#include <windows.h>
#include <msvcrt/stdio.h>
#include <msvcrt/io.h> 


/*
 * @implemented
 */
int rename(const char *old_, const char *new_)
{
	if ( old_ == NULL || new_ == NULL )
		return -1;

 	if ( !MoveFileA(old_,new_) )
		return -1;

	return 0;
}