1 files changed, 25 insertions, 0 deletions
diff --git a/sys/fio/putcc.x b/sys/fio/putcc.x
new file mode 100644
index 00000000..ac96f50e
--- /dev/null
+++ b/sys/fio/putcc.x
@@ -0,0 +1,25 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<ctype.h>
+
+define	SZ_CCSTR		5
+
+# PUTCC -- Put a character to a file.  This procedure is identical to PUTC,
+# except that nonprintable characters are rendered as escape sequences.
+
+procedure putcc (fd, ch)
+
+int	fd
+char	ch
+char	ccstr[SZ_CCSTR]
+int	ip, n, ctocc()
+
+begin
+	if (IS_PRINT (ch))
+	    call putc (fd, ch)
+	else {
+	    n = ctocc (ch, ccstr, SZ_CCSTR)
+	    do ip = 1, n
+		call putc (fd, ccstr[ip])
+	}
+end