OS_VERSION_WINNT 313 support/win32/ApacheMonitor.c *dwVersion = OS_VERSION_WINNT; OS_VERSION_WINNT 446 support/win32/ApacheMonitor.c if (g_dwOSVersion >= OS_VERSION_WINNT) { OS_VERSION_WINNT 1245 support/win32/ApacheMonitor.c if (g_dwOSVersion < OS_VERSION_WINNT)