it, but I think this code does the trick for single-byte character sets: void ReverseString(char* str) { char* end = strrchr(str, 0); while(str < --end) { str ^= end; end ^= str; str++ ^= end--; } }