Get the path used for internal storage for this OpenHarmony application.
Defined in <SDL3/SDL_system.h>
const char * SDL_GetOpenHarmonyInternalStoragePath(void);(const char *) Returns the path used for internal storage or NULL on failure; call SDL_GetError() for more information.
This path is unique to your application and cannot be written to by other applications.
Your internal storage path is typically: /data/storage/el2/base/files.
This function is available since SDL 3.6.0.