} TR_NAME;
TR_EXPORT TR_NAME *tr_new_name (const char *name);
-TR_EXPORT TR_NAME *tr_dup_name (TR_NAME *from);
+TR_EXPORT TR_NAME *tr_dup_name (const TR_NAME *from);
TR_EXPORT void tr_free_name (TR_NAME *name);
-TR_EXPORT int tr_name_cmp (TR_NAME *one, TR_NAME *two);
+TR_EXPORT int tr_name_cmp (const TR_NAME *one, const TR_NAME *two);
TR_EXPORT void tr_name_strlcat(char *dest, const TR_NAME *src, size_t len);
-TR_EXPORT char *tr_name_strdup(TR_NAME *);
-TR_EXPORT TR_NAME *tr_name_cat(TR_NAME *n1, TR_NAME *n2);
+TR_EXPORT char *tr_name_strdup(const TR_NAME *);
+TR_EXPORT TR_NAME *tr_name_cat(const TR_NAME *n1, const TR_NAME *n2);
#endif