1 files changed, 32 insertions, 0 deletions
diff --git a/sys/osb/achtzb.gc b/sys/osb/achtzb.gc
new file mode 100644
index 00000000..27ef9a48
--- /dev/null
+++ b/sys/osb/achtzb.gc
@@ -0,0 +1,32 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#define	import_spp
+#define import_knames
+#include <iraf.h>
+
+/* ACHT_B -- Pack SPP array into an unsigned byte array.
+ * [MACHDEP]: The underscore appended to the procedure name is OS dependent.
+ */
+void
+ACHT$TB (
+  $if (datatype == B)
+  XCHAR  	*a,
+  $else
+  XPIXEL  	*a,
+  $endif
+  XCHAR	    	*b,
+  XINT	    	*npix
+)
+{
+	register XPIXEL	*ip;
+	register XUBYTE	*op;
+	register int n = *npix;
+
+	for (ip=(XPIXEL *)a, op=(XUBYTE *)b;  --n >= 0;  )
+	    $if (datatype == x)
+		*op++ = (int) (ip++)->r;
+	    $else
+		*op++ = *ip++;
+	    $endif
+}