https://bugs.gentoo.org/871375
--- a/dispdata.c
+++ b/dispdata.c
@@ -42,3 +42,3 @@
 
-extern destroy_program;
+extern int destroy_program;
 extern Semaphore masterdo;
--- a/netwatch.c
+++ b/netwatch.c
@@ -608,2 +608,4 @@
 void findaddr (u_int32_t searchaddr);
+int doeth ();
+int gh (int opt);
 
--- a/netwatch.h
+++ b/netwatch.h
@@ -220,2 +220,4 @@
 char *servicenm( char *s, int port);
+void uthread_wait( long usec);
+int dokeyin (int force);