#include "stdafx.h"
#include <malloc.h>
#include <windows.h>

int main(int argc, char* argv[])
{
	char *szBuffer;

	{
		// *****************************************
		//  C++ の new と delete
		// *****************************************
		UINT uBufferSize;

		uBufferSize = GetWindowsDirectory( NULL, 0 );

		szBuffer = new char[uBufferSize+10];  // 確保

		GetWindowsDirectory( szBuffer, uBufferSize );
		printf( "%s\n", szBuffer );

		delete [] szBuffer;  // 解放
	}

	{
		// *****************************************
		//  ランタイムライブラリ
		// *****************************************
		UINT uBufferSize;

		uBufferSize = GetSystemDirectory( NULL, 0 );

		szBuffer = (char *)malloc( (size_t)(uBufferSize+10) );  // 確保

		GetSystemDirectory( szBuffer, uBufferSize );
		printf( "%s\n", szBuffer );

		free( (void *)szBuffer );  // 解放
	}

	{
		// *****************************************
		//  Win32 API
		// *****************************************
		DWORD nBufferSize;

		nBufferSize = GetCurrentDirectory( 0, NULL );

		szBuffer = (char *)GlobalAlloc(GMEM_FIXED, nBufferSize+10);  // 確保

		GetCurrentDirectory( nBufferSize, szBuffer );
		printf( "%s\n", szBuffer );

		GlobalFree( (HGLOBAL)szBuffer );  // 解放
	}

	return 0;
}