+YAZ_EXPORT const char **chr_map_input(chrmaptab t, const char **from, int len);
+YAZ_EXPORT const char **chr_map_input_x(chrmaptab t,
+ const char **from, int *len);
+YAZ_EXPORT const char **chr_map_input_q(chrmaptab maptab,
+ const char **from, int len,
+ const char **qmap);
+
+YAZ_EXPORT const char *chr_map_output(chrmaptab t, const char **from, int len);