From bcb0c7ccde0393e5453fc2c31cb0baede4e88441 Mon Sep 17 00:00:00 2001
From: pgen <p.gen.progs@gmail.com>
Date: Thu, 23 Apr 2020 15:57:50 +0200
Subject: Use a new constraint check for the "lines" option

---
 utils.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'utils.h')

diff --git a/utils.h b/utils.h
index 17e52dd..8c69b8e 100644
--- a/utils.h
+++ b/utils.h
@@ -62,4 +62,7 @@ isprint8(int i);
 int
 xwcscasecmp(const wchar_t * w1s, const wchar_t * w2s);
 
+int
+is_integer(const char * const s);
+
 #endif
-- 
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