void savegame(int slot);
void loadgame(int slot);
void slotinfo(char **pinfo, int slot);
-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);
+bool issolid(float x, float y);
+bool isbrick(float x, float y);
+bool isice(float x, float y);
+bool isfullbox(float x, float y);
+bool 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);