Convert SDL commands to OpenGL

HI

how would those sdl commands look in OpenGL?

Many thanks

    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);

   SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);

   SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);

   SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);

   SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);

   SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);

   SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);

   SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);

   SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, kStencilBits);

   SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);

   SDL_GL_SwapWindow(window);

  SDL_GL_DeleteContext(glContext);