Support, on Unix only (so far), for OpenSSH-style generic proxying

(running a local command in a pair of pipes and proxying through
that, for example `ssh proxyhost nc -q0 %host %port').

[originally from svn r3164]

pproxy.c

@@ -0,0 +1,17 @@
+/*
+ * pproxy.c: dummy implementation of platform_new_connection(), to
+ * be supplanted on any platform which has its own local proxy
+ * method.
+ */
+
+#include "putty.h"
+#include "network.h"
+#include "proxy.h"
+
+Socket new_connection(SockAddr addr, char *hostname,
+		      int port, int privport,
+		      int oobinline, int nodelay, Plug plug,
+		      const Config *cfg)
+{
+    return NULL;
+}