Use C++ headers in C++ code

src/openrct2-ui/input/Input.cpp

@@ -15,7 +15,7 @@
 #pragma endregion
 
 #include <SDL.h>
-#include <ctype.h>
+#include <cctype>
 #include <openrct2/Context.h>
 #include <openrct2/OpenRCT2.h>
 #include <openrct2/common.h>

src/openrct2-ui/windows/EditorObjectSelection.cpp

@@ -16,7 +16,7 @@
 
 #include <openrct2-ui/windows/Window.h>
 
-#include <ctype.h>
+#include <cctype>
 #include <string>
 
 #include <openrct2/audio/audio.h>

src/openrct2-ui/windows/LoadSave.cpp

@@ -23,7 +23,7 @@
 #include <openrct2/windows/Intent.h>
 #include <openrct2-ui/windows/Window.h>
 
-#include <time.h>
+#include <ctime>
 #include <openrct2/core/Guard.hpp>
 #include <openrct2/Editor.h>
 #include <openrct2/Game.h>

src/openrct2/Diagnostic.cpp

@@ -14,9 +14,9 @@
  *****************************************************************************/
 #pragma endregion
 
-#include <assert.h>
-#include <stdarg.h>
-#include <stdio.h>
+#include <cassert>
+#include <cstdarg>
+#include <cstdio>
 #include "Diagnostic.h"
 
 #ifdef __ANDROID__

src/openrct2/cmdline/RootCommands.cpp

@@ -14,7 +14,7 @@
  *****************************************************************************/
 #pragma endregion
 
-#include <time.h>
+#include <ctime>
 
 #include "../core/Guard.hpp"
 

src/openrct2/core/Guard.cpp

@@ -15,8 +15,8 @@
 #pragma endregion
 
 #include <cassert>
-#include <stdarg.h>
-#include <stdio.h>
+#include <cstdarg>
+#include <cstdio>
 
 #include "../common.h"
 

src/openrct2/network/TcpSocket.cpp

@@ -21,7 +21,7 @@
 #include <thread>
 
 // MSVC: include <math.h> here otherwise PI gets defined twice
-#include <math.h>
+#include <cmath>
 
 #ifdef _WIN32
     // winsock2 must be included before windows.h
@@ -40,7 +40,7 @@
     #endif
     #define FLAG_NO_PIPE 0
 #else
-    #include <errno.h>
+    #include <cerrno>
     #include <arpa/inet.h>
     #include <netdb.h>
     #include <netinet/tcp.h>

src/openrct2/platform/Platform.Posix.cpp

@@ -18,7 +18,7 @@
 
 #include <cstring>
 #include <pwd.h>
-#include <stdlib.h>
+#include <cstdlib>
 #include "../core/String.hpp"
 #include "Platform2.h"
 #include "platform.h"

src/openrct2/util/Util.cpp

@@ -14,8 +14,8 @@
  *****************************************************************************/
 #pragma endregion
 
-#include <ctype.h>
-#include <time.h>
+#include <cctype>
+#include <ctime>
 #include "../common.h"
 #include "../core/Guard.hpp"
 #include "../core/Math.hpp"

src/openrct2/world/MapGen.cpp

@@ -15,7 +15,7 @@
 #pragma endregion
 
 #include "../common.h"
-#include <math.h>
+#include <cmath>
 #include <vector>
 
 #include "../Context.h"