--- /dev/null
+/* mutation.c */
+extern bool gain_random_mutation(int choose_mut);
+extern bool lose_mutation(int choose_mut);
+extern void lose_all_mutations(void);
+extern void dump_mutations(FILE *OutFile);
+extern void do_cmd_knowledge_mutations(void);
+extern int calc_mutant_regenerate_mod(void);
+extern bool mutation_power_aux(int power);