move a couple of functions from common code (options.c) to udhcpd private
code (files.c) to make udhcpc a little smaller.
diff --git a/networking/udhcp/files.h b/networking/udhcp/files.h
index 279738a..4af61b0 100644
--- a/networking/udhcp/files.h
+++ b/networking/udhcp/files.h
@@ -14,4 +14,7 @@
void write_leases(void);
void read_leases(const char *file);
+struct option_set *find_option(struct option_set *opt_list, char code);
+void attach_option(struct option_set **opt_list, struct dhcp_option *option, char *buffer, int length);
+
#endif