diff --git a/src/node.c b/src/node.c
index 499651d..d90071d 100644
--- a/src/node.c
+++ b/src/node.c
@@ -13,6 +13,12 @@
 
 /* ----  Fonctions utilitaires  ---- */
 
+void debug_print(char message_debug){
+	if (debug_flag == 1) {
+		printf("\x1b[33m\x1b[4m>> Debug :\x1b[0m\x1b[33m %s\x1b[0m\n", message_debug );
+	}
+}
+
 // Get list length
 int len_list(list *l) {
 	int len = 0;
@@ -292,6 +298,8 @@ void listen_for_packets(){
 
 int main(int argc, const char *argv[]) {
     int cont = 1;
+	int debug_flag = 0;
+
 
     while(cont){
 
diff --git a/src/node.h b/src/node.h
index d4ba94b..be84adf 100644
--- a/src/node.h
+++ b/src/node.h
@@ -88,6 +88,8 @@ void t_get_network_state();
 // Helper functions
 int len_list(list *l);
 
+void debug_print(char message_debug);
+
 neighbour_peer *get_random_neighbour();
 
 #endif