+/*
+ * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
+ *
+ * Copy permission is hereby granted provided that this notice is
+ * retained on all partial or complete copies.
+ *
+ * For more info on this and all of my stuff, mail edjames@berkeley.edu.
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#ifdef SYSV
+#include <sys/types.h>
+#endif
+#include <pwd.h>
+
+#ifdef BSD
+#include <sgtty.h>
+#include <sys/time.h>
+#include <sys/file.h>
+#endif
+
+#ifdef SYSV
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/utsname.h>
+#endif
+
+#include <signal.h>
+#include <math.h>
+
+#include <curses.h>
+
+#ifdef SYSV
+#define index strchr
+#define rindex strrchr
+#define bcopy(a,b,c) memcpy((b), (a), (c))
+#define bzero(a,b) memset((a), '\0', (b))
+#define srandom srand
+#define random rand
+#define sgttyb termio
+#define sg_erase c_cc[2]
+#define sg_kill c_cc[3]
+#endif
+
+#include "def.h"
+#include "struct.h"
+#include "extern.h"
+#include "tunable.h"