56 bool GetOsVersion(int* major, int* minor, int* build);
59   int major;  in IsWindowsVistaOrLater()  local
60   return (GetOsVersion(&major, nullptr, nullptr) && major >= kWindowsVista);  in IsWindowsVistaOrLater()
64   int major, minor;  in IsWindowsXpOrLater()  local
65   return (GetOsVersion(&major, &minor, nullptr) &&  in IsWindowsXpOrLater()
66           (major >= kWindowsVista || (major == kWindows2000 && minor >= 1)));  in IsWindowsXpOrLater()
70   int major, minor;  in IsWindows8OrLater()  local
71   return (GetOsVersion(&major, &minor, nullptr) &&  in IsWindows8OrLater()
72           (major > kWindowsVista || (major == kWindowsVista && minor >= 2)));  in IsWindows8OrLater()
76   int major;  in IsWindows10OrLater()  local
77   return (GetOsVersion(&major, nullptr, nullptr) && (major >= kWindows10));  in IsWindows10OrLater()