OpenBSD fixes for dtcm. There are no global "timezone" and "tzname" symbols on BSD. Apart from that, mainly #ifdefs.

cde/programs/dtcm/server/rtable4.c

@@ -45,7 +45,11 @@
 #include <sys/time.h>
 #include <sys/signal.h>
 #include <rpc/rpc.h>
+#if defined(CSRG_BASED)
+#define MAXINT INT_MAX
+#else
 #include <values.h>
+#endif
 #include <string.h>
 #include <pwd.h>
 #ifdef SUNOS
@@ -1406,12 +1410,21 @@ extern long *
 _DtCm_rtable_gmtoff_4_svc(void *args, struct svc_req *svcrq)
 {
 	static long gmtoff;
+#if !defined(CSRG_BASED)
 	extern long timezone;
+#else
+	struct tm *t;
+#endif
 
 	if (debug)
 		fprintf(stderr, "_DtCm_rtable_gmtoff_4_svc called\n");
 
+#if defined(CSRG_BASED)
+	t = localtime(time(NULL));
+	gmtoff = t->tm_gmtoff;
+#else
 	gmtoff = timezone;
+#endif
 	return(&gmtoff);
 }