diff --git a/src/unixfork.c b/src/unixfork.c
index acd2e8f..da2606e 100644
--- a/src/unixfork.c
+++ b/src/unixfork.c
@@ -66,9 +66,10 @@ typedef int clockid_t;
 #include <unistd.h>
 #endif /* HPUX */
 
-#if defined(SYSVONLY) || defined(OS5)
+#if defined(SYSVONLY) || defined(OS5) || defined(FREEBSD) || defined(MACOSX)
 #include <fcntl.h>
 #include <unistd.h>
+#include <time.h>
 #endif /* SYSVONLY */
 
 #include <stdio.h>
@@ -301,8 +302,6 @@ of the packet received except:
 
 */
 
-// long time(long); /* XXX where does time come from? */
-
 int fork_Unix() {
   int LispToUnix[2], /* Incoming pipe from LISP */
       UnixToLisp[2], /* Outgoing pipe to LISP */