- char * psz_eng_name; /* Description in English */
- char * psz_native_name; /* Description in native language */
- char * psz_iso639_1; /* ISO-639-1 (2 characters) code */
- char * psz_iso639_2T; /* ISO-639-2/T (3 characters) English code */
- char * psz_iso639_2B; /* ISO-639-2/B (3 characters) native code */
+ const char * psz_eng_name; /* Description in English */
+ const char * psz_native_name; /* Description in native language */
+ const char * psz_iso639_1; /* ISO-639-1 (2 characters) code */
+ const char * psz_iso639_2T; /* ISO-639-2/T (3 characters) English code */
+ const char * psz_iso639_2B; /* ISO-639-2/B (3 characters) native code */