allegro błąd przy wyświetlaniu obrazka

#include <allegro.h>

int window_width = 800;
int window_height = 600;

BITMAP * character = NULL;

int createWindow();

int main()
{
    allegro_init();
    install_keyboard();
   
    createWindow();
   
    character = load_bmp( "ludek.bmp", default_palette );
    if( !character )
    {
        allegro_message( "error code: 1" );
        allegro_exit();
        return 0;
    }
   
    blit( character, screen, 0, 0, 100, 100, character->w, character->h );
    destroy_bitmap( character );
   
    readkey();
    allegro_exit();
    return 0;
}
END_OF_MAIN();

int createWindow()
{
    set_color_depth( 32 );
    set_gfx_mode( GFX_AUTODETECT_WINDOWED, window_width, window_height, 0, 0 );
    clear_to_color( screen, makecol( 64, 224, 208 ) );
    return 0;
}