Added new DNS::Resolve static method and organized it per OS.

include/ehs/io/socket/BaseDNS.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "Socket.h"
+#include "ehs/Str.h"
+
+namespace ehs
+{
+	class BaseDNS
+	{
+	public:
+		static Str_8 Resolve(AddrType type, const Str_8 &hostname);
+
+		/// Resolves a hostname to an ip address.
+		/// @param [in] hostname The given hostname to resolve.
+		/// @returns The resulting ip address.
+		static Str_8 Resolve(const Str_8 &hostname);
+	};
+}