--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmu200/dispatch.c	Sat May 20 18:49:35 2017 +0000
@@ -0,0 +1,38 @@
+/*
+ * This module contains the code that dispatches client commands.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+extern char *client_cmd_fields[];
+extern int client_cmd_nfields;
+
+cmd_ping()
+{
+	send_socket_response("+Pong\n");
+	return(0);
+}
+
+static struct cmdtab {
+	char	*cmd_kw;
+	int	(*handler)();
+} cmdtab[] = {
+	{"ping", cmd_ping},
+	{0, 0}
+};
+
+dispatch_client_command()
+{
+	struct cmdtab *tp;
+
+	for (tp = cmdtab; tp->cmd_kw; tp++)
+		if (!strcmp(client_cmd_fields[0], tp->cmd_kw))
+			break;
+	if (tp->handler)
+		return tp->handler();
+	send_socket_response("-Unknown or unimplemented command\n");
+	return(0);
+}