Add original unix v6

source/s2/opr.c

@@ -0,0 +1,27 @@
+/*
+ *	opr -- off line print dispatcher
+ *		chooses spooling routine appropriate 
+ *		to destination
+ *
+ *	last entry in table isdefault
+ */
+
+char *code[] {
+	"-lp",	"/lib/lpr",	/* line printer */
+	0
+};
+
+main(argc, argv)
+char **argv;
+{
+	int i, j;
+
+	argv[argc] = 0;
+	for(i=0; code[i]; i=+2)
+	if(argc > 1)
+		for(j=0; code[i][j]==argv[1][j]; j++)
+			if(code[i][j] == 0)
+					execv(code[i+1], &argv[1]);
+	execv(code[i-1], argv);
+	write(2, "can't start daemon\n", 19);
+}