+typedef struct yaz_iconv_struct *yaz_iconv_t;
+#define YAZ_ICONV_UNKNOWN 1
+#define YAZ_ICONV_E2BIG 2
+#define YAZ_ICONV_EILSEQ 3
+#define YAZ_ICONV_EINVAL 4
+
+YAZ_EXPORT yaz_iconv_t yaz_iconv_open (const char *tocode,
+ const char *fromcode);
+YAZ_EXPORT size_t yaz_iconv (yaz_iconv_t cd, char **inbuf, size_t *inbytesleft,
+ char **outbuf, size_t *outbytesleft);
+YAZ_EXPORT int yaz_iconv_error (yaz_iconv_t cd);
+
+YAZ_EXPORT int yaz_iconv_close (yaz_iconv_t cd);
+