--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simtool/main.c	Sun Mar 14 07:11:25 2021 +0000
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+extern char be_reader_name[];
+extern char be_atr_string[];
+
+main(argc, argv)
+	char **argv;
+{
+	extern int optind;
+	char command[512];
+	int rc;
+
+	parse_global_options(argc, argv);
+	launch_backend();
+	collect_backend_init_strings();
+	if (argc > optind) {
+		rc = dispatch_ready_argv(argc - optind, argv + optind);
+		if (rc)
+			exit(1);
+		else
+			good_exit();
+	}
+	if (be_reader_name)
+		printf("Card reader name: %s\n", be_reader_name);
+	if (be_atr_string)
+		printf("ATR: %s\n", be_atr_string);
+	for (;;) {
+		if (isatty(0)) {
+			fputs("simtool> ", stdout);
+			fflush(stdout);
+		}
+		if (!fgets(command, sizeof command, stdin))
+			good_exit();
+		simtool_dispatch_cmd(command, 0);
+	}
+}