Added support for quitting without ^C, and outputting to file

types.h

@@ -2,22 +2,27 @@
 #pragma once
 
 #include <stdint.h>
+#include <limits.h>
 #include "config.h"
 
+// Only use big ints on architectures where it doesn't impact speed
 #if INT_FAST16_MAX == INT_FAST64_MAX
 typedef  int      rowsint_t;
-typedef  int      columnsint_t;
+typedef unsigned  columnsint_t;
+#define QUITCOLUMN UINT_MAX
 typedef unsigned  winint_t;
 typedef uintmax_t column_t;
 #else
 typedef  int_fast8_t rowsint_t;
-typedef  int_fast8_t columnsint_t;
+typedef uint_fast8_t columnsint_t;
+#define QUITCOLUMN UINT_FAST8_MAX
 typedef uint_fast8_t winint_t;
 typedef uint_fast8_t column_t;
 #endif
 
 #define WININT_FORMAT "%3d"
 
+
 typedef struct {
 	bool player;
 	rowsint_t *height;