cmake HAVE_WINSOCK_H examples

fluent/fluent-bit lib/c-ares-1.34.4/CMakeLists.txt :254 

CHECK_INCLUDE_FILES ("winsock.h;windows.h"             HAVE_WINSOCK_H)

ornladios/ADIOS2 thirdparty/ffs/ffs/CMakeLists.txt :287 

CHECK_INCLUDE_FILE(winsock.h HAVE_WINSOCK_H)

DCMTK/dcmtk CMake/GenerateDCMTKConfigure.cmake :296 

CHECK_INCLUDE_FILE_CXX("winsock.h" HAVE_WINSOCK_H)