redirect output messages to stderr

1 files changed, 2 insertions, 0 deletions

diff --git a/src/fnet/fnet.h b/src/fnet/fnet.h
index b4b7e6a37..78d6eb1c6 100644
--- a/src/fnet/fnet.h
+++ b/src/fnet/fnet.h
@@ -24,10 +24,12 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
+#include <stdarg.h>
 #include "../include/common.h"
 
 // main.c
 extern int arg_quiet;
+extern void fmessage(char* fmt, ...); // TODO: this function is duplicated in src/firejail/util.c
 
 // veth.c
 int net_create_veth(const char *dev, const char *nsdev, unsigned pid);