sdlToupper function stdinc

int sdlToupper(
  1. int x
)

Convert low-ASCII English letters to uppercase.

WARNING: Regardless of system locale, this will only convert ASCII values 'a' through 'z' to uppercase.

This function returns the uppercase equivalent of x. If a character cannot be converted, or is already uppercase, this function returns x.

\param x character value to check. \returns capitalized version of x, or x if no conversion available.

\threadsafety It is safe to call this function from any thread.

\since This function is available since SDL 3.2.0.

extern SDL_DECLSPEC int SDLCALL SDL_toupper(int x)

Implementation

int sdlToupper(int x) {
  final sdlToupperLookupFunction = _libSdl
      .lookupFunction<Int32 Function(Int32 x), int Function(int x)>(
        'SDL_toupper',
      );
  return sdlToupperLookupFunction(x);
}