#include <mswsock.h>
+// wrappers around WSAStartup/WSACleanup to avoid clutter
+void winsock_init(void);
+void winsock_exit(void);
+
+
+// the equivalent of strerror(errno) for Windows sockets
+char *errnostrsocket(void);
+
+
// Winsock doesn't have recvmsg/sendmsg but offers the same functionality
// with WSARecvMsg/WSASendMsg, so we implement the former in terms of the
// latter.
int ioctl(int d, unsigned long request, int *p);
+// Windows lacks poll, but WSAPoll is good enough for us.
+#define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout)
+
+// Windows lacks pipe. It has an equivalent CreatePipe but we really need
+// something to give to WSAPoll, so we fake it with a local TCP socket. (ugh)
+int pipe(int pipefd[2]);
+
+// pipe(socket)-specific read/write/close equivalents
+#define closepipe closesocket
+#define writepipe(s,buf,len) send(s, buf, len, 0)
+#define readpipe(s,buf,len) recv(s, buf, len, 0)
+
+
// Windows logically doesn't have uname, so we supply a replacement.
struct utsname {