1 files changed, 32 insertions, 0 deletions
diff --git a/sys/fmtio/clscan.x b/sys/fmtio/clscan.x
new file mode 100644
index 00000000..563954d3
--- /dev/null
+++ b/sys/fmtio/clscan.x
@@ -0,0 +1,32 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# CLSCAN -- Begin a scan of the value of a CL parameter
+
+int procedure clscan (param)
+
+char	param[ARB]
+int	getline(), strncmp(), clc_fetch()
+include	"scan.com"
+errchk	clreqpar, getline
+
+begin
+	# Fetch the value of a CL parameter.  First look in the parameter
+	# cache, querying the CL for the value of the parameter only if it
+	# is not found in the cache.
+
+	if (clc_fetch (param, sc_scanbuf, SZ_SCANBUF) == ERR) {
+	    call clreqpar (param)
+	    if (getline (CLIN, sc_scanbuf) == EOF)
+		return (EOF)
+	}
+
+	# Check for EOF on a list structured parameter; if not EOF initialize
+	# formatted input for the clget procedures.
+
+	if (strncmp ("EOF\n", sc_scanbuf, 4) == 0)
+	    return (EOF)
+	else {
+	    call reset_scan()
+	    return (OK)
+	}
+end