The 'Saved Games' folder didn't exist before Vista so you may have some compatibility issues, why not just use Documents?
#include <acknex.h>
#include <default.c>
#include <windows.h>
void main(){
char sPath[MAX_PATH];
SHGetSpecialFolderPath(0, sPath, 5, false);
printf("%s",sPath);
}
(Not sure if this'll work for c-script, it's a while since I've used it)