diff --git a/lib/types.c b/lib/types.c
new file mode 100644
index 0000000..f8b7ee2
--- /dev/null
+++ b/lib/types.c
@@ -0,0 +1,46 @@
+#include <types.h>
+
+char ctype[] =
+{
+	0x00,
+/* 0 */	CT_CTL, CT_CTL, CT_CTL, CT_CTL,
+	CT_CTL, CT_CTL, CT_CTL, CT_CTL,
+/* 8 */	CT_CTL, CT_CTL | CT_WHT, CT_CTL | CT_WHT, CT_CTL | CT_WHT,
+	CT_CTL | CT_WHT, CT_CTL | CT_WHT, CT_CTL, CT_CTL,
+/* 16 */CT_CTL, CT_CTL, CT_CTL, CT_CTL,
+	CT_CTL, CT_CTL, CT_CTL, CT_CTL,
+/* 24 */CT_CTL, CT_CTL, CT_CTL, CT_CTL,
+	CT_CTL, CT_CTL, CT_CTL, CT_CTL,
+/* ' ' */CT_WHT | CT_SP, CT_PUN, CT_PUN, CT_PUN,
+	CT_PUN, CT_PUN, CT_PUN, CT_PUN,
+/* '(' */CT_PUN, CT_PUN, CT_PUN, CT_PUN,
+	CT_PUN, CT_PUN, CT_PUN, CT_PUN,
+/* '0' */CT_DIG, CT_DIG, CT_DIG, CT_DIG,
+	CT_DIG, CT_DIG, CT_DIG, CT_DIG,
+/* '8' */CT_DIG, CT_DIG, CT_PUN, CT_PUN,
+	CT_PUN, CT_PUN, CT_PUN, CT_PUN,
+/* '@' */CT_PUN, CT_UP | CT_HEX, CT_UP | CT_HEX, CT_UP | CT_HEX,
+	CT_UP | CT_HEX, CT_UP | CT_HEX, CT_UP | CT_HEX, CT_UP,
+/* 'H' */CT_UP, CT_UP, CT_UP, CT_UP,
+	CT_UP, CT_UP, CT_UP, CT_UP,
+/* 'P' */CT_UP, CT_UP, CT_UP, CT_UP,
+	CT_UP, CT_UP, CT_UP, CT_UP,
+/* 'X' */CT_UP, CT_UP, CT_UP, CT_PUN,
+	CT_PUN, CT_PUN, CT_PUN, CT_PUN,
+/* '`' */CT_PUN, CT_LOW | CT_HEX, CT_LOW | CT_HEX, CT_LOW | CT_HEX,
+	CT_LOW | CT_HEX, CT_LOW | CT_HEX, CT_LOW | CT_HEX, CT_LOW,
+/* h' */CT_LOW, CT_LOW, CT_LOW, CT_LOW,
+	CT_LOW, CT_LOW, CT_LOW, CT_LOW,
+/* 'p' */CT_LOW, CT_LOW, CT_LOW, CT_LOW,
+	CT_LOW, CT_LOW, CT_LOW, CT_LOW,
+/* 'x' */CT_LOW, CT_LOW, CT_LOW, CT_PUN,
+	CT_PUN, CT_PUN, CT_PUN, CT_CTL,
+/* 128 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+/* 144 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+/* 160 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+/* 176 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+/* 192 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+/* 208 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+/* 224 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+/* 240 */0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};