@@ -28,10 +28,17 @@
 #endif
 
 #ifndef O_BINARY
 # define O_BINARY 0
 #endif
+
+#ifndef S_IRGRP
+# define S_IRGRP 0
+#endif
+#ifndef S_IROTH
+# define S_IROTH 0
+#endif
 
 #define DEFAULT_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
 
 OFFile *of_stdin = nil;
 OFFile *of_stdout = nil;