-char *getlocaladdr(void);
-char *auxformat(struct mailname *, int);
+
+/*
+ * Format an email address given a struct mailname.
+ *
+ * This function takes a pointer to a struct mailname and returns a pointer
+ * to a static buffer holding the resulting email address.
+ *
+ * It is worth noting that group names are NOT handled, so if you want to
+ * do something with groups you need to handle it externally to this function.
+ *
+ * Arguments include:
+ *
+ * mp - Pointer to mailname structure
+ * extras - If true, include the personal name and/or note in the
+ * address. Otherwise, omit it.
+ */
+
+char *auxformat(struct mailname *mp, int extras);