/*
this script is ran on the visual C++ 2008 Express Edition
if you want to run on vs 2017, you have to change "Char" to TCHAR
*/

#include <stdio.h>
#include <Windows.h>
#define BUFFERLEN 100

int main()
{
	char command[BUFFERLEN] = "%SystemRoot%\\notepad.exe";
	char Dst[BUFFERLEN] = {0,};

	printf("%s\n",command);
	int r = ExpandEnvironmentStringsA(command, Dst, BUFFERLEN);

	if(!r)
		printf("Failed\n");
	else
		printf("%s\n",Dst);

	return 0;
}