Add mboxes

src/main.c

@@ -0,0 +1,19 @@
+#include "util.h"
+#include "mode.h"
+
+#include <signal.h>
+
+
+int main(int argc, char** argv)
+{
+	signal(SIGPIPE, SIG_IGN); /* calls to splice() unhelpfully throw this */
+	error_init();
+
+	if (argc < 2) {
+		exit_err( help_help_text );
+	}
+	mode(argv[1], argc-1, argv+1); /* never returns */
+
+	return 0;
+}
+