diff --git a/lib/roken/roken-common.h b/lib/roken/roken-common.h
index cb450468f..27a1aff9e 100644
--- a/lib/roken/roken-common.h
+++ b/lib/roken/roken-common.h
@@ -116,6 +116,10 @@
 #define _PATH_HEQUIV "/etc/hosts.equiv"
 #endif
 
+#ifndef _PATH_VARRUN
+#deifne _PATH_VARRUN "/var/run/"
+#endif
+
 #ifndef MAXPATHLEN
 #define MAXPATHLEN (1024+4)
 #endif
@@ -290,4 +294,10 @@ void timevalfix(struct timeval *t1);
 void timevaladd(struct timeval *t1, const struct timeval *t2);
 void timevalsub(struct timeval *t1, const struct timeval *t2);
 
+void write_pid_file (const char *progname);
+void delete_pid_file (void);
+
+int
+read_environment(const char *file, char ***env);
+
 #endif /* __ROKEN_COMMON_H__ */