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-rw-r--r--pkg/tbtables/fitsio/fitssppb/fsddef.x16
1 files changed, 16 insertions, 0 deletions
diff --git a/pkg/tbtables/fitsio/fitssppb/fsddef.x b/pkg/tbtables/fitsio/fitssppb/fsddef.x
new file mode 100644
index 00000000..c07bb65a
--- /dev/null
+++ b/pkg/tbtables/fitsio/fitssppb/fsddef.x
@@ -0,0 +1,16 @@
+include "fitsio.h"
+
+procedure fsddef(ounit,bytlen,status)
+
+# Data DEFinition
+# re-define the length of the data unit
+# this simply redefines the start of the next HDU
+
+int ounit # i output file pointer
+int bytlen # i length in bytes
+int status # o error status
+
+begin
+
+call ftddef(ounit,bytlen,status)
+end