--- /dev/null
+
+void init_acl(struct list_head *acl, char * const *acl_info, int num);
+int host_in_acl(int fd, struct list_head *acl);
+void add_acl_entry(struct list_head *acl, struct in_addr addr,
+ int netmask);
+void del_acl_entry(struct list_head *acl, struct in_addr addr,
+ int netmask);
+char *get_acl_contents(struct list_head *acl);