--- ngrep.c-orig	Mon Jun 28 10:16:15 1999
+++ ngrep.c	Mon Jun 28 10:19:28 1999
@@ -209,10 +209,12 @@
     ip_offset = PPPHDR_SIZE;
     break;
 
+#if defined(DLT_RAW)
   case DLT_RAW: 
     ip_offset = RAWHDR_SIZE;
     break;
-
+#endif
+    
   default:
     fprintf(stderr,"fatal: unsupported interface type\n");
     exit(-1);