C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\ws2def.h(91) : warning C4005: 'AF_IPX' : macro redefinition C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\winsock.h(460) : see previous definition of 'AF_IPX' C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\ws2def.h(131) : warning C4005: 'AF_MAX' : macro redefinition C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\winsock.h(479) : see previous definition of 'AF_MAX' C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\ws2def.h(168) : warning C4005: 'SO_DONTLINGER' : macro redefinition C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\winsock.h(402) : see previous definition of 'SO_DONTLINGER' C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\ws2def.h(212) : error C2011: 'sockaddr' : 'struct' type redefinition C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\winsock.h(485) : see declaration of 'sockaddr' C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\ws2def.h(390) : error C2059: syntax error : 'constant' . . . C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\ws2tcpip.h(664) : error C3861: 'WSASetLastError': identifier not found C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\ws2tcpip.h(671) : error C3861: 'WSASetLastError': identifier not found