> It works because each character contains a value
It works because you assume the the character set is contiguous, and is basically US-ASCII
Read about http://en.wikipedia.org/wiki/EBCDIC
Then read about locales.
Using toupper() etc will hide the locale and encoding details from you.
> char *str = new char[strlen(text)];
You also forgot to allocate space for the \0 at the end.
> It works because you assume the the character set is contiguous, and is basically US-ASCII
Or Unicode, and Unicode is the future of character sets. Edward definitely recommends toupper, but when was the last time you worked on an IBM mainframe? ;)
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