參考資訊:
https://libctru.devkitpro.org/index.html
https://github.com/devkitPro/3ds-examples
main.c
#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
int main(void)
{
SDL_Surface *bmp = SDL_LoadBMP("sdmc:/3ds/main.bmp");
SDL_SaveBMP(bmp, "sdmc:/3ds/saved.bmp");
SDL_FreeSurface(bmp);
SDL_Quit();
return 0;
}