--- gforth/Attic/engine.c	1994/10/24 19:15:56	1.19
+++ gforth/Attic/engine.c	1995/01/10 18:57:42	1.22
@@ -13,12 +13,18 @@
 #include <stdlib.h>
 #include <time.h>
 #include <sys/time.h>
+#include <unistd.h>
 #include "forth.h"
 #include "io.h"
 
+#ifndef SEEK_SET
+/* should be defined in stdio.h, but some systems don't have it */
+#define SEEK_SET 0
+#endif
+
 typedef union {
   struct {
-#ifdef BIG_ENDIAN
+#ifdef WORDS_BIGENDIAN
     Cell high;
     Cell low;
 #else
@@ -117,6 +123,9 @@ char *cstr(Char *from, UCell size, int c
 
 #define NEWLINE	'\n'
 
+#ifndef HAVE_RINT
+#define rint(x)	floor((x)+0.5)
+#endif
 
 static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"};