char* SDL_GameControllerMapping(SDL_GameController* gamecontroller)

#include "SDL.h"

/* ... */

SDL_GameController *ctrl;
int i;

SDL_Init(SDL_INIT_GAMECONTROLLER);

for (i = 0; i < SDL_NumJoysticks(); ++i)
{
    if (SDL_IsGameController(i))
    {
        char *mapping;
        SDL_Log("Index \'%i\' is a compatible controller, named \'%s\'", i, SDL_GameControllerNameForIndex(i));
        ctrl = SDL_GameControllerOpen(i);
        mapping = SDL_GameControllerMapping(ctrl);
        SDL_Log("Controller %i is mapped as \"%s\".", i, mapping);
        SDL_free(mapping);
    }
    else
    {
        SDL_Log("Index \'%i\' is not a compatible controller.", i);
    }
}