Hello I had Compile xmlblaster cpp client lib on windows2000 with msvc7. the error message: "[cc] D:\visual studio\Vc7\PlatformSDK\Include\WinSock2.h(109) : error C20 11: “fd_set” : “struct”type redefined" If i replace "# include <winsock2.h>" to "# include <winsock.h>",it was ok. thanks any way pikaiyuan 2004-04-29