程式語言 - Allegro - Hello, world!

參考資訊：
https://www.raylib.com/
https://github.com/raysan5/raylib

main.c

#include <stdio.h>
#include <stdlib.h>
#include <allegro5/allegro.h>

int main(void)
{
    ALLEGRO_DISPLAY *disp = NULL;

    al_init();

    disp = al_create_display(320, 240);
    al_set_window_title(disp, "Hello, world!");

    al_clear_to_color(al_map_rgb(255, 255, 255));
    al_flip_display();
    al_rest(30);

    al_destroy_display(disp);

    return 0;
}

編譯、測試

$ gcc main.c -o main `pkg-config --libs --cflags allegro-5 allegro_image-5`
$ ./main