-const char* dhcp_support_to_string(DHCPSupport i) _const_;
-DHCPSupport dhcp_support_from_string(const char *s) _pure_;
+int config_parse_fdb_hwaddr(const char *unit, const char *filename, unsigned line,
+ const char *section, unsigned section_line, const char *lvalue,
+ int ltype, const char *rvalue, void *data, void *userdata);
+
+int config_parse_fdb_vlan_id(const char *unit, const char *filename, unsigned line,
+ const char *section, unsigned section_line, const char *lvalue,
+ int ltype, const char *rvalue, void *data, void *userdata);
+
+/* DHCP support */