Keep only base/extractor.[cc|h].

third_party/minicrt/crt0tcon.cc

-//==========================================
-// LIBCTINY - Matt Pietrek 2001
-// MSDN Magazine, January 2001
-// FILE: CRT0TCON.CPP
-//==========================================
-#include "libctiny.h"
-#include <windows.h>
-#include "argcargv.h"
-#include "initterm.h"
-
-// Force the linker to include KERNEL32.LIB
-#pragma comment(linker, "/defaultlib:kernel32.lib")
-
-//#pragma comment(linker, "/nodefaultlib:libc.lib")
-//#pragma comment(linker, "/nodefaultlib:libcmt.lib")
-
-extern "C" int __cdecl main(int, char **, char **);    // In user's code
-
-extern "C" void DoInitialization();
-extern "C" void DoCleanup();
-
-//
-// Modified version of the Visual C++ startup code.  Simplified to
-// make it easier to read.  Only supports ANSI programs.
-//
-extern "C" void __cdecl mainCRTStartup() {
-    int mainret, argc;
-
-    argc = _ConvertCommandLineToArgcArgv( );
-
-    // set up our minimal cheezy atexit table
-    _atexit_init();
-
-    // Call C++ constructors
-    _initterm( __xc_a, __xc_z );
-
-    // DoInitialization();
-
-    mainret = main( argc, _ppszArgv, 0 );
-
-    _DoExit();
-    // DoCleanup();
-
-    ExitProcess(mainret);
-}