Make cin be static
diff --git a/more.c b/more.c
index 538708c..03cb3bc 100644
--- a/more.c
+++ b/more.c
@@ -47,7 +47,7 @@
 #		define getTermSettings(fd,argp) tcgetattr(fd, argp);
 #	endif
 
-FILE *cin;
+static FILE *cin;
 
 static struct termios initial_settings, new_settings;