- Function
Convert a character into its upper case representation.
- Header
- Declaration
int __fastcall__ toupper (int c);
- Description
The function returns the given character converted to upper case. If the given character is not a letter, it is returned unchanged.
- Limits
- The function is only available as fastcall function, so it may only be used in presence of a prototype.
- Availability
ISO 9899
- See also
- Example
None.