1 files changed, 26 insertions, 0 deletions
diff --git a/sys/imio/imbln2.x b/sys/imio/imbln2.x
new file mode 100644
index 00000000..034a1a45
--- /dev/null
+++ b/sys/imio/imbln2.x
@@ -0,0 +1,26 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+include	<imio.h>
+
+# IMBLN2 -- Get the length of the axes of a two dimensional subraster.
+# Must be called immediately after the get or put call that created the
+# buffer.
+
+procedure imbln2 (imdes, nx, ny)
+
+pointer	imdes
+int	nx, ny
+int	i, v[2]
+pointer	bdes
+
+begin
+	# Get pointer to most recently used buffer descriptor.
+	bdes = IM_LASTBDES(imdes)
+
+	do i = 1, 2
+	    v[i] = abs (BD_VE(bdes,i) - BD_VS(bdes,i)) + 1
+
+	nx = v[1]
+	ny = v[2]
+end