--- a/dcd.c
+++ b/dcd.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <ctype.h>
 #include <getopt.h>
+#include <time.h>
 
 #define ZERO 0
 #define MAX_TRACKS 103
--- a/screenop.c
+++ b/screenop.c
@@ -10,6 +10,7 @@
 #include "cdindex.h"
 #include <unistd.h>
 #include <stdio.h>
+#include <string.h>
 
 void disk_directory(void) {
   u_char ct = cd_current_track();