From 15f978820fd2a2a76e46eb005c18dc837535fd36 Mon Sep 17 00:00:00 2001
From: Martin Michelsen <fuzziqersoftware+g@gmail.com>
Date: Mon, 7 Mar 2022 21:22:10 -0800
Subject: [PATCH] replace all NULLs with nullptr

---
 src/ChatCommands.cc       |   8 +-
 src/DNSServer.cc          |   2 +-
 src/IPStackSimulator.cc   |   8 +-
 src/Items.cc              |   2 +-
 src/Lobby.cc              |   2 +-
 src/Lobby.hh              |   2 +-
 src/NetworkAddresses.cc   |   4 +-
 src/ProxyServer.cc        |   8 +-
 src/Quest.cc              |   2 +-
 src/ReceiveCommands.cc    | 564 ++++++++++++++++++--------------------
 src/ReceiveSubcommands.cc |   2 +-
 src/SendCommands.cc       |   2 +-
 src/SendCommands.hh       |   8 +-
 src/Server.cc             |  10 +-
 src/ServerState.cc        |   2 +-
 src/ServerState.hh        |   4 +-
 src/Shell.cc              |   6 +-
 src/Text.cc               |   4 +-
 18 files changed, 301 insertions(+), 339 deletions(-)

diff --git a/src/ChatCommands.cc b/src/ChatCommands.cc
index 9c41fb33..87665fad 100644
--- a/src/ChatCommands.cc
+++ b/src/ChatCommands.cc
@@ -423,7 +423,7 @@ static void command_announce(shared_ptr<ServerState> s, shared_ptr<Lobby>,
 static void command_arrow(shared_ptr<ServerState>, shared_ptr<Lobby> l,
     shared_ptr<Client> c, const char16_t* args) {
   // no preconditions
-  c->lobby_arrow_color = stoull(encode_sjis(args), NULL, 0);
+  c->lobby_arrow_color = stoull(encode_sjis(args), nullptr, 0);
   if (!l->is_game()) {
     send_arrow_update(l);
   }
@@ -756,7 +756,7 @@ static void command_ban(shared_ptr<ServerState> s, shared_ptr<Lobby> l,
     return;
   }
 
-  uint64_t usecs = stoull(encode_sjis(args), NULL, 0) * 1000000;
+  uint64_t usecs = stoull(encode_sjis(args), nullptr, 0) * 1000000;
 
   size_t unit_offset = 0;
   for (; isdigit(args[unit_offset]); unit_offset++);
@@ -791,7 +791,7 @@ static void command_warp(shared_ptr<ServerState>, shared_ptr<Lobby> l,
   check_is_game(l, true);
   check_cheats_enabled(l);
 
-  uint32_t area = stoul(encode_sjis(args), NULL, 0);
+  uint32_t area = stoul(encode_sjis(args), nullptr, 0);
   if (!l->episode || (l->episode > 3)) {
     return;
   }
@@ -917,7 +917,7 @@ void process_chat_command(std::shared_ptr<ServerState> s, std::shared_ptr<Lobby>
     text_str.clear();
   }
 
-  const ChatCommandDefinition* def = NULL;
+  const ChatCommandDefinition* def = nullptr;
   try {
     def = &chat_commands.at(command_name);
   } catch (const out_of_range&) {
diff --git a/src/DNSServer.cc b/src/DNSServer.cc
index 7dd98ba2..f1008bd1 100644
--- a/src/DNSServer.cc
+++ b/src/DNSServer.cc
@@ -45,7 +45,7 @@ void DNSServer::add_socket(int fd) {
   unique_ptr<struct event, void(*)(struct event*)> e(event_new(this->base.get(),
         fd, EV_READ | EV_PERSIST, &DNSServer::dispatch_on_receive_message,
         this), event_free);
-  event_add(e.get(), NULL);
+  event_add(e.get(), nullptr);
   this->fd_to_receive_event.emplace(fd, move(e));
 }
 
diff --git a/src/IPStackSimulator.cc b/src/IPStackSimulator.cc
index 603be58e..f0bd2fd9 100644
--- a/src/IPStackSimulator.cc
+++ b/src/IPStackSimulator.cc
@@ -173,7 +173,7 @@ void IPStackSimulator::on_listen_accept(struct evconnlistener* listener,
   c->sim = this;
   this->bev_to_client.emplace(make_pair(bev, c));
 
-  bufferevent_setcb(bev, &IPStackSimulator::dispatch_on_client_input, NULL,
+  bufferevent_setcb(bev, &IPStackSimulator::dispatch_on_client_input, nullptr,
       &IPStackSimulator::dispatch_on_client_error, this);
   bufferevent_enable(bev, EV_READ | EV_WRITE);
 }
@@ -187,7 +187,7 @@ void IPStackSimulator::on_listen_error(struct evconnlistener* listener) {
   int err = EVUTIL_SOCKET_ERROR();
   log(ERROR, "[IPStackSimulator] Failure on listening socket %d: %d (%s)",
       evconnlistener_get_fd(listener), err, evutil_socket_error_to_string(err));
-  event_base_loopexit(this->base.get(), NULL);
+  event_base_loopexit(this->base.get(), nullptr);
 }
 
 
@@ -742,8 +742,8 @@ void IPStackSimulator::open_server_connection(
   bufferevent_pair_new(this->base.get(), 0, bevs);
 
   // Set up the IPStackSimulator end of the virtual connection
-  bufferevent_setcb(bevs[0], &IPStackSimulator::dispatch_on_server_input, NULL,
-      &IPStackSimulator::dispatch_on_server_error, &conn);
+  bufferevent_setcb(bevs[0], &IPStackSimulator::dispatch_on_server_input,
+      nullptr, &IPStackSimulator::dispatch_on_server_error, &conn);
   bufferevent_enable(bevs[0], EV_READ | EV_WRITE);
   conn.server_bev.reset(bevs[0]);
 
diff --git a/src/Items.cc b/src/Items.cc
index 968738f6..1607e768 100644
--- a/src/Items.cc
+++ b/src/Items.cc
@@ -219,7 +219,7 @@ void player_use_item(shared_ptr<Client> c, size_t item_index) {
   }
 
   if (should_delete_item) {
-    c->player.remove_item(item.data.item_id, 1, NULL);
+    c->player.remove_item(item.data.item_id, 1, nullptr);
   }
 }
 
diff --git a/src/Lobby.cc b/src/Lobby.cc
index c262a0e4..49329254 100644
--- a/src/Lobby.cc
+++ b/src/Lobby.cc
@@ -101,7 +101,7 @@ void Lobby::remove_client(shared_ptr<Client> c) {
         static_cast<uint8_t>(other_c ? other_c->lobby_client_id : 0xFF)));
   }
 
-  this->clients[c->lobby_client_id] = NULL;
+  this->clients[c->lobby_client_id] = nullptr;
 
   // unassign the client's lobby if it matches the current lobby's id (it may
   // not match if the client was already added to another lobby - this can
diff --git a/src/Lobby.hh b/src/Lobby.hh
index 612920d4..fb723355 100644
--- a/src/Lobby.hh
+++ b/src/Lobby.hh
@@ -73,7 +73,7 @@ struct Lobby {
   void move_client_to_lobby(std::shared_ptr<Lobby> dest_lobby,
       std::shared_ptr<Client> c);
 
-  std::shared_ptr<Client> find_client(const char16_t* identifier = NULL,
+  std::shared_ptr<Client> find_client(const char16_t* identifier = nullptr,
       uint64_t serial_number = 0);
 
   void add_item(const PlayerInventoryItem& item);
diff --git a/src/NetworkAddresses.cc b/src/NetworkAddresses.cc
index 8ae5bf22..8be1488e 100644
--- a/src/NetworkAddresses.cc
+++ b/src/NetworkAddresses.cc
@@ -21,7 +21,7 @@ using namespace std;
 
 uint32_t resolve_address(const char* address) {
   struct addrinfo *res0;
-  if (getaddrinfo(address, NULL, NULL, &res0)) {
+  if (getaddrinfo(address, nullptr, nullptr, &res0)) {
     auto e = string_for_error(errno);
     throw runtime_error(string_printf("can\'t resolve hostname %s: %s", address,
         e.c_str()));
@@ -29,7 +29,7 @@ uint32_t resolve_address(const char* address) {
 
   std::unique_ptr<struct addrinfo, void(*)(struct addrinfo*)> res0_unique(
       res0, freeaddrinfo);
-  struct addrinfo *res4 = NULL;
+  struct addrinfo *res4 = nullptr;
   for (struct addrinfo* res = res0; res; res = res->ai_next) {
     if (res->ai_family == AF_INET) {
       res4 = res;
diff --git a/src/ProxyServer.cc b/src/ProxyServer.cc
index 62b378f8..13d8d4ef 100644
--- a/src/ProxyServer.cc
+++ b/src/ProxyServer.cc
@@ -143,7 +143,7 @@ void ProxyServer::on_client_connect(struct bufferevent* bev) {
   this->client_bev.reset(bev);
 
   bufferevent_setcb(this->client_bev.get(),
-      &ProxyServer::dispatch_on_client_input, NULL,
+      &ProxyServer::dispatch_on_client_input, nullptr,
       &ProxyServer::dispatch_on_client_error, this);
   bufferevent_enable(this->client_bev.get(), EV_READ | EV_WRITE);
 
@@ -170,7 +170,7 @@ void ProxyServer::on_client_connect(struct bufferevent* bev) {
     throw runtime_error(string_printf("failed to connect (%d)", EVUTIL_SOCKET_ERROR()));
   }
   bufferevent_setcb(this->server_bev.get(),
-      &ProxyServer::dispatch_on_server_input, NULL,
+      &ProxyServer::dispatch_on_server_input, nullptr,
       &ProxyServer::dispatch_on_server_error, this);
   bufferevent_enable(this->server_bev.get(), EV_READ | EV_WRITE);
 }
@@ -179,7 +179,7 @@ void ProxyServer::on_listen_error(struct evconnlistener* listener) {
   int err = EVUTIL_SOCKET_ERROR();
   log(ERROR, "[ProxyServer] Failure on listening socket %d: %d (%s)",
       evconnlistener_get_fd(listener), err, evutil_socket_error_to_string(err));
-  event_base_loopexit(this->base.get(), NULL);
+  event_base_loopexit(this->base.get(), nullptr);
 }
 
 void ProxyServer::on_client_input(struct bufferevent*) {
@@ -263,7 +263,7 @@ void ProxyServer::receive_and_process_commands(bool from_server) {
   struct bufferevent* dest_bev = from_server ? this->client_bev.get() : this->server_bev.get();
 
   struct evbuffer* source_buf = bufferevent_get_input(source_bev);
-  struct evbuffer* dest_buf = dest_bev ? bufferevent_get_output(dest_bev) : NULL;
+  struct evbuffer* dest_buf = dest_bev ? bufferevent_get_output(dest_bev) : nullptr;
 
   PSOEncryption* source_crypt = from_server ? this->server_input_crypt.get() : this->client_input_crypt.get();
   PSOEncryption* dest_crypt = from_server ? this->client_output_crypt.get() : this->server_output_crypt.get();
diff --git a/src/Quest.cc b/src/Quest.cc
index 9748ac9d..5a6f0a36 100644
--- a/src/Quest.cc
+++ b/src/Quest.cc
@@ -200,7 +200,7 @@ Quest::Quest(const string& bin_filename)
   }
 
   // parse the number out of the first token
-  this->quest_id = strtoull(tokens[0].c_str() + 1, NULL, 10);
+  this->quest_id = strtoull(tokens[0].c_str() + 1, nullptr, 10);
 
   // get the category from the second token if needed
   if (this->category == QuestCategory::Unknown) {
diff --git a/src/ReceiveCommands.cc b/src/ReceiveCommands.cc
index 5d42f74c..bd028e8d 100644
--- a/src/ReceiveCommands.cc
+++ b/src/ReceiveCommands.cc
@@ -206,10 +206,10 @@ void process_login_a_dc_pc_gc(shared_ptr<ServerState> s, shared_ptr<Client> c,
   try {
     if (c->version == GameVersion::GC) {
       c->license = s->license_manager->verify_gc(serial_number, cmd->access_key,
-          NULL);
+          nullptr);
     } else {
       c->license = s->license_manager->verify_pc(serial_number, cmd->access_key,
-          NULL);
+          nullptr);
     }
   } catch (const exception& e) {
     if (!s->allow_unregistered_users) {
@@ -220,10 +220,10 @@ void process_login_a_dc_pc_gc(shared_ptr<ServerState> s, shared_ptr<Client> c,
     } else {
       if (c->version == GameVersion::GC) {
         c->license = LicenseManager::create_license_gc(serial_number,
-            cmd->access_key, NULL);
+            cmd->access_key, nullptr);
       } else {
         c->license = LicenseManager::create_license_pc(serial_number,
-            cmd->access_key, NULL);
+            cmd->access_key, nullptr);
       }
     }
   }
@@ -300,10 +300,10 @@ void process_login_d_e_pc_gc(shared_ptr<ServerState> s, shared_ptr<Client> c,
   try {
     if (c->version == GameVersion::GC) {
       c->license = s->license_manager->verify_gc(serial_number, cmd->access_key,
-          NULL);
+          nullptr);
     } else {
       c->license = s->license_manager->verify_pc(serial_number, cmd->access_key,
-          NULL);
+          nullptr);
     }
   } catch (const exception& e) {
     if (!s->allow_unregistered_users) {
@@ -314,10 +314,10 @@ void process_login_d_e_pc_gc(shared_ptr<ServerState> s, shared_ptr<Client> c,
     } else {
       if (c->version == GameVersion::GC) {
         c->license = LicenseManager::create_license_gc(serial_number,
-            cmd->access_key, NULL);
+            cmd->access_key, nullptr);
       } else {
         c->license = LicenseManager::create_license_pc(serial_number,
-            cmd->access_key, NULL);
+            cmd->access_key, nullptr);
       }
     }
   }
@@ -899,7 +899,7 @@ void process_quest_list_request(shared_ptr<ServerState> s, shared_ptr<Client> c,
     return;
   }
 
-  vector<MenuItem>* menu = NULL;
+  vector<MenuItem>* menu = nullptr;
   if ((c->version == GameVersion::BB) && flag) {
     menu = &quest_government_menu;
   } else {
@@ -1152,7 +1152,7 @@ void process_player_preview_request_bb(shared_ptr<ServerState>, shared_ptr<Clien
 
     } catch (const exception&) {
       // player doesn't exist
-      send_player_preview_bb(c, cmd->player_index, NULL);
+      send_player_preview_bb(c, cmd->player_index, nullptr);
     }
   }
 }
@@ -1338,7 +1338,7 @@ void process_card_search(shared_ptr<ServerState> s, shared_ptr<Client> c,
   const auto* cmd = reinterpret_cast<const Cmd*>(data);
 
   try {
-    auto result = s->find_client(NULL, cmd->target_serial_number);
+    auto result = s->find_client(nullptr, cmd->target_serial_number);
     auto result_lobby = s->find_lobby(result->lobby_id);
     send_card_search_result(s, c, result, result_lobby);
   } catch (const out_of_range&) { }
@@ -1367,7 +1367,7 @@ void process_simple_mail(shared_ptr<ServerState> s, shared_ptr<Client> c,
   check_size(size, sizeof(Cmd));
   const auto* cmd = reinterpret_cast<const Cmd*>(data);
 
-  auto target = s->find_client(NULL, cmd->target_serial_number);
+  auto target = s->find_client(nullptr, cmd->target_serial_number);
 
   // if the sender is blocked, don't forward the mail
   for (size_t y = 0; y < 30; y++) {
@@ -1770,433 +1770,395 @@ typedef void (*process_command_t)(shared_ptr<ServerState> s, shared_ptr<Client>
 // array corresponding to the client's version is called.
 static process_command_t dc_handlers[0x100] = {
   // 00
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, process_chat_dc_gc, NULL,
-  process_game_list_request, process_menu_item_info_request, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, process_chat_dc_gc, nullptr,
+  process_game_list_request, process_menu_item_info_request, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 10
-  process_menu_selection, NULL, NULL, process_ignored_command,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, NULL, NULL,
+  process_menu_selection, nullptr, nullptr, process_ignored_command,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, nullptr, nullptr,
 
   // 20
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 30
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 40
-  process_card_search, NULL, NULL, NULL,
-  process_ignored_command, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  process_card_search, nullptr, nullptr, nullptr,
+  process_ignored_command, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 50
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 60
-  process_game_command, NULL, process_game_command, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_game_command, process_game_command, NULL, process_client_ready,
+  process_game_command, nullptr, process_game_command, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  process_game_command, process_game_command, nullptr, process_client_ready,
 
   // 70
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 80
-  NULL, process_simple_mail, NULL, NULL,
-  process_change_lobby, NULL, NULL, NULL,
-  NULL, process_change_arrow_color, process_lobby_name_request, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_simple_mail, nullptr, nullptr,
+  process_change_lobby, nullptr, nullptr, nullptr,
+  nullptr, process_change_arrow_color, process_lobby_name_request, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 90
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, process_client_checksum, NULL,
-  process_player_data, process_ignored_command, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, process_client_checksum, nullptr,
+  process_player_data, process_ignored_command, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // A0
-  process_change_ship, process_change_block, process_quest_list_request, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, NULL, NULL,
-  process_quest_ready, NULL, NULL, NULL,
+  process_change_ship, process_change_block, process_quest_list_request, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, nullptr, nullptr,
+  process_quest_ready, nullptr, nullptr, nullptr,
 
   // B0
-  NULL, process_server_time_request, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_server_time_request, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // C0
-  NULL, process_create_game_dc_gc, NULL, NULL,
-  NULL, NULL, process_set_blocked_list, process_set_auto_reply_dc_gc,
-  process_disable_auto_reply, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_create_game_dc_gc, nullptr, nullptr,
+  nullptr, nullptr, process_set_blocked_list, process_set_auto_reply_dc_gc,
+  process_disable_auto_reply, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // D0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_info_board_request, process_write_info_board_dc_gc, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  process_info_board_request, process_write_info_board_dc_gc, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // E0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // F0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 };
 
 static process_command_t pc_handlers[0x100] = {
   // 00
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, process_chat_pc_bb, NULL,
-  process_game_list_request, process_menu_item_info_request, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, process_chat_pc_bb, nullptr,
+  process_game_list_request, process_menu_item_info_request, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 10
-  process_menu_selection, NULL, NULL, process_ignored_command,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, NULL, NULL,
+  process_menu_selection, nullptr, nullptr, process_ignored_command,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, nullptr, nullptr,
 
   // 20
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 30
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 40
-  process_card_search, NULL, NULL, NULL,
-  process_ignored_command, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  process_card_search, nullptr, nullptr, nullptr,
+  process_ignored_command, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 50
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 60
-  process_game_command, process_player_data, process_game_command, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_game_command, process_game_command, NULL, process_client_ready,
+  process_game_command, process_player_data, process_game_command, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  process_game_command, process_game_command, nullptr, process_client_ready,
 
   // 70
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 80
-  NULL, process_simple_mail, NULL, NULL,
-  process_change_lobby, NULL, NULL, NULL,
-  NULL, process_change_arrow_color, process_lobby_name_request, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_simple_mail, nullptr, nullptr,
+  process_change_lobby, nullptr, nullptr, nullptr,
+  nullptr, process_change_arrow_color, process_lobby_name_request, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 90
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, process_client_checksum, NULL,
-  process_player_data, process_ignored_command, process_login_a_dc_pc_gc, NULL,
-  process_login_c_dc_pc_gc, process_login_d_e_pc_gc, process_login_d_e_pc_gc, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, process_client_checksum, nullptr,
+  process_player_data, process_ignored_command, process_login_a_dc_pc_gc, nullptr,
+  process_login_c_dc_pc_gc, process_login_d_e_pc_gc, process_login_d_e_pc_gc, nullptr,
 
   // A0
-  process_change_ship, process_change_block, process_quest_list_request, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, NULL, NULL,
-  process_quest_ready, NULL, NULL, NULL,
+  process_change_ship, process_change_block, process_quest_list_request, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, nullptr, nullptr,
+  process_quest_ready, nullptr, nullptr, nullptr,
 
   // B0
-  NULL, process_server_time_request, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_server_time_request, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // C0
-  NULL, process_create_game_pc, NULL, NULL,
-  NULL, NULL, process_set_blocked_list, process_set_auto_reply_pc_bb,
-  process_disable_auto_reply, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_create_game_pc, nullptr, nullptr,
+  nullptr, nullptr, process_set_blocked_list, process_set_auto_reply_pc_bb,
+  process_disable_auto_reply, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // D0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_info_board_request, process_write_info_board_pc_bb, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  process_info_board_request, process_write_info_board_pc_bb, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // E0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // F0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 };
 
 static process_command_t gc_handlers[0x100] = {
   // 00
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, process_chat_dc_gc, NULL,
-  process_game_list_request, process_menu_item_info_request, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, process_chat_dc_gc, nullptr,
+  process_game_list_request, process_menu_item_info_request, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 10
-  process_menu_selection, NULL, NULL, process_ignored_command,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, NULL, NULL,
+  process_menu_selection, nullptr, nullptr, process_ignored_command,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, nullptr, nullptr,
 
   // 20
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 30
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 40
-  process_card_search, NULL, NULL, NULL,
-  process_ignored_command, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  process_card_search, nullptr, nullptr, nullptr,
+  process_ignored_command, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 50
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 60
-  process_game_command, process_player_data, process_game_command, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_game_command, process_game_command, NULL, process_client_ready,
+  process_game_command, process_player_data, process_game_command, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  process_game_command, process_game_command, nullptr, process_client_ready,
 
   // 70
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 80
-  NULL, process_simple_mail, NULL, NULL,
-  process_change_lobby, NULL, NULL, NULL,
-  NULL, process_change_arrow_color, process_lobby_name_request, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_simple_mail, nullptr, nullptr,
+  process_change_lobby, nullptr, nullptr, nullptr,
+  nullptr, process_change_arrow_color, process_lobby_name_request, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 90
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, process_client_checksum, NULL,
-  process_player_data, process_ignored_command, NULL, NULL,
-  process_login_c_dc_pc_gc, process_login_d_e_pc_gc, process_login_d_e_pc_gc, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, process_client_checksum, nullptr,
+  process_player_data, process_ignored_command, nullptr, nullptr,
+  process_login_c_dc_pc_gc, process_login_d_e_pc_gc, process_login_d_e_pc_gc, nullptr,
 
   // A0
-  process_change_ship, process_change_block, process_quest_list_request, NULL,
-  NULL, NULL, process_start_download_quest, process_ignored_command,
-  NULL, process_ignored_command, NULL, NULL,
-  process_quest_ready, NULL, NULL, NULL,
+  process_change_ship, process_change_block, process_quest_list_request, nullptr,
+  nullptr, nullptr, process_start_download_quest, process_ignored_command,
+  nullptr, process_ignored_command, nullptr, nullptr,
+  process_quest_ready, nullptr, nullptr, nullptr,
 
   // B0
-  NULL, process_server_time_request, NULL, NULL,
-  NULL, NULL, NULL, process_ignored_command,
-  process_ignored_command, NULL, process_ep3_jukebox, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_server_time_request, nullptr, nullptr,
+  nullptr, nullptr, nullptr, process_ignored_command,
+  process_ignored_command, nullptr, process_ep3_jukebox, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // C0
-  process_choice_search, process_create_game_dc_gc, NULL, NULL,
-  NULL, NULL, process_set_blocked_list, process_set_auto_reply_dc_gc,
+  process_choice_search, process_create_game_dc_gc, nullptr, nullptr,
+  nullptr, nullptr, process_set_blocked_list, process_set_auto_reply_dc_gc,
   process_disable_auto_reply, process_game_command, process_ep3_server_data_request, process_game_command,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
 
   // D0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, process_message_box_closed, process_gba_file_request,
-  process_info_board_request, process_write_info_board_dc_gc, NULL, process_verify_license_gc,
-  process_ep3_menu_challenge, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, process_message_box_closed, process_gba_file_request,
+  process_info_board_request, process_write_info_board_dc_gc, nullptr, process_verify_license_gc,
+  process_ep3_menu_challenge, nullptr, nullptr, nullptr,
 
   // E0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_create_game_dc_gc, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  process_create_game_dc_gc, nullptr, nullptr, nullptr,
 
   // F0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 };
 
 static process_command_t bb_handlers[0x100] = {
   // 00
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, process_chat_pc_bb, NULL,
-  process_game_list_request, process_menu_item_info_request, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, process_chat_pc_bb, nullptr,
+  process_game_list_request, process_menu_item_info_request, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 10
-  process_menu_selection, NULL, NULL, process_ignored_command,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, NULL, NULL,
+  process_menu_selection, nullptr, nullptr, process_ignored_command,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, nullptr, nullptr,
 
   // 20
-  NULL, NULL, process_ignored_command, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, process_ignored_command, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 30
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 40
-  process_card_search, NULL, NULL, NULL,
-  process_ignored_command, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  process_card_search, nullptr, nullptr, nullptr,
+  process_ignored_command, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 50
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 60
-  process_game_command, process_player_data, process_game_command, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_game_command, process_game_command, NULL, process_client_ready,
+  process_game_command, process_player_data, process_game_command, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  process_game_command, process_game_command, nullptr, process_client_ready,
 
   // 70
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // 80
-  NULL, process_simple_mail, NULL, NULL,
-  process_change_lobby, NULL, NULL, NULL,
-  NULL, process_change_arrow_color, process_lobby_name_request, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_simple_mail, nullptr, nullptr,
+  process_change_lobby, nullptr, nullptr, nullptr,
+  nullptr, process_change_arrow_color, process_lobby_name_request, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // 90
-  NULL, NULL, NULL, process_login_bb,
-  NULL, NULL, NULL, NULL,
-  process_player_data, process_ignored_command, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, process_login_bb,
+  nullptr, nullptr, nullptr, nullptr,
+  process_player_data, process_ignored_command, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // A0
-  process_change_ship, process_change_block, process_quest_list_request, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, process_ignored_command, NULL, NULL,
-  process_quest_ready, NULL, NULL, NULL,
+  process_change_ship, process_change_block, process_quest_list_request, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, process_ignored_command, nullptr, nullptr,
+  process_quest_ready, nullptr, nullptr, nullptr,
 
   // B0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
   // C0
-  NULL, process_create_game_bb, NULL, NULL,
-  NULL, NULL, process_set_blocked_list, process_set_auto_reply_pc_bb,
-  process_disable_auto_reply, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, process_create_game_bb, nullptr, nullptr,
+  nullptr, nullptr, process_set_blocked_list, process_set_auto_reply_pc_bb,
+  process_disable_auto_reply, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
 
   // D0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  process_info_board_request, process_write_info_board_pc_bb, NULL, NULL,
-  process_guild_card_data_request_bb, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr,
+  process_info_board_request, process_write_info_board_pc_bb, nullptr, nullptr,
+  process_guild_card_data_request_bb, nullptr, nullptr, nullptr,
 
   // E0
-  process_key_config_request_bb, NULL, NULL, process_player_preview_request_bb,
-  NULL, process_create_character_bb, NULL, process_return_player_data_bb,
-  process_client_checksum_bb, NULL, process_team_command_bb, process_stream_file_request_bb,
-  process_ignored_command, process_change_account_data_bb, NULL, NULL,
+  process_key_config_request_bb, nullptr, nullptr, process_player_preview_request_bb,
+  nullptr, process_create_character_bb, nullptr, process_return_player_data_bb,
+  process_client_checksum_bb, nullptr, process_team_command_bb, process_stream_file_request_bb,
+  process_ignored_command, process_change_account_data_bb, nullptr, nullptr,
 
   // F0
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 };
 
 static process_command_t patch_handlers[0x100] = {
   // 00
-  NULL, NULL, process_encryption_ok_patch, NULL,
-  process_login_patch, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL,
+  nullptr, nullptr, process_encryption_ok_patch, nullptr,
+  process_login_patch, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 10
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 20
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 30
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 40
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 50
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 60
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 70
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 80
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // 90
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // A0
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // B0
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // C0
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // D0
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // E0
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // F0
-  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  // 10
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 20
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 30
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 40
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 50
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 60
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 70
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 80
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // 90
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // A0
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // B0
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // C0
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // D0
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // E0
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  // F0
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
+  nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
 };
 
 static process_command_t* handlers[6] = {
diff --git a/src/ReceiveSubcommands.cc b/src/ReceiveSubcommands.cc
index bb407579..a2d7ca8d 100644
--- a/src/ReceiveSubcommands.cc
+++ b/src/ReceiveSubcommands.cc
@@ -758,7 +758,7 @@ static void process_subcommand_destroy_item(shared_ptr<ServerState>,
     if ((cmd->size != 3) || !l->is_game()) {
       return;
     }
-    l->remove_item(cmd->item_id, NULL);
+    l->remove_item(cmd->item_id, nullptr);
   }
 
   forward_subcommand(l, c, command, flag, p, count);
diff --git a/src/SendCommands.cc b/src/SendCommands.cc
index bb911f81..85f1f711 100644
--- a/src/SendCommands.cc
+++ b/src/SendCommands.cc
@@ -92,7 +92,7 @@ void send_command_excluding_client(shared_ptr<Lobby> l, shared_ptr<Client> c,
 
 void send_command(shared_ptr<Lobby> l, uint16_t command, uint32_t flag,
     const void* data, size_t size) {
-  send_command_excluding_client(l, NULL, command, flag, data, size);
+  send_command_excluding_client(l, nullptr, command, flag, data, size);
 }
 
 void send_command(shared_ptr<ServerState> s, uint16_t command, uint32_t flag,
diff --git a/src/SendCommands.hh b/src/SendCommands.hh
index 2839b6d7..d8fd4161 100644
--- a/src/SendCommands.hh
+++ b/src/SendCommands.hh
@@ -31,17 +31,17 @@
 
 
 void send_command(std::shared_ptr<Client> c, uint16_t command,
-    uint32_t flag = 0, const void* data = NULL, size_t size = 0);
+    uint32_t flag = 0, const void* data = nullptr, size_t size = 0);
 
 void send_command_excluding_client(std::shared_ptr<Lobby> l,
     std::shared_ptr<Client> c, uint16_t command, uint32_t flag = 0,
-    const void* data = NULL, size_t size = 0);
+    const void* data = nullptr, size_t size = 0);
 
 void send_command(std::shared_ptr<Lobby> l, uint16_t command, uint32_t flag = 0,
-    const void* data = NULL, size_t size = 0);
+    const void* data = nullptr, size_t size = 0);
 
 void send_command(std::shared_ptr<ServerState> s, uint16_t command,
-    uint32_t flag = 0, const void* data = NULL, size_t size = 0);
+    uint32_t flag = 0, const void* data = nullptr, size_t size = 0);
 
 template <typename TARGET, typename STRUCT>
 void send_command(std::shared_ptr<TARGET> c, uint16_t command, uint32_t flag,
diff --git a/src/Server.cc b/src/Server.cc
index 6bf3be0a..cb5151d4 100644
--- a/src/Server.cc
+++ b/src/Server.cc
@@ -34,7 +34,7 @@ void Server::disconnect_client(struct bufferevent* bev) {
 void Server::disconnect_client(shared_ptr<Client> c) {
   this->bev_to_client.erase(c->bev);
   struct bufferevent* bev = c->bev;
-  c->bev = NULL;
+  c->bev = nullptr;
 
   int fd = bufferevent_getfd(bev);
   if (fd < 0) {
@@ -52,7 +52,7 @@ void Server::disconnect_client(shared_ptr<Client> c) {
   } else {
     // the callbacks will free it when all the data is sent or the client
     // disconnects
-    bufferevent_setcb(bev, NULL,
+    bufferevent_setcb(bev, nullptr,
         Server::dispatch_on_disconnecting_client_output,
         Server::dispatch_on_disconnecting_client_error, this);
     bufferevent_disable(bev, EV_READ);
@@ -114,7 +114,7 @@ void Server::on_listen_accept(struct evconnlistener* listener,
       listening_socket->behavior));
   this->bev_to_client.emplace(make_pair(bev, c));
 
-  bufferevent_setcb(bev, &Server::dispatch_on_client_input, NULL,
+  bufferevent_setcb(bev, &Server::dispatch_on_client_input, nullptr,
       &Server::dispatch_on_client_error, this);
   bufferevent_enable(bev, EV_READ | EV_WRITE);
 
@@ -136,7 +136,7 @@ void Server::connect_client(
   sin->sin_addr.s_addr = htonl(address);
   sin->sin_port = htons(port);
 
-  bufferevent_setcb(bev, &Server::dispatch_on_client_input, NULL,
+  bufferevent_setcb(bev, &Server::dispatch_on_client_input, nullptr,
       &Server::dispatch_on_client_error, this);
   bufferevent_enable(bev, EV_READ | EV_WRITE);
 
@@ -147,7 +147,7 @@ void Server::on_listen_error(struct evconnlistener* listener) {
   int err = EVUTIL_SOCKET_ERROR();
   log(ERROR, "[Server] Failure on listening socket %d: %d (%s)",
       evconnlistener_get_fd(listener), err, evutil_socket_error_to_string(err));
-  event_base_loopexit(this->base.get(), NULL);
+  event_base_loopexit(this->base.get(), nullptr);
 }
 
 void Server::on_client_input(struct bufferevent* bev) {
diff --git a/src/ServerState.cc b/src/ServerState.cc
index afc389c5..5ecfd4fd 100644
--- a/src/ServerState.cc
+++ b/src/ServerState.cc
@@ -134,7 +134,7 @@ shared_ptr<Client> ServerState::find_client(const char16_t* identifier,
   if ((serial_number == 0) && identifier) {
     try {
       string encoded = encode_sjis(identifier);
-      serial_number = stoull(encoded, NULL, 0);
+      serial_number = stoull(encoded, nullptr, 0);
     } catch (const exception&) { }
   }
 
diff --git a/src/ServerState.hh b/src/ServerState.hh
index d004b635..f1c59ed7 100644
--- a/src/ServerState.hh
+++ b/src/ServerState.hh
@@ -77,8 +77,8 @@ struct ServerState {
   void add_lobby(std::shared_ptr<Lobby> l);
   void remove_lobby(uint32_t lobby_id);
 
-  std::shared_ptr<Client> find_client(const char16_t* identifier = NULL,
-    uint64_t serial_number = 0, std::shared_ptr<Lobby> l = NULL);
+  std::shared_ptr<Client> find_client(const char16_t* identifier = nullptr,
+    uint64_t serial_number = 0, std::shared_ptr<Lobby> l = nullptr);
 
   uint32_t connect_address_for_client(std::shared_ptr<Client> c);
 
diff --git a/src/Shell.cc b/src/Shell.cc
index c62d4151..a276844a 100644
--- a/src/Shell.cc
+++ b/src/Shell.cc
@@ -20,7 +20,7 @@ Shell::Shell(std::shared_ptr<struct event_base> base,
       &Shell::dispatch_read_stdin, this), event_free),
     prompt_event(event_new(this->base.get(), 0, EV_TIMEOUT,
       &Shell::dispatch_print_prompt, this), event_free) {
-  event_add(this->read_event.get(), NULL);
+  event_add(this->read_event.get(), nullptr);
 
   // schedule an event to print the prompt as soon as the event loop starts
   // running. we do this so the prompt appears after any initialization
@@ -61,7 +61,7 @@ void Shell::read_stdin() {
       if (!any_command_read) {
         // ctrl+d probably; we should exit
         fputc('\n', stderr);
-        event_base_loopexit(this->base.get(), NULL);
+        event_base_loopexit(this->base.get(), nullptr);
         return;
       } else {
         break; // probably not EOF; just no more commands for now
@@ -82,7 +82,7 @@ void Shell::read_stdin() {
     try {
       execute_command(command);
     } catch (const exit_shell&) {
-      event_base_loopexit(this->base.get(), NULL);
+      event_base_loopexit(this->base.get(), nullptr);
       return;
     } catch (const exception& e) {
       fprintf(stderr, "FAILED: %s\n", e.what());
diff --git a/src/Text.cc b/src/Text.cc
index 370bfd34..19bddcd3 100644
--- a/src/Text.cc
+++ b/src/Text.cc
@@ -63,8 +63,8 @@ static void load_sjis_tables() {
     if (tokens.size() < 2) {
       continue;
     }
-    char16_t sjis_char = stoul(tokens[0], NULL, 0);
-    char16_t unicode_char = stoul(tokens[1], NULL, 0);
+    char16_t sjis_char = stoul(tokens[0], nullptr, 0);
+    char16_t unicode_char = stoul(tokens[1], nullptr, 0);
 
     unicode_to_sjis_table_data[unicode_char] = sjis_char;
     sjis_to_unicode_table_data[sjis_char] = unicode_char;