sdlIsupper function stdinc

int sdlIsupper(
  1. int x
)

Report if a character is upper case.

WARNING: Regardless of system locale, this will only treat ASCII values 'A' through 'Z' as true.

\param x character value to check. \returns non-zero if x falls within the character class, zero otherwise.

\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_isupper(int x)

Implementation

int sdlIsupper(int x) {
  final sdlIsupperLookupFunction = _libSdl
      .lookupFunction<Int32 Function(Int32 x), int Function(int x)>(
        'SDL_isupper',
      );
  return sdlIsupperLookupFunction(x);
}