--- a/libned/ned_sk.c
+++ b/libned/ned_sk.c
@@ -57,6 +57,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <arpa/inet.h>
 #include <netdb.h>
 
 #include <sys/resource.h>
--- a/gethead.c
+++ b/gethead.c
@@ -32,6 +32,8 @@
 #include "libwcs/fitsfile.h"
 #include "libwcs/wcscat.h"
 
+void fk425();
+
 #define MAXKWD 100
 #define MAXFILES 2000
 static int maxnkwd = MAXKWD;