SDL

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/*
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 * This example code $WHAT_IT_DOES.
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 *
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 * This code is public domain. Feel free to use it for any purpose!
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 */
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#define SDL_MAIN_USE_CALLBACKS 1  /* use the callbacks instead of main() */
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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/* We will use this renderer to draw into this window every frame. */
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static SDL_Window *window = NULL;
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static SDL_Renderer *renderer = NULL;
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/* This function runs once at startup. */
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SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
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{
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    if (SDL_Init(SDL_INIT_VIDEO) == -1) {
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        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
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        return SDL_APP_FAILURE;
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    }
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    if (SDL_CreateWindowAndRenderer("examples/CATEGORY/NAME", 640, 480, 0, &window, &renderer) == -1) {
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        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
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        return SDL_APP_FAILURE;
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    }
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    return SDL_APP_CONTINUE;  /* carry on with the program! */
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}
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/* This function runs when a new event (mouse input, keypresses, etc) occurs. */
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SDL_AppResult SDL_AppEvent(void *appstate, const SDL_Event *event)
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{
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    if (event->type == SDL_EVENT_QUIT) {
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        return SDL_APP_SUCCESS;  /* end the program, reporting success to the OS. */
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    }
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    return SDL_APP_CONTINUE;  /* carry on with the program! */
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}
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/* This function runs once per frame, and is the heart of the program. */
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SDL_AppResult SDL_AppIterate(void *appstate)
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{
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    return SDL_APP_CONTINUE;  /* carry on with the program! */
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}
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/* This function runs once at shutdown. */
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void SDL_AppQuit(void *appstate)
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{
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    /* SDL will clean up the window/renderer for us. */
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}
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