1 files changed, 30 insertions, 0 deletions
diff --git a/sys/imfort/imgkwd.x b/sys/imfort/imgkwd.x
new file mode 100644
index 00000000..cd3c679d
--- /dev/null
+++ b/sys/imfort/imgkwd.x
@@ -0,0 +1,30 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"imfort.h"
+
+# IMGKWD -- Return the value of the named header keyword as a double.
+
+procedure imgkwd (im, keyw, dval, ier)
+
+pointer	im			# imfort image descriptor
+%       character*(*) keyw
+double	dval
+int	ier
+
+pointer	sp, kp
+double	imgetd()
+int	errcode()
+
+begin
+	call smark (sp)
+	call salloc (kp, SZ_KEYWORD, TY_CHAR)
+
+	call f77upk (keyw, Memc[kp], SZ_KEYWORD)
+	iferr (dval = imgetd (im, Memc[kp])) {
+	    ier = errcode()
+	    call im_seterrop (ier, Memc[kp])
+	} else
+	    ier = OK
+
+	call sfree (sp)
+end