text: /* equates.h for Chez Scheme Version 9.5.3 */
  
  /* Do not edit this file.  It is automatically generated and */
  /* specifically tailored to the version of Chez Scheme named */
  /* above.  Always be certain that you have the correct version */
  /* of this file for the version of Chez Scheme you are using. */
  
  /* Warning: Some macros may evaluate arguments more than once. */
  
  /* Integer typedefs */
  typedef char I8;
  typedef unsigned char U8;
  typedef short I16;
  typedef unsigned short U16;
  typedef int I32;
  typedef unsigned int U32;
  typedef long long I64;
  typedef unsigned long long U64;
  
  /* constants from cmacros.ss */
  #define $c_func_closure_index 0x4
  #define $c_func_closure_record_index 0x3
  #define $c_func_code_object_index 0x2
  #define $c_func_code_record_index 0x1
  #define COMPRESS_FORMAT_BITS 0x3
  #define COMPRESS_GZIP 0x0
  #define COMPRESS_HIGH 0x3
  #define COMPRESS_LOW 0x1
  #define COMPRESS_LZ4 0x1
  #define COMPRESS_MAX 0x4
  #define COMPRESS_MEDIUM 0x2
  #define COMPRESS_MIN 0x0
  #define ERROR_CALL_ARGUMENT_COUNT 0x4
  #define ERROR_CALL_NONPROCEDURE 0x3
  #define ERROR_CALL_NONPROCEDURE_SYMBOL 0x2
  #define ERROR_CALL_UNBOUND 0x1
  #define ERROR_MVLET 0x8
  #define ERROR_NONCONTINUABLE_INTERRUPT 0x6
  #define ERROR_OTHER 0x0
  #define ERROR_RESET 0x5
  #define ERROR_VALUES 0x7
  #define OPEN_ERROR_EXISTS 0x2
  #define OPEN_ERROR_EXISTSNOT 0x3
  #define OPEN_ERROR_OTHER 0x0
  #define OPEN_ERROR_PROTECTION 0x1
  #define PORT_FLAG_BINARY 0x400
  #define PORT_FLAG_BLOCK_BUFFERED 0x20000
  #define PORT_FLAG_BOL 0x8000
  #define PORT_FLAG_CHAR_POSITIONS 0x100000
  #define PORT_FLAG_CLOSED 0x800
  #define PORT_FLAG_COMPRESSED 0x2000
  #define PORT_FLAG_EOF 0x10000
  #define PORT_FLAG_EXCLUSIVE 0x4000
  #define PORT_FLAG_FILE 0x1000
  #define PORT_FLAG_FOLD_CASE 0x400000
  #define PORT_FLAG_INPUT 0x100
  #define PORT_FLAG_INPUT_MODE 0x80000
  #define PORT_FLAG_LINE_BUFFERED 0x40000
  #define PORT_FLAG_NO_FOLD_CASE 0x800000
  #define PORT_FLAG_OUTPUT 0x200
  #define PORT_FLAG_R6RS 0x200000
  #define SAPPEND 0x3
  #define SDEFAULT 0x4
  #define SEOF -0x1
  #define SERROR 0x0
  #define SICONV_DUNNO 0x0
  #define SICONV_INCOMPLETE 0x2
  #define SICONV_INVALID 0x1
  #define SICONV_NOROOM 0x3
  #define SREPLACE 0x2
  #define STRVNCATE 0x1
  #define address_bits 0x20
  #define alloc_waste_maximum 0x400
  #define annotation_all 0x3
  #define annotation_debug 0x1
  #define annotation_profile 0x2
  #define architecture x86
  #define asm_arg_reg_cnt 0x1
  #define asm_arg_reg_max 0x1
  #define bigit_bits 0x20
  #define bigit_bytes 0x4
  #define bignum_data_disp 0x5
  #define bignum_length_factor 0x40
  #define bignum_length_offset 0x6
  #define bignum_sign_offset 0x5
  #define bignum_type_disp 0x1
  #define black_hole (ptr)0x46
  #define box_ref_disp 0x5
  #define box_type_disp 0x1
  #define byte_alignment 0x8
  #define byte_constant_mask 0xFFFFFFFF
  #define bytes_per_card 0x100
  #define bytes_per_segment 0x2000
  #define bytevector_data_disp 0x9
  #define bytevector_immutable_flag 0x4
  #define bytevector_length_factor 0x8
  #define bytevector_length_offset 0x3
  #define bytevector_pad_disp 0x5
  #define bytevector_type_disp 0x1
  #define c_entry_name_vector #(thread-context get-thread-context handle-apply-overflood handle-docall-error handle-overflow handle-overflood handle-nonprocedure-symbol thread-list split-and-resize raw-collect-cond raw-tc-mutex activate-thread deactivate-thread unactivate-thread handle-values-error handle-mvlet-error handle-arg-error foreign-entry install-library-entry get-more-room scan-remembered-set instantiate-code-object Sreturn Scall-one-result Scall-any-results)
  #define c_entry_vector_size 0x19
  #define cached_stack_link_disp 0x4
  #define cached_stack_size_disp 0x0
  #define card_offset_bits 0x8
  #define cards_per_segment 0x20
  #define char_data_offset 0x8
  #define char_factor 0x100
  #define closure_code_disp 0x3
  #define closure_data_disp 0x7
  #define code_arity_mask_disp 0x11
  #define code_closure_length_disp 0x15
  #define code_data_disp 0x21
  #define code_flag_continuation 0x2
  #define code_flag_guardian 0x8
  #define code_flag_system 0x1
  #define code_flag_template 0x4
  #define code_flags_offset 0x8
  #define code_info_disp 0x19
  #define code_length_disp 0x5
  #define code_name_disp 0xD
  #define code_pinfos_disp 0x1D
  #define code_reloc_disp 0x9
  #define code_type_disp 0x1
  #define collect_interrupt_index 0x1
  #define continuation_code_disp 0x3
  #define continuation_link_disp 0x13
  #define continuation_return_address_disp 0x17
  #define continuation_stack_clength_disp 0xF
  #define continuation_stack_disp 0x7
  #define continuation_stack_length_disp 0xB
  #define continuation_winders_disp 0x1B
  #define countof_bignum 0x5
  #define countof_box 0x9
  #define countof_bytevector 0x15
  #define countof_closure 0x3
  #define countof_code 0xB
  #define countof_continuation 0x4
  #define countof_ephemeron 0x19
  #define countof_exactnum 0x8
  #define countof_flonum 0x2
  #define countof_fxvector 0x14
  #define countof_guardian 0x17
  #define countof_inexactnum 0x7
  #define countof_locked 0x16
  #define countof_oblist 0x18
  #define countof_pair 0x0
  #define countof_port 0xA
  #define countof_ratnum 0x6
  #define countof_relocation_table 0x10
  #define countof_rtd_counts 0xE
  #define countof_stack 0xF
  #define countof_string 0x13
  #define countof_symbol 0x1
  #define countof_thread 0xC
  #define countof_tlc 0xD
  #define countof_types 0x1A
  #define countof_vector 0x12
  #define countof_weakpair 0x11
  #define default_collect_trip_bytes 0x400000
  #define default_heap_reserve_ratio 1.0
  #define default_max_nonstatic_generation 0x4
  #define default_stack_size 0x7FF8
  #define default_timer_ticks 0x3E8
  #define dtvec_hour 0x3
  #define dtvec_isdst 0x9
  #define dtvec_mday 0x4
  #define dtvec_min 0x2
  #define dtvec_mon 0x5
  #define dtvec_nsec 0x0
  #define dtvec_sec 0x1
  #define dtvec_size 0xC
  #define dtvec_tzname 0xB
  #define dtvec_tzoff 0xA
  #define dtvec_wday 0x7
  #define dtvec_yday 0x8
  #define dtvec_year 0x6
  #define ephemeron_car_disp 0x7
  #define ephemeron_cdr_disp 0xB
  #define ephemeron_next_disp 0xF
  #define ephemeron_trigger_next_disp 0x13
  #define eq_hashtable_subtype_ephemeron 0x2
  #define eq_hashtable_subtype_normal 0x0
  #define eq_hashtable_subtype_weak 0x1
  #define exactnum_imag_disp 0x9
  #define exactnum_real_disp 0x5
  #define exactnum_type_disp 0x1
  #define fasl_fld_double 0xA
  #define fasl_fld_i16 0x2
  #define fasl_fld_i24 0x3
  #define fasl_fld_i32 0x4
  #define fasl_fld_i40 0x5
  #define fasl_fld_i48 0x6
  #define fasl_fld_i56 0x7
  #define fasl_fld_i64 0x8
  #define fasl_fld_ptr 0x0
  #define fasl_fld_single 0x9
  #define fasl_fld_u8 0x1
  #define fasl_header #vu8(0 0 0 0 99 104 101 122)
  #define fasl_type_base_rtd 0x1A
  #define fasl_type_box 0x1
  #define fasl_type_bytevector 0x1D
  #define fasl_type_closure 0x6
  #define fasl_type_code 0xB
  #define fasl_type_entry 0xD
  #define fasl_type_ephemeron 0x1C
  #define fasl_type_eq_hashtable 0x1F
  #define fasl_type_exactnum 0x14
  #define fasl_type_fasl_size 0x16
  #define fasl_type_flonum 0x8
  #define fasl_type_fxvector 0x1B
  #define fasl_type_gensym 0x13
  #define fasl_type_graph 0x10
  #define fasl_type_graph_def 0x11
  #define fasl_type_graph_ref 0x12
  #define fasl_type_header 0x0
  #define fasl_type_immediate 0xC
  #define fasl_type_immutable_box 0x29
  #define fasl_type_immutable_bytevector 0x28
  #define fasl_type_immutable_fxvector 0x27
  #define fasl_type_immutable_string 0x26
  #define fasl_type_immutable_vector 0x25
  #define fasl_type_inexactnum 0x5
  #define fasl_type_large_integer 0xA
  #define fasl_type_library 0xE
  #define fasl_type_library_code 0xF
  #define fasl_type_pair 0x7
  #define fasl_type_ratnum 0x3
  #define fasl_type_record 0x17
  #define fasl_type_revisit 0x23
  #define fasl_type_rtd 0x18
  #define fasl_type_small_integer 0x19
  #define fasl_type_string 0x9
  #define fasl_type_symbol 0x2
  #define fasl_type_symbol_hashtable 0x20
  #define fasl_type_vector 0x4
  #define fasl_type_visit 0x22
  #define fasl_type_visit_revisit 0x24
  #define fasl_type_weak_pair 0x1E
  #define fixnum_bits 0x1E
  #define fixnum_factor 0x4
  #define fixnum_offset 0x2
  #define fld_byte_index 0x4
  #define fld_mutablep_index 0x2
  #define fld_name_index 0x1
  #define fld_type_index 0x3
  #define flonum_data_disp 0x6
  #define forward_address_disp 0x4
  #define forward_marker (ptr)0x2E
  #define forward_marker_disp 0x0
  #define ftype_guardian_rep (ptr)0x56
  #define fxvector_data_disp 0x5
  #define fxvector_immutable_flag 0x8
  #define fxvector_length_factor 0x10
  #define fxvector_length_offset 0x4
  #define fxvector_type_disp 0x1
  #define guardian_entry_next_disp 0xC
  #define guardian_entry_obj_disp 0x0
  #define guardian_entry_rep_disp 0x4
  #define guardian_entry_tconc_disp 0x8
  #define hashtable_default_size 0x8
  #define header_size_bignum 0x4
  #define header_size_bytevector 0x8
  #define header_size_closure 0x4
  #define header_size_code 0x20
  #define header_size_fxvector 0x4
  #define header_size_record 0x4
  #define header_size_reloc_table 0x8
  #define header_size_string 0x4
  #define header_size_vector 0x4
  #define ignore_event_flag 0x0
  #define inexactnum_imag_disp 0x11
  #define inexactnum_pad_disp 0x5
  #define inexactnum_real_disp 0x9
  #define inexactnum_type_disp 0x1
  #define int_bits 0x20
  #define integer_divide_instruction 1
  #define keyboard_interrupt_index 0x3
  #define library_entry_vector_size 0x210
  #define libspec_closure_index 0xD
  #define libspec_does_not_expect_headroom_index 0x0
  #define libspec_error_index 0xE
  #define libspec_fake_index 0x10
  #define libspec_flags_index 0x2
  #define libspec_has_does_not_expect_headroom_version_index 0xF
  #define libspec_index_base_offset 0x1
  #define libspec_index_base_size 0x9
  #define libspec_index_offset 0x0
  #define libspec_index_size 0xA
  #define libspec_interface_offset 0xA
  #define libspec_interface_size 0x3
  #define libspec_name_index 0x1
  #define log2_ptr_bytes 0x2
  #define long_bits 0x20
  #define long_long_bits 0x40
  #define machine_type 0x4
  #define machine_type_a6fb 0x15
  #define machine_type_a6le 0xB
  #define machine_type_a6nb 0x19
  #define machine_type_a6nt 0x1B
  #define machine_type_a6ob 0xF
  #define machine_type_a6osx 0xD
  #define machine_type_a6s2 0x11
  #define machine_type_alist ((0 . any) (1 . i3le) (2 . ti3le) (3 . i3nt) (4 . ti3nt) (5 . i3fb) (6 . ti3fb) (7 . i3ob) (8 . ti3ob) (9 . i3osx) (10 . ti3osx) (11 . a6le) (12 . ta6le) (13 . a6osx) (14 . ta6osx) (15 . a6ob) (16 . ta6ob) (17 . a6s2) (18 . ta6s2) (19 . i3s2) (20 . ti3s2) (21 . a6fb) (22 . ta6fb) (23 . i3nb) (24 . ti3nb) (25 . a6nb) (26 . ta6nb) (27 . a6nt) (28 . ta6nt) (29 . i3qnx) (30 . ti3qnx) (31 . arm32le) (32 . tarm32le) (33 . ppc32le) (34 . tppc32le))
  #define machine_type_any 0x0
  #define machine_type_arm32le 0x1F
  #define machine_type_i3fb 0x5
  #define machine_type_i3le 0x1
  #define machine_type_i3nb 0x17
  #define machine_type_i3nt 0x3
  #define machine_type_i3ob 0x7
  #define machine_type_i3osx 0x9
  #define machine_type_i3qnx 0x1D
  #define machine_type_i3s2 0x13
  #define machine_type_limit 0x23
  #define machine_type_name ti3nt
  #define machine_type_ppc32le 0x21
  #define machine_type_ta6fb 0x16
  #define machine_type_ta6le 0xC
  #define machine_type_ta6nb 0x1A
  #define machine_type_ta6nt 0x1C
  #define machine_type_ta6ob 0x10
  #define machine_type_ta6osx 0xE
  #define machine_type_ta6s2 0x12
  #define machine_type_tarm32le 0x20
  #define machine_type_ti3fb 0x6
  #define machine_type_ti3le 0x2
  #define machine_type_ti3nb 0x18
  #define machine_type_ti3nt 0x4
  #define machine_type_ti3ob 0x8
  #define machine_type_ti3osx 0xA
  #define machine_type_ti3qnx 0x1E
  #define machine_type_ti3s2 0x14
  #define machine_type_tppc32le 0x22
  #define mask_bignum 0x1F
  #define mask_bignum_sign 0x20
  #define mask_binary_input_port 0x5FF
  #define mask_binary_output_port 0x6FF
  #define mask_binary_port 0x4FF
  #define mask_boolean 0xF7
  #define mask_box 0x7F
  #define mask_bwp 0xFFFFFFFF
  #define mask_bytevector 0x3
  #define mask_char 0xFF
  #define mask_closure 0x7
  #define mask_code 0xFF
  #define mask_continuation_code 0x2FF
  #define mask_eof 0xFFFFFFFF
  #define mask_exactnum 0xFFFFFFFF
  #define mask_false 0xFFFFFFFF
  #define mask_fixnum 0x3
  #define mask_flonum 0x7
  #define mask_fxvector 0x7
  #define mask_guardian_code 0x8FF
  #define mask_immediate 0x7
  #define mask_inexactnum 0xFFFFFFFF
  #define mask_input_port 0x1FF
  #define mask_mutable_box 0xFFFFFFFF
  #define mask_mutable_bytevector 0x7
  #define mask_mutable_fxvector 0xF
  #define mask_mutable_string 0xF
  #define mask_mutable_vector 0x7
  #define mask_nil 0xFFFFFFFF
  #define mask_octet -0x3FD
  #define mask_other_number 0xF
  #define mask_output_port 0x2FF
  #define mask_pair 0x7
  #define mask_port 0xFF
  #define mask_ratnum 0xFFFFFFFF
  #define mask_record 0x7
  #define mask_rtd_counts 0xFFFFFFFF
  #define mask_signed_bignum 0x3F
  #define mask_string 0x7
  #define mask_symbol 0x7
  #define mask_system_code 0x1FF
  #define mask_textual_input_port 0x5FF
  #define mask_textual_output_port 0x6FF
  #define mask_textual_port 0x4FF
  #define mask_thread 0xFFFFFFFF
  #define mask_tlc 0xFFFFFFFF
  #define mask_typed_object 0x7
  #define mask_unbound 0xFFFFFFFF
  #define mask_vector 0x3
  #define max_float_alignment 0x8
  #define max_integer_alignment 0x8
  #define max_real_space 0xB
  #define max_space 0xC
  #define max_sweep_space 0xA
  #define maximum_bignum_length (iptr)0x3FFFFFF
  #define maximum_bytevector_length (iptr)0x1FFFFFFF
  #define maximum_fxvector_length (iptr)0xFFFFFFF
  #define maximum_interrupt_index 0x4
  #define maximum_string_length (iptr)0xFFFFFFF
  #define maximum_vector_length (iptr)0x1FFFFFFF
  #define minimum_segment_request 0x80
  #define most_negative_fixnum (iptr)-0x20000000
  #define most_positive_fixnum (iptr)0x1FFFFFFF
  #define native_endianness little
  #define one_shot_headroom 0x600
  #define ordinary_type_bits 0x8
  #define pair_car_disp 0x7
  #define pair_cdr_disp 0xB
  #define pair_shift 0x3
  #define port_flag_binary 0x4
  #define port_flag_block_buffered 0x200
  #define port_flag_bol 0x80
  #define port_flag_char_positions 0x1000
  #define port_flag_closed 0x8
  #define port_flag_compressed 0x20
  #define port_flag_eof 0x100
  #define port_flag_exclusive 0x40
  #define port_flag_file 0x10
  #define port_flag_fold_case 0x4000
  #define port_flag_input 0x1
  #define port_flag_input_mode 0x800
  #define port_flag_line_buffered 0x400
  #define port_flag_no_fold_case 0x8000
  #define port_flag_output 0x2
  #define port_flag_r6rs 0x2000
  #define port_flags_offset 0x8
  #define port_handler_disp 0x5
  #define port_ibuffer_disp 0x1D
  #define port_icount_disp 0xD
  #define port_ilast_disp 0x19
  #define port_info_disp 0x21
  #define port_name_disp 0x25
  #define port_obuffer_disp 0x15
  #define port_ocount_disp 0x9
  #define port_olast_disp 0x11
  #define port_type_disp 0x1
  #define prelex_is_flags_offset 0x8
  #define prelex_is_mask 0xFF00
  #define prelex_sticky_mask 0xFF
  #define prelex_was_flags_offset 0x10
  #define primary_type_bits 0x3
  #define ptr_bits 0x20
  #define ptr_bytes 0x4
  #define ptrdiff_t_bits 0x20
  #define ratnum_denominator_disp 0x9
  #define ratnum_numerator_disp 0x5
  #define ratnum_type_disp 0x1
  #define real_space_alist ((new . 0) (impure . 1) (symbol . 2) (port . 3) (weakpair . 4) (ephemeron . 5) (pure . 6) (continuation . 7) (code . 8) (pure-typed-object . 9) (impure-record . 10) (data . 11))
  #define record_data_disp 0x5
  #define record_type_counts_disp 0x25
  #define record_type_disp 0x1
  #define record_type_flags_disp 0x1D
  #define record_type_flds_disp 0x19
  #define record_type_mpm_disp 0x11
  #define record_type_name_disp 0x15
  #define record_type_parent_disp 0x5
  #define record_type_pm_disp 0xD
  #define record_type_size_disp 0x9
  #define record_type_type_disp 0x1
  #define record_type_uid_disp 0x21
  #define reloc_abs 0x0
  #define reloc_code_offset_index 0x3
  #define reloc_code_offset_mask 0x3FF
  #define reloc_code_offset_offset 0x4
  #define reloc_extended_format 0x1
  #define reloc_item_offset_index 0x2
  #define reloc_item_offset_mask 0x3FFFF
  #define reloc_item_offset_offset 0xE
  #define reloc_longp_index 0x4
  #define reloc_rel 0x1
  #define reloc_table_code_disp 0x4
  #define reloc_table_data_disp 0x8
  #define reloc_table_size_disp 0x0
  #define reloc_type_index 0x1
  #define reloc_type_mask 0x7
  #define reloc_type_offset 0x1
  #define return_address_frame_size_disp -0x8
  #define return_address_livemask_disp -0x10
  #define return_address_mv_return_address_disp -0x4
  #define return_address_toplink_disp -0xC
  #define rp_header_frame_size_disp 0x8
  #define rp_header_livemask_disp 0x0
  #define rp_header_mv_return_address_disp 0xC
  #define rp_header_toplink_disp 0x4
  #define rtd_counts_data_disp 0x11
  #define rtd_counts_timestamp_disp 0x9
  #define rtd_counts_type_disp 0x1
  #define rtd_generative 0x1
  #define rtd_opaque 0x2
  #define rtd_sealed 0x4
  #define sbwp (ptr)0x4E
  #define scaled_shot_1_shot_flag -0x4
  #define scheme_version 0x90503
  #define segment_card_offset_bits 0x5
  #define segment_offset_bits 0xD
  #define segment_t1_bits 0x13
  #define segment_table_levels 0x1
  #define seof (ptr)0x36
  #define sfalse (ptr)0x6
  #define short_bits 0x10
  #define signal_interrupt_index 0x4
  #define size_box 0x8
  #define size_cached_stack 0x8
  #define size_continuation 0x20
  #define size_ephemeron 0x10
  #define size_exactnum 0x10
  #define size_flonum 0x8
  #define size_forward 0x8
  #define size_guardian_entry 0x10
  #define size_inexactnum 0x18
  #define size_pair 0x8
  #define size_port 0x28
  #define size_ratnum 0x10
  #define size_record_type 0x28
  #define size_rp_header 0x10
  #define size_rtd_counts 0x410
  #define size_symbol 0x18
  #define size_tc 0x158
  #define size_thread 0x8
  #define size_tlc 0x10
  #define size_typed_object 0x8
  #define size_t_bits 0x20
  #define snil (ptr)0x26
  #define space_char_list (#\n #\i #\x #\q #\w #\e #\p #\k #\c #\r #\s #\d #\e)
  #define space_cname_list ("new" "impure" "symbol" "port" "weakpr" "emph" "pure" "cont" "code" "p-tobj" "ip-rec" "data" "empty")
  #define space_code 0x8
  #define space_continuation 0x7
  #define space_data 0xB
  #define space_empty 0xC
  #define space_ephemeron 0x5
  #define space_impure 0x1
  #define space_impure_record 0xA
  #define space_locked 0x20
  #define space_new 0x0
  #define space_old 0x40
  #define space_port 0x3
  #define space_pure 0x6
  #define space_pure_typed_object 0x9
  #define space_symbol 0x2
  #define space_weakpair 0x4
  #define stack_frame_limit 0x100
  #define stack_slop 0x200
  #define static_generation 0xFF
  #define string_char_bits 0x20
  #define string_char_bytes 0x4
  #define string_char_offset 0x2
  #define string_data_disp 0x5
  #define string_immutable_flag 0x8
  #define string_length_factor 0x10
  #define string_length_offset 0x4
  #define string_type_disp 0x1
  #define strue (ptr)0xE
  #define sunbound (ptr)0x1E
  #define svoid (ptr)0x3E
  #define symbol_hash_disp 0x19
  #define symbol_name_disp 0x11
  #define symbol_plist_disp 0xD
  #define symbol_pvalue_disp 0x9
  #define symbol_splist_disp 0x15
  #define symbol_value_disp 0x5
  #define tc_U_disp 0xA4
  #define tc_V_disp 0xA8
  #define tc_W_disp 0xAC
  #define tc_X_disp 0xB0
  #define tc_Y_disp 0xB4
  #define tc_ac0_disp 0x4
  #define tc_ac1_disp 0x8
  #define tc_active_disp 0x8C
  #define tc_alloc_counter_disp 0x148
  #define tc_ap_disp 0x18
  #define tc_arg_regs_disp 0x0
  #define tc_block_counter_disp 0xE0
  #define tc_cchain_disp 0x80
  #define tc_code_ranges_to_flush_disp 0x84
  #define tc_compile_profile_disp 0x10C
  #define tc_compress_format_disp 0x130
  #define tc_compress_level_disp 0x134
  #define tc_cp_disp 0x10
  #define tc_current_error_disp 0xDC
  #define tc_current_input_disp 0xD4
  #define tc_current_mso_disp 0xE8
  #define tc_current_output_disp 0xD8
  #define tc_default_record_equal_procedure_disp 0x128
  #define tc_default_record_hash_procedure_disp 0x12C
  #define tc_disable_count_disp 0xC0
  #define tc_eap_disp 0x1C
  #define tc_esp_disp 0x14
  #define tc_fxfirst_bit_set_bv_disp 0xF4
  #define tc_fxlength_bv_disp 0xF0
  #define tc_generate_inspector_information_disp 0x110
  #define tc_generate_procedure_source_information_disp 0x114
  #define tc_generate_profile_forms_disp 0x118
  #define tc_guardian_entries_disp 0x7C
  #define tc_instr_counter_disp 0x140
  #define tc_keyboard_interrupt_pending_disp 0xCC
  #define tc_lz4_out_buffer_disp 0x138
  #define tc_meta_level_disp 0x108
  #define tc_null_immutable_bytevector_disp 0x100
  #define tc_null_immutable_fxvector_disp 0xFC
  #define tc_null_immutable_string_disp 0x104
  #define tc_null_immutable_vector_disp 0xF8
  #define tc_optimize_level_disp 0x11C
  #define tc_parameters_disp 0x150
  #define tc_random_seed_disp 0x88
  #define tc_real_eap_disp 0x38
  #define tc_ret_disp 0x20
  #define tc_scheme_stack_disp 0x90
  #define tc_scheme_stack_size_disp 0x9C
  #define tc_sfd_disp 0xE4
  #define tc_sfp_disp 0xC
  #define tc_signal_interrupt_pending_disp 0xC4
  #define tc_signal_interrupt_queue_disp 0xC8
  #define tc_something_pending_disp 0xB8
  #define tc_stack_cache_disp 0x94
  #define tc_stack_link_disp 0x98
  #define tc_subset_mode_disp 0x120
  #define tc_suppress_primitive_inlining_disp 0x124
  #define tc_target_machine_disp 0xEC
  #define tc_td_disp 0x34
  #define tc_threadno_disp 0xD0
  #define tc_timer_ticks_disp 0xBC
  #define tc_trap_disp 0x24
  #define tc_ts_disp 0x30
  #define tc_virtual_registers_disp 0x3C
  #define tc_winders_disp 0xA0
  #define tc_xp_disp 0x28
  #define tc_yp_disp 0x2C
  #define thread_handle_uptrs 0x2
  #define thread_tc_disp 0x5
  #define thread_type_disp 0x1
  #define time_collector_cpu 0x5
  #define time_collector_real 0x6
  #define time_duration 0x2
  #define time_monotonic 0x3
  #define time_process 0x0
  #define time_t_bits 0x40
  #define time_thread 0x1
  #define time_utc 0x4
  #define timer_interrupt_index 0x2
  #define tlc_ht_disp 0x9
  #define tlc_keyval_disp 0x5
  #define tlc_next_disp 0xD
  #define tlc_type_disp 0x1
  #define type_bignum 0x6
  #define type_binary_input_port 0x51E
  #define type_binary_output_port 0x61E
  #define type_binary_port 0x41E
  #define type_boolean 0x6
  #define type_box 0xE
  #define type_bytevector 0x1
  #define type_char 0x16
  #define type_closure 0x5
  #define type_code 0x3E
  #define type_continuation_code 0x23E
  #define type_exactnum 0x56
  #define type_fixnum 0x0
  #define type_flonum 0x2
  #define type_fxvector 0x3
  #define type_guardian_code 0x83E
  #define type_immediate 0x6
  #define type_immutable_box 0x8E
  #define type_immutable_bytevector 0x5
  #define type_immutable_fxvector 0xB
  #define type_immutable_string 0xA
  #define type_immutable_vector 0x4
  #define type_inexactnum 0x36
  #define type_input_port 0x11E
  #define type_io_port 0x31E
  #define type_mutable_box 0xE
  #define type_mutable_bytevector 0x1
  #define type_mutable_fxvector 0x3
  #define type_mutable_string 0x2
  #define type_mutable_vector 0x0
  #define type_negative_bignum 0x26
  #define type_octet 0x0
  #define type_other_number 0x6
  #define type_output_port 0x21E
  #define type_pair 0x1
  #define type_port 0x1E
  #define type_positive_bignum 0x6
  #define type_ratnum 0x16
  #define type_record 0x7
  #define type_rtd_counts 0x6E
  #define type_string 0x2
  #define type_symbol 0x3
  #define type_system_code 0x13E
  #define type_textual_input_port 0x11E
  #define type_textual_output_port 0x21E
  #define type_textual_port 0x1E
  #define type_thread 0x4E
  #define type_tlc 0x5E
  #define type_typed_object 0x7
  #define type_vector 0x0
  #define typed_object_type_disp 0x1
  #define typedef_i16 "short"
  #define typedef_i32 "int"
  #define typedef_i64 "long long"
  #define typedef_i8 "char"
  #define typedef_iptr "int"
  #define typedef_ptr "void *"
  #define typedef_string_char "unsigned int"
  #define typedef_u16 "unsigned short"
  #define typedef_u32 "unsigned int"
  #define typedef_u64 "unsigned long long"
  #define typedef_u8 "unsigned char"
  #define typedef_uptr "unsigned int"
  #define typemod 0x8
  #define unactivate_mode_deactivate 0x1
  #define unactivate_mode_destroy 0x2
  #define unactivate_mode_noop 0x0
  #define unaligned_floats 1
  #define unaligned_integers 1
  #define underflow_limit 0x40
  #define unscaled_shot_1_shot_flag -0x1
  #define vector_data_disp 0x5
  #define vector_immutable_flag 0x4
  #define vector_length_factor 0x8
  #define vector_length_offset 0x3
  #define vector_type_disp 0x1
  #define virtual_register_count 0x10
  #define wchar_bits 0x10
  
  /* constants from declare-c-entries */
  #define CENTRY_Scall_any_results 24
  #define CENTRY_Scall_one_result 23
  #define CENTRY_Sreturn 22
  #define CENTRY_activate_thread 11
  #define CENTRY_deactivate_thread 12
  #define CENTRY_foreign_entry 17
  #define CENTRY_get_more_room 19
  #define CENTRY_get_thread_context 1
  #define CENTRY_handle_apply_overflood 2
  #define CENTRY_handle_arg_error 16
  #define CENTRY_handle_docall_error 3
  #define CENTRY_handle_mvlet_error 15
  #define CENTRY_handle_nonprocedure_symbol 6
  #define CENTRY_handle_overflood 5
  #define CENTRY_handle_overflow 4
  #define CENTRY_handle_values_error 14
  #define CENTRY_install_library_entry 18
  #define CENTRY_instantiate_code_object 21
  #define CENTRY_raw_collect_cond 9
  #define CENTRY_raw_tc_mutex 10
  #define CENTRY_scan_remembered_set 20
  #define CENTRY_split_and_resize 8
  #define CENTRY_thread_context 0
  #define CENTRY_thread_list 7
  #define CENTRY_unactivate_thread 13
  
  /* displacements for records */
  #define eq_hashtable_rtd_disp 1
  #define eq_hashtable_type_disp 5
  #define eq_hashtable_mutablep_disp 9
  #define eq_hashtable_vec_disp 13
  #define eq_hashtable_minlen_disp 17
  #define eq_hashtable_size_disp 21
  #define eq_hashtable_subtype_disp 25
  #define symbol_hashtable_rtd_disp 1
  #define symbol_hashtable_type_disp 5
  #define symbol_hashtable_mutablep_disp 9
  #define symbol_hashtable_vec_disp 13
  #define symbol_hashtable_minlen_disp 17
  #define symbol_hashtable_size_disp 21
  #define symbol_hashtable_equivp_disp 25
  #define code_info_rtd_disp 1
  #define code_info_src_disp 5
  #define code_info_sexpr_disp 9
  #define code_info_free_disp 13
  #define code_info_live_disp 17
  #define code_info_rpis_disp 21
  
  /* predicates */
  #define Simmediatep(x) (((uptr)(x)&0x7)==0x6)
  #define Sportp(x) ((((uptr)(x)&0x7)==0x7) &&\
      (((uptr)((*((ptr *)((uptr)(x)+1))))&0xFF)==0x1E))
  #define Scodep(x) ((((uptr)(x)&0x7)==0x7) &&\
      (((uptr)((*((ptr *)((uptr)(x)+1))))&0xFF)==0x3E))
  
  /* structure accessors */
  #define INITCAR(x) (*((ptr *)((uptr)(x)+7)))
  #define INITCDR(x) (*((ptr *)((uptr)(x)+11)))
  #define SETCAR(x,y) DIRTYSET(((ptr *)((uptr)(x)+7)),(y))
  #define SETCDR(x,y) DIRTYSET(((ptr *)((uptr)(x)+11)),(y))
  #define BOXTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define INITBOXREF(x) (*((ptr *)((uptr)(x)+5)))
  #define SETBOXREF(x,y) DIRTYSET(((ptr *)((uptr)(x)+5)),(y))
  #define EPHEMERONNEXT(x) (*((ptr *)((uptr)(x)+15)))
  #define INITEPHEMERONNEXT(x) (*((ptr *)((uptr)(x)+15)))
  #define EPHEMERONTRIGGERNEXT(x) (*((ptr *)((uptr)(x)+19)))
  #define INITEPHEMERONTRIGGERNEXT(x) (*((ptr *)((uptr)(x)+19)))
  #define TLCTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define TLCKEYVAL(x) (*((ptr *)((uptr)(x)+5)))
  #define TLCHT(x) (*((ptr *)((uptr)(x)+9)))
  #define TLCNEXT(x) (*((ptr *)((uptr)(x)+13)))
  #define INITTLCKEYVAL(x) (*((ptr *)((uptr)(x)+5)))
  #define INITTLCHT(x) (*((ptr *)((uptr)(x)+9)))
  #define INITTLCNEXT(x) (*((ptr *)((uptr)(x)+13)))
  #define SETTLCNEXT(x,y) DIRTYSET(((ptr *)((uptr)(x)+13)),(y))
  #define SYMVAL(x) (*((ptr *)((uptr)(x)+5)))
  #define SYMPVAL(x) (*((ptr *)((uptr)(x)+9)))
  #define SYMPLIST(x) (*((ptr *)((uptr)(x)+13)))
  #define SYMNAME(x) (*((ptr *)((uptr)(x)+17)))
  #define SYMSPLIST(x) (*((ptr *)((uptr)(x)+21)))
  #define SYMHASH(x) (*((ptr *)((uptr)(x)+25)))
  #define INITSYMVAL(x) (*((ptr *)((uptr)(x)+5)))
  #define INITSYMPVAL(x) (*((ptr *)((uptr)(x)+9)))
  #define INITSYMPLIST(x) (*((ptr *)((uptr)(x)+13)))
  #define INITSYMNAME(x) (*((ptr *)((uptr)(x)+17)))
  #define INITSYMSPLIST(x) (*((ptr *)((uptr)(x)+21)))
  #define INITSYMHASH(x) (*((ptr *)((uptr)(x)+25)))
  #define SETSYMVAL(x,y) DIRTYSET(((ptr *)((uptr)(x)+5)),(y))
  #define SETSYMPVAL(x,y) DIRTYSET(((ptr *)((uptr)(x)+9)),(y))
  #define SETSYMPLIST(x,y) DIRTYSET(((ptr *)((uptr)(x)+13)),(y))
  #define SETSYMNAME(x,y) DIRTYSET(((ptr *)((uptr)(x)+17)),(y))
  #define SETSYMSPLIST(x,y) DIRTYSET(((ptr *)((uptr)(x)+21)),(y))
  #define SETSYMHASH(x,y) DIRTYSET(((ptr *)((uptr)(x)+25)),(y))
  #define VECTTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define INITVECTIT(x,i) (((ptr *)((uptr)(x)+5))[i])
  #define SETVECTIT(x,i,y) DIRTYSET((((ptr *)((uptr)(x)+5))+i),(y))
  #define FXVECTOR_TYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define FXVECTIT(x,i) (((ptr *)((uptr)(x)+5))[i])
  #define BYTEVECTOR_TYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define BVIT(x,i) (((octet *)((uptr)(x)+9))[i])
  #define INEXACTNUM_TYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define INEXACTNUM_REAL_PART(x) (*((double *)((uptr)(x)+9)))
  #define INEXACTNUM_IMAG_PART(x) (*((double *)((uptr)(x)+17)))
  #define EXACTNUM_TYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define EXACTNUM_REAL_PART(x) (*((ptr *)((uptr)(x)+5)))
  #define EXACTNUM_IMAG_PART(x) (*((ptr *)((uptr)(x)+9)))
  #define RATTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define RATNUM(x) (*((ptr *)((uptr)(x)+5)))
  #define RATDEN(x) (*((ptr *)((uptr)(x)+9)))
  #define CLOSENTRY(x) (*((ptr *)((uptr)(x)+3)))
  #define CLOSIT(x,i) (((ptr *)((uptr)(x)+7))[i])
  #define FLODAT(x) (*((double *)((uptr)(x)+6)))
  #define PORTTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define PORTNAME(x) (*((ptr *)((uptr)(x)+37)))
  #define PORTHANDLER(x) (*((ptr *)((uptr)(x)+5)))
  #define PORTINFO(x) (*((ptr *)((uptr)(x)+33)))
  #define PORTOCNT(x) (*((iptr *)((uptr)(x)+9)))
  #define PORTOLAST(x) (*((ptr *)((uptr)(x)+17)))
  #define PORTOBUF(x) (*((ptr *)((uptr)(x)+21)))
  #define PORTICNT(x) (*((iptr *)((uptr)(x)+13)))
  #define PORTILAST(x) (*((ptr *)((uptr)(x)+25)))
  #define PORTIBUF(x) (*((ptr *)((uptr)(x)+29)))
  #define STRTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define STRIT(x,i) (((string_char *)((uptr)(x)+5))[i])
  #define BIGTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define BIGIT(x,i) (((bigit *)((uptr)(x)+5))[i])
  #define CODETYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define CODELEN(x) (*((iptr *)((uptr)(x)+5)))
  #define CODERELOC(x) (*((ptr *)((uptr)(x)+9)))
  #define CODENAME(x) (*((ptr *)((uptr)(x)+13)))
  #define CODEARITYMASK(x) (*((ptr *)((uptr)(x)+17)))
  #define CODEFREE(x) (*((iptr *)((uptr)(x)+21)))
  #define CODEINFO(x) (*((ptr *)((uptr)(x)+25)))
  #define CODEPINFOS(x) (*((ptr *)((uptr)(x)+29)))
  #define CODEIT(x,i) (((octet *)((uptr)(x)+33))[i])
  #define RELOCSIZE(x) (*((iptr *)((uptr)(x)+0)))
  #define RELOCCODE(x) (*((ptr *)((uptr)(x)+4)))
  #define RELOCIT(x,i) (((uptr *)((uptr)(x)+8))[i])
  #define CONTSTACK(x) (*((ptr *)((uptr)(x)+7)))
  #define CONTLENGTH(x) (*((iptr *)((uptr)(x)+11)))
  #define CONTCLENGTH(x) (*((iptr *)((uptr)(x)+15)))
  #define CONTLINK(x) (*((ptr *)((uptr)(x)+19)))
  #define CONTRET(x) (*((ptr *)((uptr)(x)+23)))
  #define CONTWINDERS(x) (*((ptr *)((uptr)(x)+27)))
  #define RTDCOUNTSTYPE(x) (*((iptr *)((uptr)(x)+1)))
  #define RTDCOUNTSTIMESTAMP(x) (*((U64 *)((uptr)(x)+9)))
  #define RTDCOUNTSIT(x,i) (((uptr *)((uptr)(x)+17))[i])
  #define RECORDDESCPARENT(x) (*((ptr *)((uptr)(x)+5)))
  #define RECORDDESCSIZE(x) (*((ptr *)((uptr)(x)+9)))
  #define RECORDDESCPM(x) (*((ptr *)((uptr)(x)+13)))
  #define RECORDDESCMPM(x) (*((ptr *)((uptr)(x)+17)))
  #define RECORDDESCNAME(x) (*((ptr *)((uptr)(x)+21)))
  #define RECORDDESCFLDS(x) (*((ptr *)((uptr)(x)+25)))
  #define RECORDDESCFLAGS(x) (*((ptr *)((uptr)(x)+29)))
  #define RECORDDESCUID(x) (*((ptr *)((uptr)(x)+33)))
  #define RECORDDESCCOUNTS(x) (*((ptr *)((uptr)(x)+37)))
  #define RECORDINSTTYPE(x) (*((ptr *)((uptr)(x)+1)))
  #define RECORDINSTIT(x,i) (((ptr *)((uptr)(x)+5))[i])
  #define CLOSCODE(p) ((ptr)((uptr)CLOSENTRY(p)-code_data_disp))
  #define CODEENTRYPOINT(x) ((ptr)((uptr)(x)+code_data_disp))
  #define SETCLOSCODE(p,x) (CLOSENTRY(p) = CODEENTRYPOINT(x))
  #define SYMCODE(p) ((ptr)((uptr)SYMPVAL(p)-code_data_disp))
  #define INITSYMCODE(p,x) (INITSYMPVAL(p) = CODEENTRYPOINT(x))
  #define SETSYMCODE(p,x) SETSYMPVAL(p,CODEENTRYPOINT(x))
  #define BIGLEN(x) ((iptr)((uptr)BIGTYPE(x) >> bignum_length_offset))
  #define BIGSIGN(x) ((BIGTYPE(x) & mask_bignum_sign) >> bignum_sign_offset)
  #define SETBIGLENANDSIGN(x,xl,xs) BIGTYPE(x) = (uptr)(xl) << bignum_length_offset | (xs) << bignum_sign_offset | type_bignum
  #define CLOSLEN(p) CODEFREE(CLOSCODE(p))
  #define GUARDIANOBJ(x) (*((ptr *)((uptr)(x)+0)))
  #define GUARDIANREP(x) (*((ptr *)((uptr)(x)+4)))
  #define GUARDIANTCONC(x) (*((ptr *)((uptr)(x)+8)))
  #define GUARDIANNEXT(x) (*((ptr *)((uptr)(x)+12)))
  #define INITGUARDIANOBJ(x) (*((ptr *)((uptr)(x)+0)))
  #define INITGUARDIANREP(x) (*((ptr *)((uptr)(x)+4)))
  #define INITGUARDIANTCONC(x) (*((ptr *)((uptr)(x)+8)))
  #define INITGUARDIANNEXT(x) (*((ptr *)((uptr)(x)+12)))
  #define FORWARDMARKER(x) (*((ptr *)((uptr)(x)+0)))
  #define FORWARDADDRESS(x) (*((ptr *)((uptr)(x)+4)))
  #define CACHEDSTACKSIZE(x) (*((iptr *)((uptr)(x)+0)))
  #define CACHEDSTACKLINK(x) (*((ptr *)((uptr)(x)+4)))
  #define RPHEADERFRAMESIZE(x) (*((iptr *)((uptr)(x)+8)))
  #define RPHEADERLIVEMASK(x) (*((ptr *)((uptr)(x)+0)))
  #define RPHEADERTOPLINK(x) (*((uptr *)((uptr)(x)+4)))
  
  /* machine types */
  #define machine_type_names {"any", "i3le", "ti3le", "i3nt", "ti3nt", "i3fb", "ti3fb", "i3ob", "ti3ob", "i3osx", "ti3osx", "a6le", "ta6le", "a6osx", "ta6osx", "a6ob", "ta6ob", "a6s2", "ta6s2", "i3s2", "ti3s2", "a6fb", "ta6fb", "i3nb", "ti3nb", "a6nb", "ta6nb", "a6nt", "ta6nt", "i3qnx", "ti3qnx", "arm32le", "tarm32le", "ppc32le", "tppc32le"}
  
  /* allocation-space names */
  #define alloc_space_names "new", "impure", "symbol", "port", "weakpr", "emph", "pure", "cont", "code", "p-tobj", "ip-rec", "data", "empty"
  
  /* allocation-space characters */
  #define alloc_space_chars 'n', 'i', 'x', 'q', 'w', 'e', 'p', 'k', 'c', 'r', 's', 'd', 'e'
  
  /* threads */
  #define THREADTC(x) (*((uptr *)((uptr)(x)+5)))
  
  /* thread-context data */
  #define U(x) (*((ptr *)((uptr)(x)+164)))
  #define V(x) (*((ptr *)((uptr)(x)+168)))
  #define W(x) (*((ptr *)((uptr)(x)+172)))
  #define X(x) (*((ptr *)((uptr)(x)+176)))
  #define Y(x) (*((ptr *)((uptr)(x)+180)))
  #define AC0(x) (*((void* *)((uptr)(x)+4)))
  #define AC1(x) (*((void* *)((uptr)(x)+8)))
  #define ACTIVE(x) (*((I32 *)((uptr)(x)+140)))
  #define ALLOCCOUNTER(x) (*((U64 *)((uptr)(x)+328)))
  #define AP(x) (*((void* *)((uptr)(x)+24)))
  #define ARGREGS(x,i) (((void* *)((uptr)(x)+0))[i])
  #define BLOCKCOUNTER(x) (*((ptr *)((uptr)(x)+224)))
  #define CCHAIN(x) (*((ptr *)((uptr)(x)+128)))
  #define CODERANGESTOFLUSH(x) (*((ptr *)((uptr)(x)+132)))
  #define COMPILEPROFILE(x) (*((ptr *)((uptr)(x)+268)))
  #define COMPRESSFORMAT(x) (*((ptr *)((uptr)(x)+304)))
  #define COMPRESSLEVEL(x) (*((ptr *)((uptr)(x)+308)))
  #define CP(x) (*((void* *)((uptr)(x)+16)))
  #define CURRENTERROR(x) (*((ptr *)((uptr)(x)+220)))
  #define CURRENTINPUT(x) (*((ptr *)((uptr)(x)+212)))
  #define CURRENTMSO(x) (*((ptr *)((uptr)(x)+232)))
  #define CURRENTOUTPUT(x) (*((ptr *)((uptr)(x)+216)))
  #define DEFAULTRECORDEQUALPROCEDURE(x) (*((ptr *)((uptr)(x)+296)))
  #define DEFAULTRECORDHASHPROCEDURE(x) (*((ptr *)((uptr)(x)+300)))
  #define DISABLECOUNT(x) (*((ptr *)((uptr)(x)+192)))
  #define EAP(x) (*((void* *)((uptr)(x)+28)))
  #define ESP(x) (*((void* *)((uptr)(x)+20)))
  #define FXFIRSTBITSETBV(x) (*((ptr *)((uptr)(x)+244)))
  #define FXLENGTHBV(x) (*((ptr *)((uptr)(x)+240)))
  #define GENERATEINSPECTORINFORMATION(x) (*((ptr *)((uptr)(x)+272)))
  #define GENERATEPROCEDURESOURCEINFORMATION(x) (*((ptr *)((uptr)(x)+276)))
  #define GENERATEPROFILEFORMS(x) (*((ptr *)((uptr)(x)+280)))
  #define GUARDIANENTRIES(x) (*((ptr *)((uptr)(x)+124)))
  #define INSTRCOUNTER(x) (*((U64 *)((uptr)(x)+320)))
  #define KEYBOARDINTERRUPTPENDING(x) (*((ptr *)((uptr)(x)+204)))
  #define LZ4OUTBUFFER(x) (*((void* *)((uptr)(x)+312)))
  #define METALEVEL(x) (*((ptr *)((uptr)(x)+264)))
  #define NULLIMMUTABLEBYTEVECTOR(x) (*((ptr *)((uptr)(x)+256)))
  #define NULLIMMUTABLEFXVECTOR(x) (*((ptr *)((uptr)(x)+252)))
  #define NULLIMMUTABLESTRING(x) (*((ptr *)((uptr)(x)+260)))
  #define NULLIMMUTABLEVECTOR(x) (*((ptr *)((uptr)(x)+248)))
  #define OPTIMIZELEVEL(x) (*((ptr *)((uptr)(x)+284)))
  #define PARAMETERS(x) (*((ptr *)((uptr)(x)+336)))
  #define RANDOMSEED(x) (*((U32 *)((uptr)(x)+136)))
  #define REAL_EAP(x) (*((void* *)((uptr)(x)+56)))
  #define RET(x) (*((void* *)((uptr)(x)+32)))
  #define SCHEMESTACK(x) (*((void* *)((uptr)(x)+144)))
  #define SCHEMESTACKSIZE(x) (*((iptr *)((uptr)(x)+156)))
  #define SFD(x) (*((ptr *)((uptr)(x)+228)))
  #define SFP(x) (*((void* *)((uptr)(x)+12)))
  #define SIGNALINTERRUPTPENDING(x) (*((ptr *)((uptr)(x)+196)))
  #define SIGNALINTERRUPTQUEUE(x) (*((ptr *)((uptr)(x)+200)))
  #define SOMETHINGPENDING(x) (*((ptr *)((uptr)(x)+184)))
  #define STACKCACHE(x) (*((ptr *)((uptr)(x)+148)))
  #define STACKLINK(x) (*((ptr *)((uptr)(x)+152)))
  #define SUBSETMODE(x) (*((ptr *)((uptr)(x)+288)))
  #define SUPPRESSPRIMITIVEINLINING(x) (*((ptr *)((uptr)(x)+292)))
  #define TARGETMACHINE(x) (*((ptr *)((uptr)(x)+236)))
  #define TD(x) (*((void* *)((uptr)(x)+52)))
  #define THREADNO(x) (*((ptr *)((uptr)(x)+208)))
  #define TIMERTICKS(x) (*((ptr *)((uptr)(x)+188)))
  #define TRAP(x) (*((void* *)((uptr)(x)+36)))
  #define TS(x) (*((void* *)((uptr)(x)+48)))
  #define VIRTUALREGISTERS(x,i) (((ptr *)((uptr)(x)+60))[i])
  #define WINDERS(x) (*((ptr *)((uptr)(x)+160)))
  #define XP(x) (*((void* *)((uptr)(x)+40)))
  #define YP(x) (*((void* *)((uptr)(x)+44)))
  #define ARGREG(x,i) (((void* *)((uptr)(x)+0))[i])
  #define VIRTREG(x,i) (((ptr *)((uptr)(x)+60))[i])
  
  /* library entries we access from C code */
  #define library_nonprocedure_code 152
  #define library_dounderflow 154
  