#ifndef __UTF8_H
#define __UTF8_H
-void get_utf8_char(const unsigned char **ptr);
+/* Returns -2 = invalid, -1 = need more data, otherwise unichar. */
+unichar get_utf8_char(const unsigned char **ptr, int len);
+
+/* Returns length of UTF8 string */
+int strlen_utf8(const char *str);
+
+/* UTF-8 -> unichar string. The NUL is copied as well. */
+void utf8_to_utf16(const char *str, unichar *out);
+
+/* unichar -> UTF-8 string. outbuf must be at least 6 chars long.
+ Returns outbuf string length. */
+int utf16_char_to_utf8(unichar c, char *outbuf);
+
+/* unichar -> UTF-8 string. The NUL is copied as well.
+ Make sure out is at least 6 x length of str. */
+void utf16_to_utf8(const unichar *str, char *out);
#endif