diff --git a/chat.c b/chat.c
index e189723..112b20b 100644
--- a/chat.c
+++ b/chat.c
@@ -29,9 +29,9 @@ extern int active_window;
 extern void del_window(ToxWindow *w, int f_num);
 extern void fix_name(uint8_t *name);
 void print_help(ChatContext *self);
-void execute(ToxWindow *self, ChatContext *ctx, char *cmd, struct tm *timeinfo);
+void execute(ToxWindow *self, ChatContext *ctx, Messenger *m, char *cmd, struct tm *timeinfo);
 
-static void chat_onMessage(ToxWindow *self, int num, uint8_t *msg, uint16_t len)
+static void chat_onMessage(ToxWindow *self, Messenger *m, int num, uint8_t *msg, uint16_t len)
 {
   ChatContext *ctx = (ChatContext*) self->x;
   uint8_t nick[MAX_NAME_LENGTH] = {0};
@@ -43,7 +43,7 @@ static void chat_onMessage(ToxWindow *self, int num, uint8_t *msg, uint16_t len)
   if (ctx->friendnum != num)
     return;
 
-  getname(num, (uint8_t*) &nick);
+  getname(m, num, (uint8_t*) &nick);
   msg[len-1] = '\0';
   nick[MAX_NAME_LENGTH-1] = '\0';
   fix_name(msg);
@@ -61,7 +61,7 @@ static void chat_onMessage(ToxWindow *self, int num, uint8_t *msg, uint16_t len)
   beep();
 }
 
-static void chat_onAction(ToxWindow *self, int num, uint8_t *action, uint16_t len)
+static void chat_onAction(ToxWindow *self, Messenger *m, int num, uint8_t *action, uint16_t len)
 {
   ChatContext *ctx = (ChatContext*) self->x;
   time_t now;
@@ -117,7 +117,7 @@ int string_is_empty(char *string)
   return rc;
 }
 
-static void chat_onKey(ToxWindow *self, int key)
+static void chat_onKey(ToxWindow *self, Messenger *m, int key)
 {
   ChatContext *ctx = (ChatContext*) self->x;
   time_t now;
@@ -155,7 +155,7 @@ static void chat_onKey(ToxWindow *self, int key)
     wmove(self->window, y2-CURS_Y_OFFSET, 0);
     wclrtobot(self->window);
     if (ctx->line[0] == '/')
-      execute(self, ctx, ctx->line, timeinfo);
+      execute(self, ctx, m, ctx->line, timeinfo);
     else {
       if (!string_is_empty(ctx->line)) {
         /* make sure the string has at least non-space character */
@@ -167,7 +167,7 @@ static void chat_onKey(ToxWindow *self, int key)
         wattroff(ctx->history, COLOR_PAIR(1));
         wprintw(ctx->history, "%s\n", ctx->line);
       }
-      if (m_sendmessage(ctx->friendnum, (uint8_t*) ctx->line, strlen(ctx->line)+1) == 0) {
+      if (m_sendmessage(m, ctx->friendnum, (uint8_t*) ctx->line, strlen(ctx->line)+1) == 0) {
         wattron(ctx->history, COLOR_PAIR(3));
         wprintw(ctx->history, " * Failed to send message.\n");
         wattroff(ctx->history, COLOR_PAIR(3));
@@ -178,7 +178,7 @@ static void chat_onKey(ToxWindow *self, int key)
   }
 }
 
-void execute(ToxWindow *self, ChatContext *ctx, char *cmd, struct tm *timeinfo)
+void execute(ToxWindow *self, ChatContext *ctx, Messenger *m, char *cmd, struct tm *timeinfo)
 {
   if (!strcmp(cmd, "/clear") || !strcmp(cmd, "/c")) {
     wclear(self->window);
@@ -210,14 +210,14 @@ void execute(ToxWindow *self, ChatContext *ctx, char *cmd, struct tm *timeinfo)
     wattroff(ctx->history, COLOR_PAIR(2));
 
     uint8_t selfname[MAX_NAME_LENGTH];
-    int len = getself_name(selfname);
+    int len = getself_name(m, selfname);
     char msg[MAX_STR_SIZE-len-4];
     snprintf(msg, sizeof(msg), "* %s %s\n", (uint8_t*) selfname, action);
 
     wattron(ctx->history, COLOR_PAIR(1));
     wprintw(ctx->history, msg);
     wattroff(ctx->history, COLOR_PAIR(1));
-    if (m_sendaction(ctx->friendnum, (uint8_t*) msg, strlen(msg)+1) < 0) {
+    if (m_sendaction(m, ctx->friendnum, (uint8_t*) msg, strlen(msg)+1) < 0) {
       wattron(ctx->history, COLOR_PAIR(3));
       wprintw(ctx->history, " * Failed to send action\n");
       wattroff(ctx->history, COLOR_PAIR(3));
@@ -256,13 +256,13 @@ void execute(ToxWindow *self, ChatContext *ctx, char *cmd, struct tm *timeinfo)
 
     msg = strchr(status, ' ');
     if (msg == NULL) {
-      m_set_userstatus(status_kind);
+      m_set_userstatus(m, status_kind);
       wprintw(ctx->history, "Status set to: %s\n", status_text);
     }
     else {
       msg++;
-      m_set_userstatus(status_kind);
-      m_set_statusmessage((uint8_t*) msg, strlen(msg)+1);
+      m_set_userstatus(m, status_kind);
+      m_set_statusmessage(m, ( uint8_t*) msg, strlen(msg)+1);
       wprintw(ctx->history, "Status set to: %s, %s\n", status_text, msg);
     }
   }
@@ -275,7 +275,7 @@ void execute(ToxWindow *self, ChatContext *ctx, char *cmd, struct tm *timeinfo)
       return;
     }
     nick++;
-    setname((uint8_t*) nick, strlen(nick)+1);
+    setname(m, (uint8_t*) nick, strlen(nick)+1);
     wprintw(ctx->history, "Nickname set to: %s\n", nick);
   }
 
@@ -312,7 +312,7 @@ static void chat_onDraw(ToxWindow *self)
   wrefresh(self->window);
 }
 
-static void chat_onInit(ToxWindow *self)
+static void chat_onInit(ToxWindow *self, Messenger *m)
 {
   int x, y;
   ChatContext *ctx = (ChatContext*) self->x;
@@ -329,7 +329,7 @@ void print_help(ChatContext *self)
   wattron(self->history, COLOR_PAIR(2) | A_BOLD);
   wprintw(self->history, "Commands:\n");
   wattroff(self->history, A_BOLD);
-  
+
   wprintw(self->history, "      /status <type> <message>   : Set your status\n");
   wprintw(self->history, "      /nick <nickname>           : Set your nickname\n");
   wprintw(self->history, "      /me <action>               : Do an action\n");
@@ -342,7 +342,7 @@ void print_help(ChatContext *self)
   wattroff(self->history, COLOR_PAIR(2));
 }
 
-ToxWindow new_chat(int friendnum)
+ToxWindow new_chat(Messenger *m, int friendnum)
 {
   ToxWindow ret;
   memset(&ret, 0, sizeof(ret));
@@ -356,7 +356,7 @@ ToxWindow new_chat(int friendnum)
   ret.onAction = &chat_onAction;
 
   uint8_t nick[MAX_NAME_LENGTH] = {0};
-  getname(friendnum, (uint8_t*) &nick);
+  getname(m, friendnum, (uint8_t*) &nick);
   fix_name(nick);
 
   snprintf(ret.title, sizeof(ret.title), "[%s (%d)]", nick, friendnum);
diff --git a/friendlist.c b/friendlist.c
index f2aa1cf..56061cf 100644
--- a/friendlist.c
+++ b/friendlist.c
@@ -14,7 +14,7 @@
 
 extern char WINDOW_STATUS[TOXWINDOWS_MAX_NUM];
 extern int add_window(ToxWindow w, int n);
-extern ToxWindow new_chat(int friendnum);
+extern ToxWindow new_chat(Messenger *m, int friendnum);
 
 extern int active_window;
 
@@ -42,7 +42,7 @@ void fix_name(uint8_t *name)
   *q = 0;
 }
 
-void friendlist_onMessage(ToxWindow *self, int num, uint8_t *str, uint16_t len)
+void friendlist_onMessage(ToxWindow *self, Messenger *m, int num, uint8_t *str, uint16_t len)
 {
   if (num >= num_friends)
     return;
@@ -54,7 +54,7 @@ void friendlist_onMessage(ToxWindow *self, int num, uint8_t *str, uint16_t len)
     for (i = N_DEFAULT_WINS; i < MAX_WINDOW_SLOTS; ++i) {
       if (WINDOW_STATUS[i] == -1) {
         WINDOW_STATUS[i] = num;
-        add_window(new_chat(num), i);
+        add_window(new_chat(m, num), i);
         active_window = i;
         break;
       }
@@ -82,20 +82,20 @@ void friendlist_onStatusChange(ToxWindow *self, int num, uint8_t *str, uint16_t
   fix_name(friends[num].status);
 }
 
-int friendlist_onFriendAdded(int num)
+int friendlist_onFriendAdded(Messenger *m, int num)
 {
   if (num_friends == MAX_FRIENDS_NUM)
     return -1;
 
   friends[num_friends].num = num;
-  getname(num, friends[num_friends].name);
+  getname(m, num, friends[num_friends].name);
   strcpy((char*) friends[num_friends].name, "unknown");
   strcpy((char*) friends[num_friends].status, "unknown");
   friends[num_friends++].chatwin = -1;
   return 0;
 }
 
-static void friendlist_onKey(ToxWindow *self, int key)
+static void friendlist_onKey(ToxWindow *self, Messenger *m, int key)
 {
   if (key == KEY_UP) {
     if (--num_selected < 0)
@@ -121,7 +121,7 @@ static void friendlist_onKey(ToxWindow *self, int key)
         if (WINDOW_STATUS[i] == -1) {
           WINDOW_STATUS[i] = num_selected;
           friends[num_selected].chatwin = num_selected;
-          add_window(new_chat(num_selected), i);
+          add_window(new_chat(m, num_selected), i);
           active_window = i;
           break;
         }
@@ -164,7 +164,7 @@ void disable_chatwin(int f_num)
   friends[f_num].chatwin = -1;
 }
 
-static void friendlist_onInit(ToxWindow *self) 
+static void friendlist_onInit(ToxWindow *self, Messenger *m)
 {
 
 }
diff --git a/main.c b/main.c
index 752453f..c14dee1 100644
--- a/main.c
+++ b/main.c
@@ -25,7 +25,7 @@
 extern ToxWindow new_prompt();
 extern ToxWindow new_friendlist();
 
-extern int friendlist_onFriendAdded(int num);
+extern int friendlist_onFriendAdded(Messenger *m, int num);
 extern void disable_chatwin(int f_num);
 extern int add_req(uint8_t *public_key); // XXX
 extern unsigned char *hex_string_to_bin(char hex_string[]);
@@ -40,6 +40,8 @@ char WINDOW_STATUS[MAX_WINDOW_SLOTS];
 static ToxWindow windows[MAX_WINDOW_SLOTS];
 static ToxWindow* prompt;
 
+static Messenger *m;
+
 int w_num;
 int active_window;
 
@@ -63,25 +65,25 @@ void on_request(uint8_t *public_key, uint8_t *data, uint16_t length)
   }
 }
 
-void on_message(int friendnumber, uint8_t *string, uint16_t length)
+void on_message(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
 {
   int i;
   for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
     if (windows[i].onMessage != NULL)
-      windows[i].onMessage(&windows[i], friendnumber, string, length);
+      windows[i].onMessage(&windows[i], m, friendnumber, string, length);
   }
 }
 
-void on_action(int friendnumber, uint8_t *string, uint16_t length)
+void on_action(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
 {
   int i;
   for (i = 0; i < MAX_WINDOW_SLOTS; ++i) {
     if (windows[i].onAction != NULL)
-      windows[i].onAction(&windows[i], friendnumber, string, length);
+      windows[i].onAction(&windows[i], m, friendnumber, string, length);
   }
 }
 
-void on_nickchange(int friendnumber, uint8_t *string, uint16_t length)
+void on_nickchange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
 {
   wprintw(prompt->window, "\n(nickchange) %d: %s\n", friendnumber, string);
   int i;
@@ -91,7 +93,7 @@ void on_nickchange(int friendnumber, uint8_t *string, uint16_t length)
   }
 }
 
-void on_statuschange(int friendnumber, uint8_t *string, uint16_t length)
+void on_statuschange(Messenger *m, int friendnumber, uint8_t *string, uint16_t length)
 {
   wprintw(prompt->window, "\n(statuschange) %d: %s\n", friendnumber, string);
   int i;
@@ -103,7 +105,7 @@ void on_statuschange(int friendnumber, uint8_t *string, uint16_t length)
 
 void on_friendadded(int friendnumber)
 {
-  friendlist_onFriendAdded(friendnumber);
+  friendlist_onFriendAdded(m, friendnumber);
 }
 /* CALLBACKS END */
 
@@ -129,14 +131,14 @@ static void init_term()
 static void init_tox()
 {
   /* Init core */
-  initMessenger();
+  m = initMessenger();
 
   /* Callbacks */
-  m_callback_friendrequest(on_request);
-  m_callback_friendmessage(on_message);
-  m_callback_namechange(on_nickchange);
-  m_callback_statusmessage(on_statuschange);
-  m_callback_action(on_action);
+  m_callback_friendrequest(m, on_request);
+  m_callback_friendmessage(m, on_message);
+  m_callback_namechange(m, on_nickchange);
+  m_callback_statusmessage(m, on_statuschange);
+  m_callback_action(m, on_action);
 }
 
 #define MAXLINE 90    /* Approx max number of chars in a sever line (IP + port + key) */
@@ -211,7 +213,7 @@ int add_window(ToxWindow w, int n)
     return -1;
 
   windows[n] = w;
-  w.onInit(&w);
+  w.onInit(&w, m);
   w_num++;
   return n;
 }
@@ -237,7 +239,7 @@ static void init_windows()
   w_num = 0;
   int n_prompt = 0;
   int n_friendslist = 1;
-  if (add_window(new_prompt(), n_prompt) == -1 
+  if (add_window(new_prompt(), n_prompt) == -1
                         || add_window(new_friendlist(), n_friendslist) == -1) {
     fprintf(stderr, "add_window() failed.\n");
     endwin();
@@ -257,7 +259,7 @@ static void do_tox()
     dht_on = false;
     wprintw(prompt->window, "\nDHT disconnected.\n");
   }
-  doMessenger();
+  doMessenger(m);
 }
 
 static void load_data(char *path)
@@ -285,17 +287,17 @@ static void load_data(char *path)
       endwin();
       exit(1);
     }
-    Messenger_load(buf, len);
+    Messenger_load(m, buf, len);
   }
   else {
-    len = Messenger_size();
+    len = Messenger_size(m);
     buf = malloc(len);
     if (buf == NULL) {
       fprintf(stderr, "malloc() failed.\n");
       endwin();
       exit(1);
     }
-    Messenger_save(buf);
+    Messenger_save(m, buf);
 
     fd = fopen(path, "w");
     if (fd == NULL) {
@@ -329,7 +331,7 @@ static void draw_bar()
   move(LINES - 1, 0);
 
   attron(COLOR_PAIR(4) | A_BOLD);
-  printw(" TOXIC " TOXICVER "|"); 
+  printw(" TOXIC " TOXICVER "|");
   attroff(COLOR_PAIR(4) | A_BOLD);
 
   int i;
@@ -473,7 +475,8 @@ int main(int argc, char *argv[])
     if (ch == '\t' || ch == KEY_BTAB)
       set_active_window(ch);
     else if (ch != ERR)
-      a->onKey(a, ch);
+      a->onKey(a, m, ch);
   }
+  cleanupMessenger(m);
   return 0;
 }
diff --git a/prompt.c b/prompt.c
index ab44e96..67f80fe 100644
--- a/prompt.c
+++ b/prompt.c
@@ -20,24 +20,24 @@ static char prompt_buf[MAX_STR_SIZE] = {0};
 static int prompt_buf_pos = 0;
 
 /* commands */
-void cmd_accept(ToxWindow *, char **);
-void cmd_add(ToxWindow *, char **);
-void cmd_clear(ToxWindow *, char **);
-void cmd_connect(ToxWindow *, char **);
-void cmd_help(ToxWindow *, char **);
-void cmd_msg(ToxWindow *, char **);
-void cmd_myid(ToxWindow *, char **);
-void cmd_nick(ToxWindow *, char **);
-void cmd_quit(ToxWindow *, char **);
-void cmd_status(ToxWindow *, char **);
-void cmd_statusmsg(ToxWindow *, char **);
+void cmd_accept(ToxWindow *, Messenger *m, char **);
+void cmd_add(ToxWindow *, Messenger *m, char **);
+void cmd_clear(ToxWindow *, Messenger *m, char **);
+void cmd_connect(ToxWindow *, Messenger *m, char **);
+void cmd_help(ToxWindow *, Messenger *m, char **);
+void cmd_msg(ToxWindow *, Messenger *m, char **);
+void cmd_myid(ToxWindow *, Messenger *m, char **);
+void cmd_nick(ToxWindow *, Messenger *m, char **);
+void cmd_quit(ToxWindow *, Messenger *m, char **);
+void cmd_status(ToxWindow *, Messenger *m, char **);
+void cmd_statusmsg(ToxWindow *, Messenger *m, char **);
 
 #define NUM_COMMANDS 13
 
 static struct {
   char *name;
   int numargs;
-  void (*func)(ToxWindow *, char **);
+  void (*func)(ToxWindow *, Messenger *m, char **);
 } commands[] = {
   { "accept",    1, cmd_accept    },
   { "add",       1, cmd_add       },
@@ -74,7 +74,7 @@ unsigned char *hex_string_to_bin(char hex_string[])
   return val;
 }
 
-void cmd_accept(ToxWindow *self, char **args)
+void cmd_accept(ToxWindow *self, Messenger *m, char **args)
 {
   int num = atoi(args[1]);
   if (num >= num_requests) {
@@ -82,7 +82,7 @@ void cmd_accept(ToxWindow *self, char **args)
     return;
   }
 
-  num = m_addfriend_norequest(pending_requests[num]);
+  num = m_addfriend_norequest(m, pending_requests[num]);
   if (num == -1)
     wprintw(self->window, "Failed to add friend.\n");
   else {
@@ -91,7 +91,7 @@ void cmd_accept(ToxWindow *self, char **args)
   }
 }
 
-void cmd_add(ToxWindow *self, char **args)
+void cmd_add(ToxWindow *self, Messenger *m, char **args)
 {
   uint8_t id_bin[KEY_SIZE_BYTES];
   char xx[3];
@@ -121,7 +121,7 @@ void cmd_add(ToxWindow *self, char **args)
     }
     id_bin[i] = x;
   }
-  int num = m_addfriend(id_bin, (uint8_t*) msg, strlen(msg)+1);
+  int num = m_addfriend(m, id_bin, (uint8_t*) msg, strlen(msg)+1);
   switch (num) {
   case FAERR_TOOLONG:
     wprintw(self->window, "Message is too long.\n");
@@ -145,12 +145,12 @@ void cmd_add(ToxWindow *self, char **args)
   }
 }
 
-void cmd_clear(ToxWindow *self, char **args)
+void cmd_clear(ToxWindow *self, Messenger *m, char **args)
 {
   wclear(self->window);
 }
 
-void cmd_connect(ToxWindow *self, char **args)
+void cmd_connect(ToxWindow *self, Messenger *m, char **args)
 {
   IP_Port dht;
   char *ip = args[1];
@@ -174,13 +174,13 @@ void cmd_connect(ToxWindow *self, char **args)
   free(binary_string);
 }
 
-void cmd_quit(ToxWindow *self, char **args)
+void cmd_quit(ToxWindow *self, Messenger *m, char **args)
 {
   endwin();
   exit(0);
 }
 
-void cmd_help(ToxWindow *self, char **args)
+void cmd_help(ToxWindow *self, Messenger *m, char **args)
 {
   wclear(self->window);
   wattron(self->window, COLOR_PAIR(2) | A_BOLD);
@@ -197,7 +197,7 @@ void cmd_help(ToxWindow *self, char **args)
   wprintw(self->window, "      quit/exit                 : Exit program\n");
   wprintw(self->window, "      help                      : Print this message again\n");
   wprintw(self->window, "      clear                     : Clear this window\n");
-  
+
   wattron(self->window, A_BOLD);
   wprintw(self->window, "TIP: Use the TAB key to navigate through the tabs.\n\n");
   wattroff(self->window, A_BOLD);
@@ -205,17 +205,17 @@ void cmd_help(ToxWindow *self, char **args)
   wattroff(self->window, COLOR_PAIR(2));
 }
 
-void cmd_msg(ToxWindow *self, char **args)
+void cmd_msg(ToxWindow *self, Messenger *m, char **args)
 {
   char *id = args[1];
   char *msg = args[2];
-  if (m_sendmessage(atoi(id), (uint8_t*) msg, strlen(msg)+1) == 0)
+  if (m_sendmessage(m, atoi(id), (uint8_t*) msg, strlen(msg)+1) == 0)
     wprintw(self->window, "Error occurred while sending message.\n");
   else
     wprintw(self->window, "Message successfully sent.\n");
 }
 
-void cmd_myid(ToxWindow *self, char **args)
+void cmd_myid(ToxWindow *self, Messenger *m, char **args)
 {
   char id[KEY_SIZE_BYTES*2 + 1] = {0};
   size_t i;
@@ -227,14 +227,14 @@ void cmd_myid(ToxWindow *self, char **args)
   wprintw(self->window, "Your ID: %s\n", id);
 }
 
-void cmd_nick(ToxWindow *self, char **args)
+void cmd_nick(ToxWindow *self, Messenger *m, char **args)
 {
   char *nick = args[1];
-  setname((uint8_t*) nick, strlen(nick)+1);
+  setname(m, (uint8_t*) nick, strlen(nick)+1);
   wprintw(self->window, "Nickname set to: %s\n", nick);
 }
 
-void cmd_status(ToxWindow *self, char **args)
+void cmd_status(ToxWindow *self, Messenger *m, char **args)
 {
   char *status = args[1];
   char *status_text;
@@ -260,24 +260,24 @@ void cmd_status(ToxWindow *self, char **args)
 
   char *msg = args[2];
   if (msg == NULL) {
-    m_set_userstatus(status_kind);
+    m_set_userstatus(m, status_kind);
     wprintw(self->window, "Status set to: %s\n", status_text);
   }
   else {
-    m_set_userstatus(status_kind);
-    m_set_statusmessage((uint8_t*) msg, strlen(msg)+1);
+    m_set_userstatus(m, status_kind);
+    m_set_statusmessage(m, (uint8_t*) msg, strlen(msg)+1);
     wprintw(self->window, "Status set to: %s, %s\n", status_text, msg);
   }
 }
 
-void cmd_statusmsg(ToxWindow *self, char **args)
+void cmd_statusmsg(ToxWindow *self, Messenger *m, char **args)
 {
     char *msg = args[1];
-    m_set_statusmessage((uint8_t*) msg, strlen(msg)+1);
+    m_set_statusmessage(m, (uint8_t*) msg, strlen(msg)+1);
     wprintw(self->window, "Status set to: %s\n", msg);
 }
 
-static void execute(ToxWindow *self, char *u_cmd)
+static void execute(ToxWindow *self, Messenger *m, char *u_cmd)
 {
   int newlines = 0;
   char cmd[MAX_STR_SIZE] = {0};
@@ -341,13 +341,13 @@ static void execute(ToxWindow *self, char *u_cmd)
           return;
         }
       }
-      /* check for excess arguments */ 
+      /* check for excess arguments */
       if (strcmp(cmdargs[0], "add") && strlen(cmdargs[j]) != 0) {
         wprintw(self->window, "Invalid command: too many arguments to %s.\n", commands[i].name);
         return;
       }
       /* pass arguments to command function */
-      (commands[i].func)(self, cmdargs);
+      (commands[i].func)(self, m, cmdargs);
       return;
     }
   }
@@ -356,7 +356,7 @@ static void execute(ToxWindow *self, char *u_cmd)
   wprintw(self->window, "Invalid command.\n");
 }
 
-static void prompt_onKey(ToxWindow *self, int key)
+static void prompt_onKey(ToxWindow *self, Messenger *m, int key)
 {
   /* Add printable characters to line */
   if (isprint(key)) {
@@ -380,7 +380,7 @@ static void prompt_onKey(ToxWindow *self, int key)
   /* RETURN key: execute command */
   else if (key == '\n') {
     wprintw(self->window, "\n");
-    execute(self, prompt_buf);
+    execute(self, m, prompt_buf);
     prompt_buf_pos = 0;
     prompt_buf[0] = 0;
   }
@@ -413,10 +413,10 @@ static void prompt_onDraw(ToxWindow *self)
   wrefresh(self->window);
 }
 
-static void prompt_onInit(ToxWindow *self)
+static void prompt_onInit(ToxWindow *self, Messenger *m)
 {
   scrollok(self->window, 1);
-  cmd_help(self, NULL);
+  cmd_help(self, m, NULL);
   wclrtoeol(self->window);
 }
 
diff --git a/windows.h b/windows.h
index c6925ce..648243d 100644
--- a/windows.h
+++ b/windows.h
@@ -9,7 +9,7 @@
 #define KEY_SIZE_BYTES 32
 
 /* number of permanent default windows */
-#define N_DEFAULT_WINS 2  
+#define N_DEFAULT_WINS 2
 
 /* maximum window slots for WINDOW_STATUS array */
 #define MAX_WINDOW_SLOTS N_DEFAULT_WINS+MAX_FRIENDS_NUM
@@ -17,14 +17,14 @@
 typedef struct ToxWindow_ ToxWindow;
 
 struct ToxWindow_ {
-  void(*onKey)(ToxWindow*, int);
+  void(*onKey)(ToxWindow*, Messenger*, int);
   void(*onDraw)(ToxWindow*);
-  void(*onInit)(ToxWindow*);
+  void(*onInit)(ToxWindow*, Messenger*);
   void(*onFriendRequest)(ToxWindow*, uint8_t*, uint8_t*, uint16_t);
-  void(*onMessage)(ToxWindow*, int, uint8_t*, uint16_t);
+  void(*onMessage)(ToxWindow*, Messenger*, int, uint8_t*, uint16_t);
   void(*onNickChange)(ToxWindow*, int, uint8_t*, uint16_t);
   void(*onStatusChange)(ToxWindow*, int, uint8_t*, uint16_t);
-  void(*onAction)(ToxWindow*, int, uint8_t*, uint16_t);
+  void(*onAction)(ToxWindow*, Messenger*, int, uint8_t*, uint16_t);
   char title[256];
 
   void* x;