+void dump_penalties(struct individual **population);
+
+double gen_movement(void);
+double gen_movement_uniform(void);
+void gen_coords(struct placement *p);
+void gen_coords_point(struct placement *p);
+void gen_coords_segment(struct placement *p);
+void gen_coords_area(struct placement *p);
+
+struct map_part **get_map_parts(struct placement *p);
+void update_map_parts(struct placement *p);
+
+void make_segments_old(void);
+
+void labeller_cleanup(void);
+
+struct individual **perform_crossover(struct individual *parent1, struct individual *parent2);
+void perform_mutation(struct individual *individual);
+
+void hide_segment_labels(struct individual *individual);
+void init_placement(struct placement *p, struct individual *individual, struct request *r);
+void init_individual(struct individual *i);
+struct map_part **get_parts(struct placement *symbol, struct individual *individual);
+
+int randint(int min, int max);
+
+struct placement **get_closure(struct placement *placement, struct individual *parent1, struct individual *parent2);
+void copy_symbols(struct placement **closure, struct individual *parent, struct individual *child);
+void move_symbol(struct placement *p);
+void move_symbol_point(struct placement *p);
+void move_symbol_segment(struct placement *p);
+
+struct placement **get_overlapping(struct placement *p);
+void filter(struct placement **list, bool *pred);
+
+int flip(int a, int b);
+double randdouble(void);
+
+void cleanup(void);
+
+void copy_individual(struct individual *src, struct individual *dest);
+
+int max2(int a, int b);
+int min2(int a, int b);
+int max4(int a, int b, int c, int d);
+int min4(int a, int b, int c, int d);
+
+struct placement dummy_placement;
+
+int max2(int a, int b)
+{
+ return (a > b ? a : b);
+}
+
+int min2(int a, int b)
+{
+ return (a < b ? a : b);
+}
+
+int max4(int a, int b, int c, int d)
+{
+ return max2(max2(a, b), max2(c, d));
+}
+
+int min4(int a, int b, int c, int d)
+{
+ return min2(min2(a, b), min2(c, d));
+}