void Init_grpc_call() {
  /* CallError inherits from Exception to signal that it is non-recoverable */
  grpc_rb_eCallError =
      rb_define_class_under(grpc_rb_mGrpcCore, "CallError", rb_eException);
  grpc_rb_eOutOfTime =
      rb_define_class_under(grpc_rb_mGrpcCore, "OutOfTime", rb_eException);
  grpc_rb_cCall = rb_define_class_under(grpc_rb_mGrpcCore, "Call", rb_cObject);
  grpc_rb_cMdAry =
      rb_define_class_under(grpc_rb_mGrpcCore, "MetadataArray", rb_cObject);

  /* Prevent allocation or inialization of the Call class */
  rb_define_alloc_func(grpc_rb_cCall, grpc_rb_cannot_alloc);
  rb_define_method(grpc_rb_cCall, "initialize", grpc_rb_cannot_init, 0);
  rb_define_method(grpc_rb_cCall, "initialize_copy", grpc_rb_cannot_init_copy,
                   1);

  /* Add ruby analogues of the Call methods. */
  rb_define_method(grpc_rb_cCall, "run_batch", grpc_rb_call_run_batch, 4);
  rb_define_method(grpc_rb_cCall, "cancel", grpc_rb_call_cancel, 0);
  rb_define_method(grpc_rb_cCall, "peer", grpc_rb_call_get_peer, 0);
  rb_define_method(grpc_rb_cCall, "peer_cert", grpc_rb_call_get_peer_cert, 0);
  rb_define_method(grpc_rb_cCall, "status", grpc_rb_call_get_status, 0);
  rb_define_method(grpc_rb_cCall, "status=", grpc_rb_call_set_status, 1);
  rb_define_method(grpc_rb_cCall, "metadata", grpc_rb_call_get_metadata, 0);
  rb_define_method(grpc_rb_cCall, "metadata=", grpc_rb_call_set_metadata, 1);
  rb_define_method(grpc_rb_cCall, "write_flag", grpc_rb_call_get_write_flag, 0);
  rb_define_method(grpc_rb_cCall, "write_flag=", grpc_rb_call_set_write_flag,
                   1);
  rb_define_method(grpc_rb_cCall, "set_credentials!",
                   grpc_rb_call_set_credentials, 1);

  /* Ids used to support call attributes */
  id_metadata = rb_intern("metadata");
  id_status = rb_intern("status");
  id_write_flag = rb_intern("write_flag");

  /* Ids used by the c wrapping internals. */
  id_cq = rb_intern("__cq");
  id_flags = rb_intern("__flags");
  id_input_md = rb_intern("__input_md");
  id_credentials = rb_intern("__credentials");

  /* Ids used in constructing the batch result. */
  sym_send_message = ID2SYM(rb_intern("send_message"));
  sym_send_metadata = ID2SYM(rb_intern("send_metadata"));
  sym_send_close = ID2SYM(rb_intern("send_close"));
  sym_send_status = ID2SYM(rb_intern("send_status"));
  sym_message = ID2SYM(rb_intern("message"));
  sym_status = ID2SYM(rb_intern("status"));
  sym_cancelled = ID2SYM(rb_intern("cancelled"));

  /* The Struct used to return the run_batch result. */
  grpc_rb_sBatchResult = rb_struct_define(
      "BatchResult", "send_message", "send_metadata", "send_close",
      "send_status", "message", "metadata", "status", "cancelled", NULL);

  /* The hash for reference counting calls, to ensure they can't be destroyed
   * more than once */
  hash_all_calls = rb_hash_new();
  rb_define_const(grpc_rb_cCall, "INTERNAL_ALL_CALLs", hash_all_calls);

  Init_grpc_error_codes();
  Init_grpc_op_codes();
  Init_grpc_write_flags();
}

/*
  Foo = NArray::Struct.new {
    int8     :byte
    float64  :float, [2,2]
    dcomplex :compl
  }
 */
static VALUE
nst_s_new(int argc, VALUE *argv, VALUE klass)
{
    VALUE name=Qnil, rest, size;
    VALUE st, members;
    ID id;

    rb_scan_args(argc, argv, "0*", &rest);
    if (RARRAY_LEN(rest)>0) {
        name = RARRAY_PTR(rest)[0];
        if (!NIL_P(name)) {
            VALUE tmp = rb_check_string_type(name);
            if (!NIL_P(tmp)) {
                rb_ary_shift(rest);
            } else {
                name = Qnil;
            }
        }
    }

    if (NIL_P(name)) {
        st = rb_class_new(klass);
        rb_make_metaclass(st, RBASIC(klass)->klass);
        rb_class_inherited(klass, st);
    }
    else {
        char *cname = StringValuePtr(name);
        id = rb_intern(cname);
        if (!rb_is_const_id(id)) {
            rb_name_error(id, "identifier %s needs to be constant", cname);
        }
        if (rb_const_defined_at(klass, id)) {
            rb_warn("redefining constant Struct::%s", cname);
            rb_mod_remove_const(klass, ID2SYM(id));
        }
        st = rb_define_class_under(klass, rb_id2name(id), klass);
    }

    rb_iv_set(st, "__members__", rb_ary_new());
    rb_iv_set(st, "__offset__", INT2FIX(0));

    if (rb_block_given_p()) {
        rb_mod_module_eval(0, 0, st);
    }

    size = rb_iv_get(st, "__offset__");
    members = rb_iv_get(st, "__members__");
    //printf("size=%d\n",NUM2INT(size));
    rb_define_const(st, CONTIGUOUS_STRIDE, size);
    rb_define_const(st, ELEMENT_BYTE_SIZE, size);
    rb_define_const(st, ELEMENT_BIT_SIZE,  rb_funcall(size,'*',1,INT2FIX(8)));

    OBJ_FREEZE(members);
    rb_define_const(st, "DEFINITIONS", members);

    rb_define_singleton_method(st, "new", rb_class_new_instance, -1);
    //rb_define_singleton_method(st, "[]", rb_class_new_instance, -1);
    rb_define_method(st, "allocate", nst_allocate, 0);

    return st;
}

void Init_rugged_diff_delta(void)
{
	rb_cRuggedDiffDelta = rb_define_class_under(rb_cRuggedDiff, "Delta", rb_cObject);
}

//.........这里部分代码省略.........
    /*
     * Init all digests, ciphers
     */
    /* CRYPTO_malloc_init(); */
    /* ENGINE_load_builtin_engines(); */
    OpenSSL_add_ssl_algorithms();
    OpenSSL_add_all_algorithms();
    ERR_load_crypto_strings();
    SSL_load_error_strings();

    /*
     * FIXME:
     * On unload do:
     */
#if 0
    CONF_modules_unload(1);
    destroy_ui_method();
    EVP_cleanup();
    ENGINE_cleanup();
    CRYPTO_cleanup_all_ex_data();
    ERR_remove_state(0);
    ERR_free_strings();
#endif

    /*
     * Init main module
     */
    mOSSL = rb_define_module("OpenSSL");

    /*
     * OpenSSL ruby extension version
     */
    rb_define_const(mOSSL, "VERSION", rb_str_new2(OSSL_VERSION));

    /*
     * Version of OpenSSL the ruby OpenSSL extension was built with
     */
    rb_define_const(mOSSL, "OPENSSL_VERSION", rb_str_new2(OPENSSL_VERSION_TEXT));

    /*
     * Version number of OpenSSL the ruby OpenSSL extension was built with
     * (base 16)
     */
    rb_define_const(mOSSL, "OPENSSL_VERSION_NUMBER", INT2NUM(OPENSSL_VERSION_NUMBER));

    /*
     * Boolean indicating whether OpenSSL is FIPS-enabled or not
     */
#ifdef HAVE_OPENSSL_FIPS
    rb_define_const(mOSSL, "OPENSSL_FIPS", Qtrue);
#else
    rb_define_const(mOSSL, "OPENSSL_FIPS", Qfalse);
#endif
    rb_define_module_function(mOSSL, "fips_mode=", ossl_fips_mode_set, 1);

    /*
     * Generic error,
     * common for all classes under OpenSSL module
     */
    eOSSLError = rb_define_class_under(mOSSL,"OpenSSLError",rb_eStandardError);

    /*
     * Verify callback Proc index for ext-data
     */
    if ((ossl_verify_cb_idx = X509_STORE_CTX_get_ex_new_index(0, (void *)"ossl_verify_cb_idx", 0, 0, 0)) < 0)
        ossl_raise(eOSSLError, "X509_STORE_CTX_get_ex_new_index");

    /*
     * Init debug core
     */
    dOSSL = Qfalse;
    rb_define_module_function(mOSSL, "debug", ossl_debug_get, 0);
    rb_define_module_function(mOSSL, "debug=", ossl_debug_set, 1);
    rb_define_module_function(mOSSL, "errors", ossl_get_errors, 0);

    /*
     * Get ID of to_der
     */
    ossl_s_to_der = rb_intern("to_der");

    /*
     * Init components
     */
    Init_ossl_bn();
    Init_ossl_cipher();
    Init_ossl_config();
    Init_ossl_digest();
    Init_ossl_hmac();
    Init_ossl_ns_spki();
    Init_ossl_pkcs12();
    Init_ossl_pkcs7();
    Init_ossl_pkcs5();
    Init_ossl_pkey();
    Init_ossl_rand();
    Init_ossl_ssl();
    Init_ossl_x509();
    Init_ossl_ocsp();
    Init_ossl_engine();
    Init_ossl_asn1();
}

void Init_oci8_lob(VALUE cOCI8)
{
    id_plus = rb_intern("+");
    id_dir_alias = rb_intern("@dir_alias");
    id_filename = rb_intern("@filename");
    seek_set = rb_eval_string("::IO::SEEK_SET");
    seek_cur = rb_eval_string("::IO::SEEK_CUR");
    seek_end = rb_eval_string("::IO::SEEK_END");

#if 0
    /* for yard */
    cOCIHandle = rb_define_class("OCIHandle", rb_cObject);
    cOCI8 = rb_define_class("OCI8", cOCIHandle);
    cOCI8LOB = rb_define_class_under(cOCI8, "LOB", cOCIHandle);
    cOCI8CLOB = rb_define_class_under(cOCI8, "CLOB", cOCI8LOB);
    cOCI8NCLOB = rb_define_class_under(cOCI8, "NCLOB", cOCI8LOB);
    cOCI8BLOB = rb_define_class_under(cOCI8, "BLOB", cOCI8LOB);
    cOCI8BFILE = rb_define_class_under(cOCI8, "BFILE", cOCI8LOB);
#endif

    cOCI8LOB = oci8_define_class_under(cOCI8, "LOB", &oci8_lob_data_type, oci8_lob_alloc);
    cOCI8CLOB = oci8_define_class_under(cOCI8, "CLOB", &oci8_clob_data_type, oci8_clob_alloc);
    cOCI8NCLOB = oci8_define_class_under(cOCI8, "NCLOB", &oci8_nclob_data_type, oci8_nclob_alloc);
    cOCI8BLOB = oci8_define_class_under(cOCI8, "BLOB", &oci8_blob_data_type, oci8_blob_alloc);
    cOCI8BFILE = oci8_define_class_under(cOCI8, "BFILE", &oci8_bfile_data_type, oci8_bfile_alloc);

    rb_define_method(cOCI8CLOB, "initialize", oci8_clob_initialize, -1);
    rb_define_method(cOCI8NCLOB, "initialize", oci8_nclob_initialize, -1);
    rb_define_method(cOCI8BLOB, "initialize", oci8_blob_initialize, -1);
    rb_define_method(cOCI8LOB, "available?", oci8_lob_available_p, 0);
    rb_define_method(cOCI8LOB, "size", oci8_lob_get_size, 0);
    rb_define_method(cOCI8LOB, "pos", oci8_lob_get_pos, 0);
    rb_define_alias(cOCI8LOB, "tell", "pos");
    rb_define_method(cOCI8LOB, "eof?", oci8_lob_eof_p, 0);
    rb_define_method(cOCI8LOB, "seek", oci8_lob_seek, -1);
    rb_define_method(cOCI8LOB, "rewind", oci8_lob_rewind, 0);
    rb_define_method(cOCI8LOB, "truncate", oci8_lob_truncate, 1);
    rb_define_method(cOCI8LOB, "size=", oci8_lob_set_size, 1);
    rb_define_method(cOCI8LOB, "read", oci8_lob_read, -1);
    rb_define_method(cOCI8LOB, "write", oci8_lob_write, 1);
    rb_define_method(cOCI8LOB, "close", oci8_lob_close, 0);
    rb_define_method(cOCI8LOB, "sync", oci8_lob_get_sync, 0);
    rb_define_method(cOCI8LOB, "sync=", oci8_lob_set_sync, 1);
    rb_define_method(cOCI8LOB, "flush", oci8_lob_flush, 0);
    rb_define_method(cOCI8LOB, "chunk_size", oci8_lob_get_chunk_size, 0);

    rb_define_method(cOCI8BFILE, "initialize", oci8_bfile_initialize, -1);
    rb_define_method(cOCI8BFILE, "dir_alias", oci8_bfile_get_dir_alias, 0);
    rb_define_method(cOCI8BFILE, "filename", oci8_bfile_get_filename, 0);
    rb_define_method(cOCI8BFILE, "dir_alias=", oci8_bfile_set_dir_alias, 1);
    rb_define_method(cOCI8BFILE, "filename=", oci8_bfile_set_filename, 1);
    rb_define_method(cOCI8BFILE, "exists?", oci8_bfile_exists_p, 0);
    rb_define_method(cOCI8BFILE, "truncate", oci8_bfile_error, 1);
    rb_define_method(cOCI8BFILE, "size=", oci8_bfile_error, 1);
    rb_define_method(cOCI8BFILE, "write", oci8_bfile_error, 1);

    oci8_define_bind_class("CLOB", &bind_clob_data_type.bind, bind_clob_alloc);
    oci8_define_bind_class("NCLOB", &bind_nclob_data_type.bind, bind_nclob_alloc);
    oci8_define_bind_class("BLOB", &bind_blob_data_type.bind, bind_blob_alloc);
    oci8_define_bind_class("BFILE", &bind_bfile_data_type.bind, bind_bfile_alloc);
}

void
Init_cairo_context (void)
{
  cr_id_surface = rb_intern ("surface");
  cr_id_source = rb_intern ("source");

  cr_id_plus = rb_intern ("+");
  cr_id_minus = rb_intern ("-");
  cr_id_multi = rb_intern ("*");
  cr_id_div = rb_intern ("/");

  rb_cCairo_Context =
    rb_define_class_under (rb_mCairo, "Context", rb_cObject);

  rb_define_alloc_func (rb_cCairo_Context, cr_allocate);

  rb_cairo__initialize_gc_guard_holder_class (rb_cCairo_Context);
  rb_set_end_proc(cr_destroy_all_guarded_contexts_at_end, Qnil);

  /* Functions for manipulating state objects */
  rb_define_method (rb_cCairo_Context, "initialize", cr_initialize, 1);
  rb_define_method (rb_cCairo_Context, "destroy", cr_destroy, 0);

  rb_define_method (rb_cCairo_Context, "save", cr_save, 0);
  rb_define_method (rb_cCairo_Context, "restore", cr_restore, 0);
  rb_define_method (rb_cCairo_Context, "push_group", cr_push_group, -1);
  rb_define_method (rb_cCairo_Context, "pop_group", cr_pop_group_generic, -1);
  rb_define_method (rb_cCairo_Context, "pop_group_to_source",
                    cr_pop_group_to_source, 0);

  /* Modify state */
  rb_define_method (rb_cCairo_Context, "set_operator", cr_set_operator, 1);
  rb_define_method (rb_cCairo_Context, "set_source", cr_set_source_generic, -1);
  rb_define_method (rb_cCairo_Context, "set_source_rgb",
                    cr_set_source_rgb, -1);
  rb_define_method (rb_cCairo_Context, "set_source_rgba",
                    cr_set_source_rgba, -1);
  rb_define_method (rb_cCairo_Context, "set_tolerance", cr_set_tolerance, 1);
  rb_define_method (rb_cCairo_Context, "set_antialias", cr_set_antialias, 1);
  rb_define_method (rb_cCairo_Context, "set_fill_rule", cr_set_fill_rule, 1);
  rb_define_method (rb_cCairo_Context, "set_line_width", cr_set_line_width, 1);
  rb_define_method (rb_cCairo_Context, "set_line_cap", cr_set_line_cap, 1);
  rb_define_method (rb_cCairo_Context, "set_line_join", cr_set_line_join, 1);
  rb_define_method (rb_cCairo_Context, "set_dash", cr_set_dash, -1);
  rb_define_method (rb_cCairo_Context, "set_miter_limit",
                    cr_set_miter_limit, 1);

  rb_define_method (rb_cCairo_Context, "translate", cr_translate, 2);
  rb_define_method (rb_cCairo_Context, "scale", cr_scale, 2);
  rb_define_method (rb_cCairo_Context, "rotate", cr_rotate, 1);
  rb_define_method (rb_cCairo_Context, "transform", cr_transform, 1);

  rb_define_method (rb_cCairo_Context, "set_matrix", cr_set_matrix, 1);
  rb_define_method (rb_cCairo_Context, "identity_matrix",
                    cr_identity_matrix, 0);
  rb_define_method (rb_cCairo_Context, "user_to_device", cr_user_to_device, 2);
  rb_define_method (rb_cCairo_Context, "user_to_device_distance",
                    cr_user_to_device_distance, 2);
  rb_define_method (rb_cCairo_Context, "device_to_user", cr_device_to_user, 2);
  rb_define_method (rb_cCairo_Context, "device_to_user_distance",
                    cr_device_to_user_distance, 2);

  /* Path creation functions */
  rb_define_method (rb_cCairo_Context, "new_path", cr_new_path, 0);
  rb_define_method (rb_cCairo_Context, "move_to", cr_move_to, 2);
  rb_define_method (rb_cCairo_Context, "new_sub_path", cr_new_sub_path, 0);
  rb_define_method (rb_cCairo_Context, "line_to", cr_line_to, 2);
  rb_define_method (rb_cCairo_Context, "curve_to", cr_curve_to_generic, -1);
  rb_define_method (rb_cCairo_Context, "arc", cr_arc, 5);
  rb_define_method (rb_cCairo_Context, "arc_negative", cr_arc_negative, 5);
  rb_define_method (rb_cCairo_Context, "rel_move_to", cr_rel_move_to, 2);
  rb_define_method (rb_cCairo_Context, "rel_line_to", cr_rel_line_to, 2);
  rb_define_method (rb_cCairo_Context, "rel_curve_to",
                    cr_rel_curve_to_generic, -1);
  rb_define_method (rb_cCairo_Context, "rectangle", cr_rectangle, 4);
  rb_define_method (rb_cCairo_Context, "close_path", cr_close_path, 0);
#if CAIRO_CHECK_VERSION(1, 5, 8)
  rb_define_method (rb_cCairo_Context, "path_extents", cr_path_extents, 0);
#endif

  /* Painting functions */
  rb_define_method (rb_cCairo_Context, "paint", cr_paint_generic, -1);
  rb_define_method (rb_cCairo_Context, "mask", cr_mask_generic, -1);
  rb_define_method (rb_cCairo_Context, "stroke", cr_stroke, -1);
  rb_define_method (rb_cCairo_Context, "fill", cr_fill, -1);
  rb_define_method (rb_cCairo_Context, "copy_page", cr_copy_page, 0);
  rb_define_method (rb_cCairo_Context, "show_page", cr_show_page, 0);

  /* Insideness testing */
  rb_define_method (rb_cCairo_Context, "in_stroke?", cr_in_stroke, 2);
  rb_define_method (rb_cCairo_Context, "in_fill?", cr_in_fill, 2);
#if CAIRO_CHECK_VERSION(1, 10, 0)
  rb_define_method (rb_cCairo_Context, "in_clip?", cr_in_clip, 2);
#endif

  /* Rectangular extents */
  rb_define_method (rb_cCairo_Context, "stroke_extents", cr_stroke_extents, 0);
  rb_define_method (rb_cCairo_Context, "fill_extents", cr_fill_extents, 0);

  /* Clipping */
//.........这里部分代码省略.........

void
Init_dl(void)
{
    void Init_dlhandle(void);
    void Init_dlcfunc(void);
    void Init_dlptr(void);

    rbdl_id_cdecl = rb_intern_const("cdecl");
    rbdl_id_stdcall = rb_intern_const("stdcall");

    /* Document-module: DL
     *
     * A bridge to the dlopen() or dynamic library linker function.
     *
     * == Example
     *
     *   bash $> cat > sum.c <<EOF
     *   double sum(double *arry, int len)
     *   {
     *           double ret = 0;
     *           int i;
     *           for(i = 0; i < len; i++){
     *                   ret = ret + arry[i];
     *           }
     *           return ret;
     *   }
     *
     *   double split(double num)
     *   {
     *           double ret = 0;
     *           ret = num / 2;
     *           return ret;
     *   }
     *   EOF
     *   bash $> gcc -o libsum.so -shared sum.c
     *   bash $> cat > sum.rb <<EOF
     *   require 'dl'
     *   require 'dl/import'
     *
     *   module LibSum
     *           extend DL::Importer
     *           dlload './libsum.so'
     *           extern 'double sum(double*, int)'
     *           extern 'double split(double)'
     *   end
     *
     *   a = [2.0, 3.0, 4.0]
     *
     *   sum = LibSum.sum(a.pack("d*"), a.count)
     *   p LibSum.split(sum)
     *   EOF
     *   bash $> ruby sum.rb
     *   4.5
     *
     * WIN! :-)
     */
    rb_mDL = rb_define_module("DL");

    /*
     * Document-class: DL::DLError
     *
     * standard dynamic load exception
     */
    rb_eDLError = rb_define_class_under(rb_mDL, "DLError", rb_eStandardError);

    /*
     * Document-class: DL::DLTypeError
     *
     * dynamic load incorrect type exception
     */
    rb_eDLTypeError = rb_define_class_under(rb_mDL, "DLTypeError", rb_eDLError);

    /* Document-const: MAX_CALLBACK
     *
     * Maximum number of callbacks
     */
    rb_define_const(rb_mDL, "MAX_CALLBACK", INT2NUM(MAX_CALLBACK));

    /* Document-const: DLSTACK_SIZE
     *
     * Dynamic linker stack size
     */
    rb_define_const(rb_mDL, "DLSTACK_SIZE", INT2NUM(DLSTACK_SIZE));

    rb_dl_init_callbacks(rb_mDL);

    /* Document-const: RTLD_GLOBAL
     *
     * rtld DL::Handle flag.
     *
     * The symbols defined by this library will be made available for symbol
     * resolution of subsequently loaded libraries.
     */
    rb_define_const(rb_mDL, "RTLD_GLOBAL", INT2NUM(RTLD_GLOBAL));

    /* Document-const: RTLD_LAZY
     *
     * rtld DL::Handle flag.
     *
     * Perform lazy binding.  Only resolve symbols as the code that references
//.........这里部分代码省略.........

void
Init_rsvg2(void)
{
    VALUE mRSVG = rb_define_module("RSVG");

#if LIBRSVG_CHECK_VERSION(2, 9, 0)
    rsvg_init();
    atexit(rsvg_term);
#endif

#ifdef RSVG_TYPE_HANDLE
    cHandle = G_DEF_CLASS(RSVG_TYPE_HANDLE, "Handle", mRSVG);
#else
    cHandle = rb_define_class_under(mRSVG, "Handle", rb_cObject);
    rb_define_alloc_func(cHandle, rb_rsvg_handle_alloc);
#endif

    G_DEF_ERROR(RSVG_ERROR, "Error", mRSVG, rb_eRuntimeError, RSVG_TYPE_ERROR);

    id_call = rb_intern("call");
    id_callback = rb_intern("callback");
    id_closed = rb_intern("closed");
    id_to_s = rb_intern("to_s");

    rb_define_const(mRSVG, "BINDING_VERSION",
                    rb_ary_new3(3,
                                INT2FIX(RBRSVG_MAJOR_VERSION),
                                INT2FIX(RBRSVG_MINOR_VERSION),
                                INT2FIX(RBRSVG_MICRO_VERSION)));

    rb_define_const(mRSVG, "BUILD_VERSION",
                    rb_ary_new3(3,
                                INT2FIX(LIBRSVG_MAJOR_VERSION),
                                INT2FIX(LIBRSVG_MINOR_VERSION),
                                INT2FIX(LIBRSVG_MICRO_VERSION)));


    rb_define_module_function(mRSVG, "set_default_dpi",
                              rb_rsvg_set_default_dpi, 1);
    rb_define_module_function(mRSVG, "set_default_dpi_x_y",
                              rb_rsvg_set_default_dpi_x_y, 2);

#ifdef HAVE_TYPE_RSVGDIMENSIONDATA
    cDim = rb_define_class_under(mRSVG, "DimensionData", rb_cObject);

    rb_define_alloc_func(cDim, rb_rsvg_dim_alloc);
    rb_define_method(cDim, "initialize", rb_rsvg_dim_initialize, -1);

    rb_define_method(cDim, "width", rb_rsvg_dim_get_width, 0);
    rb_define_method(cDim, "set_width", rb_rsvg_dim_set_width, 1);
    rb_define_method(cDim, "height", rb_rsvg_dim_get_height, 0);
    rb_define_method(cDim, "set_height", rb_rsvg_dim_set_height, 1);
    rb_define_method(cDim, "em", rb_rsvg_dim_get_em, 0);
    rb_define_method(cDim, "set_em", rb_rsvg_dim_set_em, 1);
    rb_define_method(cDim, "ex", rb_rsvg_dim_get_ex, 0);
    rb_define_method(cDim, "set_ex", rb_rsvg_dim_set_ex, 1);

    rb_define_method(cDim, "to_s", rb_rsvg_dim_to_s, 0);
    rb_define_method(cDim, "to_a", rb_rsvg_dim_to_a, 0);
    rb_define_alias(cDim, "to_ary", "to_a");

    G_DEF_SETTERS(cDim);
#endif


#if LIBRSVG_CHECK_VERSION(2, 14, 0)
    rb_define_module_function(cHandle, "new_from_data",
                              rb_rsvg_handle_new_from_data, 1);
    rb_define_module_function(cHandle, "new_from_file",
                              rb_rsvg_handle_new_from_file, 1);
#endif

    rb_define_method(cHandle, "initialize", rb_rsvg_handle_initialize, -1);
    rb_define_method(cHandle, "set_size_callback",
                     rb_rsvg_handle_set_size_callback, 0);
    rb_define_method(cHandle, "set_dpi", rb_rsvg_handle_set_dpi, 1);
    rb_define_method(cHandle, "set_dpi_x_y", rb_rsvg_handle_set_dpi_x_y, 2);
    rb_define_method(cHandle, "write", rb_rsvg_handle_write, 1);
    rb_define_method(cHandle, "close", rb_rsvg_handle_close, 0);
    rb_define_method(cHandle, "closed?", rb_rsvg_handle_closed, 0);
    rb_define_method(cHandle, "pixbuf", rb_rsvg_handle_get_pixbuf, -1);

#if LIBRSVG_CHECK_VERSION(2, 9, 0)
    rb_define_method(cHandle, "base_uri", rb_rsvg_handle_get_base_uri, 0);
    rb_define_method(cHandle, "set_base_uri", rb_rsvg_handle_set_base_uri, 1);
#endif

    /* Convenience API */
    rb_define_module_function(mRSVG, "pixbuf_from_file",
                              rb_rsvg_pixbuf_from_file, 1);
    rb_define_module_function(mRSVG, "pixbuf_from_file_at_zoom",
                              rb_rsvg_pixbuf_from_file_at_zoom, 3);
    rb_define_module_function(mRSVG, "pixbuf_from_file_at_size",
                              rb_rsvg_pixbuf_from_file_at_size, 3);
    rb_define_module_function(mRSVG, "pixbuf_from_file_at_max_size",
                              rb_rsvg_pixbuf_from_file_at_max_size, 3);
    rb_define_module_function(mRSVG, "pixbuf_from_file_at_zoom_with_max",
                              rb_rsvg_pixbuf_from_file_at_zoom_with_max, 5);

#ifdef HAVE_TYPE_RSVGDIMENSIONDATA
//.........这里部分代码省略.........

void Init_gsl_odeiv(VALUE module)
{
  VALUE mgsl_odeiv;
  mgsl_odeiv = rb_define_module_under(module, "Odeiv");
  rb_define_const(mgsl_odeiv, "HADJ_DEC", INT2FIX(GSL_ODEIV_HADJ_DEC));
  rb_define_const(mgsl_odeiv, "HADJ_INC", INT2FIX(GSL_ODEIV_HADJ_INC));
  rb_define_const(mgsl_odeiv, "HADJ_NIL", INT2FIX(GSL_ODEIV_HADJ_NIL));
  cgsl_odeiv_step = rb_define_class_under(mgsl_odeiv, "Step",
                                          cGSL_Object);
  rb_define_singleton_method(cgsl_odeiv_step, "alloc", rb_gsl_odeiv_step_new, -1);

  /*****/
  rb_define_const(cgsl_odeiv_step, "RK2", INT2FIX(GSL_ODEIV_STEP_RK2));
  rb_define_const(cgsl_odeiv_step, "RK4", INT2FIX(GSL_ODEIV_STEP_RK4));
  rb_define_const(cgsl_odeiv_step, "RKF45", INT2FIX(GSL_ODEIV_STEP_RKF45));
  rb_define_const(cgsl_odeiv_step, "RKCK", INT2FIX(GSL_ODEIV_STEP_RKCK));
  rb_define_const(cgsl_odeiv_step, "RK8PD", INT2FIX(GSL_ODEIV_STEP_RK8PD));
  rb_define_const(cgsl_odeiv_step, "RK2IMP", INT2FIX(GSL_ODEIV_STEP_RK2IMP));
  rb_define_const(cgsl_odeiv_step, "RK4IMP", INT2FIX(GSL_ODEIV_STEP_RK4IMP));
  rb_define_const(cgsl_odeiv_step, "BSIMP", INT2FIX(GSL_ODEIV_STEP_BSIMP));
  rb_define_const(cgsl_odeiv_step, "GEAR1", INT2FIX(GSL_ODEIV_STEP_GEAR1));
  rb_define_const(cgsl_odeiv_step, "GEAR2", INT2FIX(GSL_ODEIV_STEP_GEAR2));
  rb_define_const(cgsl_odeiv_step, "RK2SIMP", INT2FIX(GSL_ODEIV_STEP_RK2SIMP));
  /*****/

  rb_define_method(cgsl_odeiv_step, "reset", rb_gsl_odeiv_step_reset, 0);
  rb_define_method(cgsl_odeiv_step, "name", rb_gsl_odeiv_step_name, 0);
  rb_define_method(cgsl_odeiv_step, "order", rb_gsl_odeiv_step_order, 0);
  rb_define_method(cgsl_odeiv_step, "dimension", rb_gsl_odeiv_step_dimension, 0);
  rb_define_alias(cgsl_odeiv_step, "dim", "dimension");
  rb_define_method(cgsl_odeiv_step, "apply", rb_gsl_odeiv_step_apply, -1);
  rb_define_method(cgsl_odeiv_step, "info", rb_gsl_odeiv_step_info, 0);

  /****/

  cgsl_odeiv_control = rb_define_class_under(mgsl_odeiv, "Control",
                                             cGSL_Object);
  rb_define_singleton_method(cgsl_odeiv_control, "alloc", rb_gsl_odeiv_control_standard_new, 4);
  rb_define_singleton_method(cgsl_odeiv_control, "standard_alloc", rb_gsl_odeiv_control_standard_new, 4);
  rb_define_singleton_method(cgsl_odeiv_control, "y_new", rb_gsl_odeiv_control_y_new, 2);
  rb_define_singleton_method(cgsl_odeiv_control, "yp_new", rb_gsl_odeiv_control_yp_new, 2);
  rb_define_singleton_method(cgsl_odeiv_control, "scaled_alloc", rb_gsl_odeiv_control_scaled_new, 5);

  rb_define_method(cgsl_odeiv_control, "init", rb_gsl_odeiv_control_init, 4);
  rb_define_method(cgsl_odeiv_control, "name", rb_gsl_odeiv_control_name, 0);
  rb_define_method(cgsl_odeiv_control, "hadjust", rb_gsl_odeiv_control_hadjust, 5);

  /****/
  cgsl_odeiv_evolve = rb_define_class_under(mgsl_odeiv, "Evolve",
                                            cGSL_Object);
  rb_define_singleton_method(cgsl_odeiv_evolve, "alloc", rb_gsl_odeiv_evolve_new, 1);

  rb_define_method(cgsl_odeiv_evolve, "reset", rb_gsl_odeiv_evolve_reset, 0);
  rb_define_method(cgsl_odeiv_evolve, "apply", rb_gsl_odeiv_evolve_apply, 7);
  rb_define_method(cgsl_odeiv_evolve, "count", rb_gsl_odeiv_evolve_count, 0);
  rb_define_method(cgsl_odeiv_evolve, "dimension", rb_gsl_odeiv_evolve_dimension, 0);
  rb_define_method(cgsl_odeiv_evolve, "failed_steps", rb_gsl_odeiv_evolve_failed_steps, 0);
  rb_define_method(cgsl_odeiv_evolve, "last_step", rb_gsl_odeiv_evolve_last_step, 0);
  rb_define_method(cgsl_odeiv_evolve, "y0", rb_gsl_odeiv_evolve_y0, 0);
  rb_define_method(cgsl_odeiv_evolve, "yerr", rb_gsl_odeiv_evolve_yerr, 0);
  /*****/

  cgsl_odeiv_system = rb_define_class_under(mgsl_odeiv, "System",
                                            cGSL_Object);
  rb_define_singleton_method(cgsl_odeiv_system, "alloc", rb_gsl_odeiv_system_new, -1);
  rb_define_method(cgsl_odeiv_system, "set", rb_gsl_odeiv_system_set, -1);
  rb_define_method(cgsl_odeiv_system, "set_params",
                   rb_gsl_odeiv_system_set_params, -1);
  rb_define_method(cgsl_odeiv_system, "params",
                   rb_gsl_odeiv_system_params, 0);
  rb_define_method(cgsl_odeiv_system, "function",
                   rb_gsl_odeiv_system_function, 0);
  rb_define_alias(cgsl_odeiv_system, "func", "function");
  rb_define_method(cgsl_odeiv_system, "jacobian",
                   rb_gsl_odeiv_system_jacobian, 0);
  rb_define_alias(cgsl_odeiv_system, "jac", "jacobian");
  rb_define_method(cgsl_odeiv_system, "dimension", rb_gsl_odeiv_system_dimension, 0);
  rb_define_alias(cgsl_odeiv_system, "dim", "dimension");

  /*****/
  cgsl_odeiv_solver = rb_define_class_under(mgsl_odeiv, "Solver", cGSL_Object);
  rb_define_singleton_method(cgsl_odeiv_solver, "alloc", rb_gsl_odeiv_solver_new, -1);
  rb_define_method(cgsl_odeiv_solver, "step", rb_gsl_odeiv_solver_step, 0);
  rb_define_method(cgsl_odeiv_solver, "control", rb_gsl_odeiv_solver_control, 0);
  rb_define_method(cgsl_odeiv_solver, "evolve", rb_gsl_odeiv_solver_evolve, 0);
  rb_define_method(cgsl_odeiv_solver, "sys", rb_gsl_odeiv_solver_sys, 0);
  rb_define_method(cgsl_odeiv_solver, "apply", rb_gsl_odeiv_solver_apply, 4);

  rb_define_method(cgsl_odeiv_solver, "set_evolve", rb_gsl_odeiv_solver_set_evolve, 1);
  rb_define_method(cgsl_odeiv_solver, "set_step", rb_gsl_odeiv_solver_set_step, 1);
  rb_define_method(cgsl_odeiv_solver, "set_control", rb_gsl_odeiv_solver_set_control, 1);
  rb_define_method(cgsl_odeiv_solver, "set_system", rb_gsl_odeiv_solver_set_sys, 1);
  rb_define_method(cgsl_odeiv_solver, "reset", rb_gsl_odeiv_solver_reset, 0);
  rb_define_method(cgsl_odeiv_solver, "dim", rb_gsl_odeiv_solver_dim, 0);
  rb_define_alias(cgsl_odeiv_solver, "dimension", "dim");
  rb_define_method(cgsl_odeiv_solver, "set_params", rb_gsl_odeiv_solver_set_params, -1);
  rb_define_method(cgsl_odeiv_solver, "params", rb_gsl_odeiv_solver_params, 0);
}

void Init_generator()
{
    rb_require("json/common");

    mJSON = rb_define_module("JSON");
    mExt = rb_define_module_under(mJSON, "Ext");
    mGenerator = rb_define_module_under(mExt, "Generator");

    eGeneratorError = rb_path2class("JSON::GeneratorError");
    eNestingError = rb_path2class("JSON::NestingError");

    cState = rb_define_class_under(mGenerator, "State", rb_cObject);
    rb_define_alloc_func(cState, cState_s_allocate);
    rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1);
    rb_define_method(cState, "initialize", cState_initialize, -1);
    rb_define_method(cState, "initialize_copy", cState_init_copy, 1);
    rb_define_method(cState, "indent", cState_indent, 0);
    rb_define_method(cState, "indent=", cState_indent_set, 1);
    rb_define_method(cState, "space", cState_space, 0);
    rb_define_method(cState, "space=", cState_space_set, 1);
    rb_define_method(cState, "space_before", cState_space_before, 0);
    rb_define_method(cState, "space_before=", cState_space_before_set, 1);
    rb_define_method(cState, "object_nl", cState_object_nl, 0);
    rb_define_method(cState, "object_nl=", cState_object_nl_set, 1);
    rb_define_method(cState, "array_nl", cState_array_nl, 0);
    rb_define_method(cState, "array_nl=", cState_array_nl_set, 1);
    rb_define_method(cState, "max_nesting", cState_max_nesting, 0);
    rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1);
    rb_define_method(cState, "check_circular?", cState_check_circular_p, 0);
    rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0);
    rb_define_method(cState, "ascii_only?", cState_ascii_only_p, 0);
    rb_define_method(cState, "quirks_mode?", cState_quirks_mode_p, 0);
    rb_define_method(cState, "quirks_mode", cState_quirks_mode_p, 0);
    rb_define_method(cState, "quirks_mode=", cState_quirks_mode_set, 1);
    rb_define_method(cState, "depth", cState_depth, 0);
    rb_define_method(cState, "depth=", cState_depth_set, 1);
    rb_define_method(cState, "buffer_initial_length", cState_buffer_initial_length, 0);
    rb_define_method(cState, "buffer_initial_length=", cState_buffer_initial_length_set, 1);
    rb_define_method(cState, "configure", cState_configure, 1);
    rb_define_alias(cState, "merge", "configure");
    rb_define_method(cState, "to_h", cState_to_h, 0);
    rb_define_method(cState, "[]", cState_aref, 1);
    rb_define_method(cState, "generate", cState_generate, 1);

    mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods");
    mObject = rb_define_module_under(mGeneratorMethods, "Object");
    rb_define_method(mObject, "to_json", mObject_to_json, -1);
    mHash = rb_define_module_under(mGeneratorMethods, "Hash");
    rb_define_method(mHash, "to_json", mHash_to_json, -1);
    mArray = rb_define_module_under(mGeneratorMethods, "Array");
    rb_define_method(mArray, "to_json", mArray_to_json, -1);
    mFixnum = rb_define_module_under(mGeneratorMethods, "Fixnum");
    rb_define_method(mFixnum, "to_json", mFixnum_to_json, -1);
    mBignum = rb_define_module_under(mGeneratorMethods, "Bignum");
    rb_define_method(mBignum, "to_json", mBignum_to_json, -1);
    mFloat = rb_define_module_under(mGeneratorMethods, "Float");
    rb_define_method(mFloat, "to_json", mFloat_to_json, -1);
    mString = rb_define_module_under(mGeneratorMethods, "String");
    rb_define_singleton_method(mString, "included", mString_included_s, 1);
    rb_define_method(mString, "to_json", mString_to_json, -1);
    rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1);
    rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0);
    mString_Extend = rb_define_module_under(mString, "Extend");
    rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1);
    mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass");
    rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1);
    mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass");
    rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1);
    mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass");
    rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1);

    CRegexp_MULTILINE = rb_const_get(rb_cRegexp, rb_intern("MULTILINE"));
    i_to_s = rb_intern("to_s");
    i_to_json = rb_intern("to_json");
    i_new = rb_intern("new");
    i_indent = rb_intern("indent");
    i_space = rb_intern("space");
    i_space_before = rb_intern("space_before");
    i_object_nl = rb_intern("object_nl");
    i_array_nl = rb_intern("array_nl");
    i_max_nesting = rb_intern("max_nesting");
    i_allow_nan = rb_intern("allow_nan");
    i_ascii_only = rb_intern("ascii_only");
    i_quirks_mode = rb_intern("quirks_mode");
    i_depth = rb_intern("depth");
    i_buffer_initial_length = rb_intern("buffer_initial_length");
    i_pack = rb_intern("pack");
    i_unpack = rb_intern("unpack");
    i_create_id = rb_intern("create_id");
    i_extend = rb_intern("extend");
    i_key_p = rb_intern("key?");
    i_aref = rb_intern("[]");
    i_send = rb_intern("__send__");
    i_respond_to_p = rb_intern("respond_to?");
    i_match = rb_intern("match");
    i_keys = rb_intern("keys");
    i_dup = rb_intern("dup");
#ifdef HAVE_RUBY_ENCODING_H
    CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8"));
    i_encoding = rb_intern("encoding");
//.........这里部分代码省略.........

void Init_generator()
{
    rb_require("json/common");
    mJSON = rb_define_module("JSON");
    mExt = rb_define_module_under(mJSON, "Ext");
    mGenerator = rb_define_module_under(mExt, "Generator");
    eGeneratorError = rb_path2class("JSON::GeneratorError");
    eCircularDatastructure = rb_path2class("JSON::CircularDatastructure");
    eNestingError = rb_path2class("JSON::NestingError");
    cState = rb_define_class_under(mGenerator, "State", rb_cObject);
    rb_define_alloc_func(cState, cState_s_allocate);
    rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1);
    rb_define_method(cState, "initialize", cState_initialize, -1);

    rb_define_method(cState, "indent", cState_indent, 0);
    rb_define_method(cState, "indent=", cState_indent_set, 1);
    rb_define_method(cState, "space", cState_space, 0);
    rb_define_method(cState, "space=", cState_space_set, 1);
    rb_define_method(cState, "space_before", cState_space_before, 0);
    rb_define_method(cState, "space_before=", cState_space_before_set, 1);
    rb_define_method(cState, "object_nl", cState_object_nl, 0);
    rb_define_method(cState, "object_nl=", cState_object_nl_set, 1);
    rb_define_method(cState, "array_nl", cState_array_nl, 0);
    rb_define_method(cState, "array_nl=", cState_array_nl_set, 1);
    rb_define_method(cState, "check_circular?", cState_check_circular_p, 0);
    rb_define_method(cState, "max_nesting", cState_max_nesting, 0);
    rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1);
    rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0);
    rb_define_method(cState, "seen?", cState_seen_p, 1);
    rb_define_method(cState, "remember", cState_remember, 1);
    rb_define_method(cState, "forget", cState_forget, 1);
    rb_define_method(cState, "configure", cState_configure, 1);
    rb_define_method(cState, "to_h", cState_to_h, 0);

    mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods");
    mObject = rb_define_module_under(mGeneratorMethods, "Object");
    rb_define_method(mObject, "to_json", mObject_to_json, -1);
    mHash = rb_define_module_under(mGeneratorMethods, "Hash");
    rb_define_method(mHash, "to_json", mHash_to_json, -1);
    mArray = rb_define_module_under(mGeneratorMethods, "Array");
    rb_define_method(mArray, "to_json", mArray_to_json, -1);
    mInteger = rb_define_module_under(mGeneratorMethods, "Integer");
    rb_define_method(mInteger, "to_json", mInteger_to_json, -1);
    mFloat = rb_define_module_under(mGeneratorMethods, "Float");
    rb_define_method(mFloat, "to_json", mFloat_to_json, -1);
    mString = rb_define_module_under(mGeneratorMethods, "String");
    rb_define_singleton_method(mString, "included", mString_included_s, 1);
    rb_define_method(mString, "to_json", mString_to_json, -1);
    rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1);
    rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0);
    mString_Extend = rb_define_module_under(mString, "Extend");
    rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1);
    mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass");
    rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1);
    mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass");
    rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1);
    mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass");
    rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1);

    i_to_s = rb_intern("to_s");
    i_to_json = rb_intern("to_json");
    i_new = rb_intern("new");
    i_indent = rb_intern("indent");
    i_space = rb_intern("space");
    i_space_before = rb_intern("space_before");
    i_object_nl = rb_intern("object_nl");
    i_array_nl = rb_intern("array_nl");
    i_check_circular = rb_intern("check_circular");
    i_max_nesting = rb_intern("max_nesting");
    i_allow_nan = rb_intern("allow_nan");
    i_pack = rb_intern("pack");
    i_unpack = rb_intern("unpack");
    i_create_id = rb_intern("create_id");
    i_extend = rb_intern("extend");
}

void Init_hamming_window() {
  VALUE m_noyes_c = rb_define_module("NoyesC");
  cHammingWindow = rb_define_class_under(m_noyes_c, "HammingWindow", rb_cObject);
  rb_define_method(cHammingWindow, "initialize", t_init, -2);
  rb_define_method(cHammingWindow, "<<", t_left_shift, 1);
}

/*
 * = Ruby bindings for kerberos
 *
 * The module Krb5Auth provides bindings to kerberos version 5 libraries
 */
void Init_krb5_auth()
{
  mKerberos = rb_define_module("Krb5Auth");

  cKrb5 = rb_define_class_under(mKerberos,"Krb5", rb_cObject);

  cKrb5_Exception = rb_define_class_under(cKrb5, "Exception", rb_eStandardError);

  cCred = rb_define_class_under(cKrb5, "Cred", rb_cObject);
  rb_define_attr(cCred, "client", 1, 0);
  rb_define_attr(cCred, "server", 1, 0);
  rb_define_attr(cCred, "starttime", 1, 0);
  rb_define_attr(cCred, "authtime", 1, 0);
  rb_define_attr(cCred, "endtime", 1, 0);
  rb_define_attr(cCred, "ticket_flags", 1, 0);
  rb_define_attr(cCred, "cred_enctype", 1, 0);
  rb_define_attr(cCred, "ticket_enctype", 1, 0);

#define DEF_FLAG_CONST(name) \
  rb_define_const(cCred, #name, INT2NUM(name))

  DEF_FLAG_CONST(TKT_FLG_FORWARDABLE);
  DEF_FLAG_CONST(TKT_FLG_FORWARDED);
  DEF_FLAG_CONST(TKT_FLG_PROXIABLE);
  DEF_FLAG_CONST(TKT_FLG_PROXY);
  DEF_FLAG_CONST(TKT_FLG_MAY_POSTDATE);
  DEF_FLAG_CONST(TKT_FLG_POSTDATED);
  DEF_FLAG_CONST(TKT_FLG_INVALID);
  DEF_FLAG_CONST(TKT_FLG_RENEWABLE);
  DEF_FLAG_CONST(TKT_FLG_INITIAL);
  DEF_FLAG_CONST(TKT_FLG_HW_AUTH);
  DEF_FLAG_CONST(TKT_FLG_PRE_AUTH);
  DEF_FLAG_CONST(TKT_FLG_TRANSIT_POLICY_CHECKED);
  DEF_FLAG_CONST(TKT_FLG_OK_AS_DELEGATE);
  DEF_FLAG_CONST(TKT_FLG_ANONYMOUS);

#undef DEF_FLAG_CONST

#define DEF_ENC_CONST(name) \
  rb_define_const(cCred, #name, INT2NUM(name))

  DEF_ENC_CONST(ENCTYPE_NULL);
  DEF_ENC_CONST(ENCTYPE_DES_CBC_CRC);
  DEF_ENC_CONST(ENCTYPE_DES_CBC_MD4);
  DEF_ENC_CONST(ENCTYPE_DES_CBC_MD5);
  DEF_ENC_CONST(ENCTYPE_DES_CBC_RAW);
  DEF_ENC_CONST(ENCTYPE_DES3_CBC_SHA);
  DEF_ENC_CONST(ENCTYPE_DES3_CBC_RAW);
  DEF_ENC_CONST(ENCTYPE_DES_HMAC_SHA1);
  DEF_ENC_CONST(ENCTYPE_DES3_CBC_SHA1);
  DEF_ENC_CONST(ENCTYPE_AES128_CTS_HMAC_SHA1_96);
  DEF_ENC_CONST(ENCTYPE_AES256_CTS_HMAC_SHA1_96);
  DEF_ENC_CONST(ENCTYPE_ARCFOUR_HMAC);
  DEF_ENC_CONST(ENCTYPE_ARCFOUR_HMAC_EXP);
  DEF_ENC_CONST(ENCTYPE_UNKNOWN);
#undef DEF_ENC_CONST

  rb_define_singleton_method(cKrb5, "new", Krb5_new, 0);
  rb_define_method(cKrb5, "get_init_creds_password", Krb5_get_init_creds_password, 2);
  rb_define_method(cKrb5, "get_init_creds_keytab", Krb5_get_init_creds_keytab, -1);
  rb_define_method(cKrb5, "get_default_realm", Krb5_get_default_realm, 0);
  rb_define_method(cKrb5, "get_default_principal", Krb5_get_default_principal, 0);
  rb_define_method(cKrb5, "change_password", Krb5_change_password, 2);
  rb_define_method(cKrb5, "set_password", Krb5_set_p