--- a/dnscache-conf.c
+++ b/dnscache-conf.c
@@ -4,6 +4,8 @@
 #include <unistd.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <string.h>    /* strlen() */
+#include <stdio.h>     /* printf() sprintf() */
 
 #include "hasdevtcp.h"
 #ifdef HASDEVTCP