1 files changed, 14 insertions, 0 deletions
diff --git a/sys/fmtio/strlen.x b/sys/fmtio/strlen.x
new file mode 100644
index 00000000..4c3e7364
--- /dev/null
+++ b/sys/fmtio/strlen.x
@@ -0,0 +1,14 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+# STRLEN -- Return length of string (EOS not included).
+
+int procedure strlen (str)
+
+char	str[ARB]
+int	ip
+
+begin
+	do ip = 1, ARB
+	    if (str[ip] == EOS)
+		return (ip - 1)
+end