From 3b165068203b334a8bddc045783298f55ab292f9 Mon Sep 17 00:00:00 2001
From: dnbaker <dnb@cs.jhu.edu>
Date: Fri, 8 Feb 2019 09:32:27 -0500
Subject: [PATCH] char *p to const char *p for const-correctness.

---
 ketopt.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ketopt.h b/ketopt.h
index 11638db..43b5f4a 100644
--- a/ketopt.h
+++ b/ketopt.h
@@ -89,7 +89,7 @@ static int ketopt(ketopt_t *s, int argc, char *argv[], int permute, const char *
 			}
 		}
 	} else { /* a short option */
-		char *p;
+		const char *p;
 		if (s->pos == 0) s->pos = 1;
 		opt = s->opt = argv[s->i][s->pos++];
 		p = strchr(ostr, opt);