--- /dev/null
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef SDL_main_h_
+#define SDL_main_h_
+
+#include "SDL_stdinc.h"
+
+/**
+ * \file SDL_main.h
+ *
+ * Redefine main() on some platforms so that it is called by SDL.
+ */
+
+#ifndef SDL_MAIN_HANDLED
+#if defined(__WIN32__)
+/* On Windows SDL provides WinMain(), which parses the command line and passes
+ the arguments to your main function.
+
+ If you provide your own WinMain(), you may define SDL_MAIN_HANDLED
+ */
+#define SDL_MAIN_AVAILABLE
+
+#elif defined(__WINRT__)
+/* On WinRT, SDL provides a main function that initializes CoreApplication,
+ creating an instance of IFrameworkView in the process.
+
+ Please note that #include'ing SDL_main.h is not enough to get a main()
+ function working. In non-XAML apps, the file,
+ src/main/winrt/SDL_WinRT_main_NonXAML.cpp, or a copy of it, must be compiled
+ into the app itself. In XAML apps, the function, SDL_WinRTRunApp must be
+ called, with a pointer to the Direct3D-hosted XAML control passed in.
+*/
+#define SDL_MAIN_NEEDED
+
+#elif defined(__IPHONEOS__)
+/* On iOS SDL provides a main function that creates an application delegate
+ and starts the iOS application run loop.
+
+ If you link with SDL dynamically on iOS, the main function can't be in a
+ shared library, so you need to link with libSDLmain.a, which includes a
+ stub main function that calls into the shared library to start execution.
+
+ See src/video/uikit/SDL_uikitappdelegate.m for more details.
+ */
+#define SDL_MAIN_NEEDED
+
+#elif defined(__ANDROID__)
+/* On Android SDL provides a Java class in SDLActivity.java that is the
+ main activity entry point.
+
+ See docs/README-android.md for more details on extending that class.
+ */
+#define SDL_MAIN_NEEDED
+
+/* We need to export SDL_main so it can be launched from Java */
+#define SDLMAIN_DECLSPEC DECLSPEC
+
+#elif defined(__NACL__)
+/* On NACL we use ppapi_simple to set up the application helper code,
+ then wait for the first PSE_INSTANCE_DIDCHANGEVIEW event before
+ starting the user main function.
+ All user code is run in a separate thread by ppapi_simple, thus
+ allowing for blocking io to take place via nacl_io
+*/
+#define SDL_MAIN_NEEDED
+
+#endif
+#endif /* SDL_MAIN_HANDLED */
+
+#ifndef SDLMAIN_DECLSPEC
+#define SDLMAIN_DECLSPEC
+#endif
+
+/**
+ * \file SDL_main.h
+ *
+ * The application's main() function must be called with C linkage,
+ * and should be declared like this:
+ * \code
+ * #ifdef __cplusplus
+ * extern "C"
+ * #endif
+ * int main(int argc, char *argv[])
+ * {
+ * }
+ * \endcode
+ */
+
+#if defined(SDL_MAIN_NEEDED) || defined(SDL_MAIN_AVAILABLE)
+#define main SDL_main
+#endif
+
+#include "begin_code.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * The prototype for the application's main() function
+ */
+typedef int (*SDL_main_func)(int argc, char *argv[]);
+extern SDLMAIN_DECLSPEC int SDL_main(int argc, char *argv[]);
+
+
+/**
+ * This is called by the real SDL main function to let the rest of the
+ * library know that initialization was done properly.
+ *
+ * Calling this yourself without knowing what you're doing can cause
+ * crashes and hard to diagnose problems with your application.
+ */
+extern DECLSPEC void SDLCALL SDL_SetMainReady(void);
+
+#ifdef __WIN32__
+
+/**
+ * This can be called to set the application class at startup
+ */
+extern DECLSPEC int SDLCALL SDL_RegisterApp(char *name, Uint32 style, void *hInst);
+extern DECLSPEC void SDLCALL SDL_UnregisterApp(void);
+
+#endif /* __WIN32__ */
+
+
+#ifdef __WINRT__
+
+/**
+ * \brief Initializes and launches an SDL/WinRT application.
+ *
+ * \param mainFunction The SDL app's C-style main().
+ * \param reserved Reserved for future use; should be NULL
+ * \return 0 on success, -1 on failure. On failure, use SDL_GetError to retrieve more
+ * information on the failure.
+ */
+extern DECLSPEC int SDLCALL SDL_WinRTRunApp(SDL_main_func mainFunction, void * reserved);
+
+#endif /* __WINRT__ */
+
+#if defined(__IPHONEOS__)
+
+/**
+ * \brief Initializes and launches an SDL application.
+ *
+ * \param argc The argc parameter from the application's main() function
+ * \param argv The argv parameter from the application's main() function
+ * \param mainFunction The SDL app's C-style main().
+ * \return the return value from mainFunction
+ */
+extern DECLSPEC int SDLCALL SDL_UIKitRunApp(int argc, char *argv[], SDL_main_func mainFunction);
+
+#endif /* __IPHONEOS__ */
+
+
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* SDL_main_h_ */
+
+/* vi: set ts=4 sw=4 expandtab: */
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