diff --git a/src/net.h b/src/net.h
new file mode 100644
index 0000000..a8b45c6
--- /dev/null
+++ b/src/net.h
@@ -0,0 +1,18 @@
+/* -*- c-basic-offset: 4 -*- */
+
+#ifndef KHET_NET_H
+#define KHET_NET_H
+
+#include <stdio.h>
+
+extern FILE *net_side[2];
+
+#define net_getc(side) getc(net_side[i])
+
+extern void net_server(int port);
+
+extern void net_all_printf(const char *fmt, ...);
+extern void net_side_printf(int side, const char *fmt, ...);
+extern void net_all_flush();
+
+#endif