diff -ur argus-2.0.6.fixes.1/common/argus_filter.c argus-2.0.6.fixes.1-libpcap10/common/argus_filter.c
--- argus-2.0.6.fixes.1/common/argus_filter.c	2004-05-10 15:29:10.000000000 +0200
+++ argus-2.0.6.fixes.1-libpcap10/common/argus_filter.c	2009-10-04 08:41:35.000000000 +0200
@@ -3106,6 +3106,8 @@
 }
 
 #ifdef BDEBUG
+static void bpf_dump_internal(struct bpf_program *p, int option);
+
 opt_dump(root)
    struct block *root;
 {
@@ -3113,7 +3115,7 @@
 
    memset(bids, 0, sizeof bids);
    f.bf_insns = Argusicode_to_fcode(root, &f.bf_len);
-   bpf_dump(&f, 1);
+   bpf_dump_internal(&f, 1);
    putchar('\n');
    free((char *)f.bf_insns);
 }
@@ -3603,6 +3605,7 @@
 
 
 
+#ifdef BDEBUG
 /*
  * Copyright (c) 1992, 1993, 1994
  *   The Regents of the University of California.  All rights reserved.
@@ -3628,10 +3631,8 @@
 
 #include <stdio.h>
 
-extern void bpf_dump(struct bpf_program *, int);
-
-void
-bpf_dump(struct bpf_program *p, int option)
+static void
+bpf_dump_internal(struct bpf_program *p, int option)
 {
    struct bpf_insn *insn;
    int i;
@@ -3653,13 +3654,12 @@
       return;
    }
    for (i = 0; i < n; ++insn, ++i) {
-#ifdef BDEBUG
       extern int bids[];
       printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
-#endif
       puts(Argusbpf_image(insn, i));
    }
 }
+#endif
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1993, 1994
diff -ur argus-2.0.6.fixes.1/include/argus_filter.h argus-2.0.6.fixes.1-libpcap10/include/argus_filter.h
--- argus-2.0.6.fixes.1/include/argus_filter.h	2004-02-23 16:00:36.000000000 +0100
+++ argus-2.0.6.fixes.1-libpcap10/include/argus_filter.h	2009-10-04 08:37:48.000000000 +0200
@@ -142,8 +142,6 @@
 u_int ipaddrtonetmask(u_int);
 u_int getnetnumber(u_int);
 
-void bpf_dump(struct bpf_program *, int);
-
 char *intoa(u_int);
 static SIGRET nohostname(int);
 char * getname(u_char *);
@@ -225,8 +223,6 @@
 extern u_int ipaddrtonetmask(u_int);
 extern u_int getnetnumber(u_int);
 
-extern void bpf_dump(struct bpf_program *, int);
-
 extern char *intoa(u_int);
 extern char * getname(u_char *);
 
diff -ur argus-2.0.6.fixes.1/server/ArgusSource.h argus-2.0.6.fixes.1-libpcap10/server/ArgusSource.h
--- argus-2.0.6.fixes.1/server/ArgusSource.h	2004-02-23 16:00:36.000000000 +0100
+++ argus-2.0.6.fixes.1-libpcap10/server/ArgusSource.h	2009-10-04 08:57:29.000000000 +0200
@@ -324,8 +324,6 @@
 
 int ArgusCreatePktFromFddi(const struct fddi_header *, struct ether_header *, int);
 
-extern char *bpf_image(struct bpf_insn *, int);
-
 
 #else /* defined(ArgusSource) */