diff --git a/astylerc b/astylerc
new file mode 100644
index 0000000..dd738b7
--- /dev/null
+++ b/astylerc
@@ -0,0 +1,11 @@
+--style=kr
+        --pad-header
+        --max-code-length=120
+                          --convert-tabs
+                          --indent-switches
+                          --pad-oper
+                          --align-pointer=name
+                                  --align-reference=name
+                                          --preserve-date
+                                          --lineend=linux
+                                                  --break-blocks
\ No newline at end of file
diff --git a/src/chat_commands.c b/src/chat_commands.c
index 4c628b3..d9de05c 100644
--- a/src/chat_commands.c
+++ b/src/chat_commands.c
@@ -128,6 +128,7 @@ void cmd_groupinvite(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*a
 
     int groupnum = atoi(argv[1]);
 
+
     if (groupnum == 0 && strcmp(argv[1], "0")) {    /* atoi returns 0 value on invalid input */
         line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Invalid group number.");
         return;
diff --git a/src/groupchat.c b/src/groupchat.c
index dabeb57..0aaa969 100644
--- a/src/groupchat.c
+++ b/src/groupchat.c
@@ -239,6 +239,7 @@ int init_groupchat_win(Tox *m, uint32_t groupnum, const char *groupname, size_t
                 return -1;
             }
 
+
             groupchat_onGroupPeerJoin(&self, m, groupnum, peer_id);
 
             return 0;
diff --git a/src/toxic.h b/src/toxic.h
index adb2a32..4f48941 100644
--- a/src/toxic.h
+++ b/src/toxic.h
@@ -114,6 +114,12 @@ void on_nickchange(Tox *m, uint32_t friendnumber, const uint8_t *string, size_t
 void on_statuschange(Tox *m, uint32_t friendnumber, TOX_USER_STATUS status, void *userdata);
 void on_statusmessagechange(Tox *m, uint32_t friendnumber, const uint8_t *string, size_t length, void *userdata);
 void on_friendadded(Tox *m, uint32_t friendnumber, bool sort);
+void on_file_chunk_request(Tox *m, uint32_t friendnumber, uint32_t filenumber, uint64_t position, size_t length,
+                           void *userdata);
+void on_groupinvite(Tox *m, int32_t friendnumber, uint8_t type, const uint8_t *group_pub_key, uint16_t length,
+                    void *userdata);
+void on_group_titlechange(Tox *m, int groupnumber, int peernumber, const uint8_t *title, uint8_t length,
+                          void *userdata);
 void on_file_chunk_request(Tox *m, uint32_t friendnumber, uint32_t filenumber, uint64_t position, size_t length,
                            void *userdata);
 void on_file_recv_chunk(Tox *m, uint32_t friendnumber, uint32_t filenumber, uint64_t position, const uint8_t *data,