1 files changed, 55 insertions, 0 deletions
diff --git a/usr.bin/doscmd/instbsdi.c b/usr.bin/doscmd/instbsdi.c
new file mode 100644
index 0000000..bfad58b
--- /dev/null
+++ b/usr.bin/doscmd/instbsdi.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 1992, 1993, 1996
+ *	Berkeley Software Design, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Berkeley Software
+ *	Design, Inc.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	BSDI instbsdi.c,v 2.2 1996/04/08 19:32:39 bostic Exp
+ */
+
+#include <dos.h>
+#include <string.h>
+
+main(int ac, char **av)
+{
+    union REGS in, out, tmp;
+    struct SREGS seg, stmp;
+
+    memset(&out, 0, sizeof(out));
+    out.h.ah = 0x52;
+    int86x(0x21, &out, &tmp, &stmp);
+
+    seg.es = stmp.es;
+    in.x.di = tmp.x.bx;
+
+    out.x.ax = 0x5D06;
+    int86x(0x21, &out, &tmp, &stmp);
+
+    seg.ds = stmp.ds;
+    in.x.si = tmp.x.si;
+
+    int86x(0xff, &in, &out, &seg);
+}