-#ifndef CREDIT_MANAGER_H_
-#define CREDIT_MANAGER_H_
+#ifndef CREDIT_MANAGER_H
+#define CREDIT_MANAGER_H
+
struct credits_t *find_credit(char *name);
-void credit_manager();
-#endif
+void deposit_credit(char *input);
+void credit_manager(void);
+
+#endif /* CREDIT_MANAGER_H */