// main.cpp
#include <tchar.h>
#include <stdio.h>

extern "C" extern int returnOne();

int _tmain(int argc, _TCHAR* argv[])
{
	if( returnOne() )
		printf("Hello world!");

	return 0;
}

// main.asm
//  * command line: ml64 /c /Cx "$(InputPath)"
//  * outputs: "$(InputName).obj"

.CODE

returnOne PROC

      xor rax, rax
      inc rax
      ret

returnOne ENDP
END