Add http_message

common/http_message.h

@@ -0,0 +1,10 @@
+#ifndef HTTP_MESSAGE_H
+#define HTTP_MESSAGE_H
+struct http_message {
+    char *address;
+    // though an int makes sense, all functions use char*s for their ports. This avoids unneeded conversion.
+    char *port;
+    char *path;
+    char *contents;
+};
+#endif