-#define ST_GL_PLAY 0
-#define ST_GL_TEST 1
-
-/* Function prototypes: */
-
-int gameloop(char * subset, int levelnb, int mode);
-void savegame(void);
-void loadgame(char* filename);
-int issolid(float x, float y);
-int isbrick(float x, float y);
-int isice(float x, float y);
-int isfullbox(float x, float y);
-int rectcollision(base_type* one, base_type* two);
-void drawshape(float x, float y, unsigned char c);
-unsigned char shape(float x, float y);
-void bumpbrick(float x, float y);
-void trygrabdistro(float x, float y, int bounciness);
-void trybreakbrick(float x, float y);
-void tryemptybox(float x, float y);
-void trybumpbadguy(float x, float y);
-void add_bouncy_distro(float x, float y);
-void add_broken_brick(float x, float y);
-void add_broken_brick_piece(float x, float y, float xm, float ym);
-void add_bouncy_brick(float x, float y);
-void add_bad_guy(float x, float y, int kind);
-void add_upgrade(float x, float y, int kind);
-void add_bullet(float x, float y, float xm, int dir);
-#endif