Add (unsigned char) cast to ctype functions

[bsdgames-darwin.git] / gomoku / stoc.c

diff --git a/gomoku/stoc.c b/gomoku/stoc.c
index 16488e6d011a02cadcb8e1bf90f81534c5e49cdf..9ca5e6595dad15afd2da3fd41e92528503e47c52 100644 (file)
--- a/gomoku/stoc.c
+++ b/gomoku/stoc.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: stoc.c,v 1.7 2003/08/07 09:37:18 agc Exp $     */
+/*     $NetBSD: stoc.c,v 1.8 2004/11/05 21:30:32 dsl Exp $     */
 
 /*
  * Copyright (c) 1994
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)stoc.c     8.1 (Berkeley) 7/24/94";
 #else
-__RCSID("$NetBSD: stoc.c,v 1.7 2003/08/07 09:37:18 agc Exp $");
+__RCSID("$NetBSD: stoc.c,v 1.8 2004/11/05 21:30:32 dsl Exp $");
 #endif
 #endif /* not lint */
 
@@ -88,7 +88,7 @@ ctos(mp)
        for (i = 0; mv[i].m_code >= 0; i++)
                if (strcmp(mp, mv[i].m_text) == 0)
                        return(mv[i].m_code);
-       if (!isalpha(mp[0]))
+       if (!isalpha((unsigned char)mp[0]))
                return(ILLEGAL);
        i = atoi(&mp[1]);
        if (i < 1 || i > 19)