@@ -182,9 +182,9 @@
 ifelse(target_posix,“yes”,“
 	/* by convention, posix return values are 8-bit,
 	 * but note that many modern UNIXes do technically
 	 * support higher-bit values. for this reason,
-	 * longstat is defined differently under posix. */
+	 * stat_long is defined differently under posix. */
 	typedef u8 stat;
 	typedef u32 stat_long;
 ”,“dnl
 	ifelse(atom_target_os,“win”,“
@@ -200,5 +200,12 @@
 	”)”)dnl
 	typedef stat stat_long;
 ”)dnl
 
+/* unicode types */
+
+typedef u32 codepoint;
+	/* a codepoint is a UTF-32 character */
+typedef u8 rune [5];
+	/* a rune is a valid UTF-8 character terminated with a nul. */
+
 #endif