1 files changed, 28 insertions, 0 deletions
diff --git a/unix/gdev/iism70/zstm70.x b/unix/gdev/iism70/zstm70.x
new file mode 100644
index 00000000..2b790dfa
--- /dev/null
+++ b/unix/gdev/iism70/zstm70.x
@@ -0,0 +1,28 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<mach.h>
+include	<fio.h>
+include	"m70.h"
+
+# ZSTM70 -- Return device status for the IIS.
+
+procedure zstm70 (chan, what, lvalue)
+
+int	chan			# FCB pointer for device
+int	what			# status parameter
+long	lvalue
+
+begin
+	switch (what) {
+	case FSTT_FILSIZE:
+	    lvalue = IIS_FILSIZE
+	case FSTT_BLKSIZE:
+	    lvalue = IIS_BLKSIZE
+	case FSTT_OPTBUFSIZE:
+	    lvalue = IIS_OPTBUFSIZE
+	case FSTT_MAXBUFSIZE:
+	    lvalue = IIS_MAXBUFSIZE
+	default:
+	    lvalue = ERR
+	}
+end