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?? ..
?? aligned.h(1.11 KB)
?? aria_backup.h(1.51 KB)
?? assume_aligned.h(2.29 KB)
?? atomic
?? authors.h(9.9 KB)
?? backup.h(1.66 KB)
?? bounded_queue.h(5.95 KB)
?? char_buffer.h(3.09 KB)
?? charset_collations.h(6.41 KB)
?? client_settings.h(1.87 KB)
?? compat56.h(2.23 KB)
?? config.h(14.21 KB)
?? contributors.h(4.76 KB)
?? create_options.h(4.09 KB)
?? create_tmp_table.h(2.74 KB)
?? cset_narrowing.h(3.88 KB)
?? custom_conf.h(1.06 KB)
?? data
?? datadict.h(1.66 KB)
?? ddl_log.h(12.51 KB)
?? debug.h(1.26 KB)
?? debug_sync.h(2 KB)
?? deprecation.h(2.74 KB)
?? derived_handler.h(2.32 KB)
?? derror.h(980 B)
?? des_key_file.h(1.21 KB)
?? discover.h(1.53 KB)
?? dur_prop.h(1.06 KB)
?? embedded_priv.h(1.69 KB)
?? event_data_objects.h(4.09 KB)
?? event_db_repository.h(3.56 KB)
?? event_parse_data.h(2.83 KB)
?? event_queue.h(3.36 KB)
?? event_scheduler.h(3.21 KB)
?? events.h(4.6 KB)
?? field.h(217.81 KB)
?? field_comp.h(1.15 KB)
?? filesort.h(7.13 KB)
?? filesort_utils.h(10.53 KB)
?? ft_global.h(3.04 KB)
?? gcalc_slicescan.h(16.87 KB)
?? gcalc_tools.h(11.62 KB)
?? grant.h(2.69 KB)
?? group_by_handler.h(3.45 KB)
?? gstream.h(2.38 KB)
?? gtid_index.h(19.54 KB)
?? ha_handler_stats.h(2.28 KB)
?? ha_partition.h(63.36 KB)
?? ha_sequence.h(6.1 KB)
?? handle_connections_win.h(884 B)
?? handler.h(206.19 KB)
?? hash.h(4.35 KB)
?? hash_filo.h(5.55 KB)
?? heap.h(9.26 KB)
?? hostname.h(5.29 KB)
?? ilist.h(6.98 KB)
?? init.h(852 B)
?? innodb_priv.h(1.29 KB)
?? item.h(276.43 KB)
?? item_cmpfunc.h(132.01 KB)
?? item_create.h(11.24 KB)
?? item_func.h(134.64 KB)
?? item_geofunc.h(38.16 KB)
?? item_jsonfunc.h(27.86 KB)
?? item_row.h(5.1 KB)
?? item_strfunc.h(75.33 KB)
?? item_subselect.h(57.63 KB)
?? item_sum.h(70.69 KB)
?? item_timefunc.h(63.85 KB)
?? item_vers.h(4.26 KB)
?? item_windowfunc.h(33.56 KB)
?? item_xmlfunc.h(4.52 KB)
?? json_schema.h(25.1 KB)
?? json_schema_helper.h(1.13 KB)
?? json_table.h(9.44 KB)
?? key.h(2.08 KB)
?? keycaches.h(1.94 KB)
?? lex.h(29.54 KB)
?? lex_charset.h(25.92 KB)
?? lex_hash.h(141.94 KB)
?? lex_ident.h(5.15 KB)
?? lex_string.h(4.77 KB)
?? lex_symbol.h(1.29 KB)
?? lex_token.h(42.01 KB)
?? lf.h(6.31 KB)
?? lock.h(2.2 KB)
?? log.h(51.28 KB)
?? log_cache.h(7.57 KB)
?? log_event.h(172.56 KB)
?? log_event_data_type.h(1.85 KB)
?? log_slow.h(2.38 KB)
?? maria.h(5.73 KB)
?? mariadb.h(1.25 KB)
?? mdl.h(37.65 KB)
?? mem_root_array.h(6.94 KB)
?? message.h(1.17 KB)
?? multi_range_read.h(22.65 KB)
?? my_apc.h(4.64 KB)
?? my_atomic.h(7.11 KB)
?? my_atomic_wrapper.h(2.98 KB)
?? my_base.h(27.28 KB)
?? my_bit.h(6.05 KB)
?? my_bitmap.h(5.37 KB)
?? my_check_opt.h(2.56 KB)
?? my_compare.h(10.87 KB)
?? my_counter.h(1.68 KB)
?? my_cpu.h(4.74 KB)
?? my_crypt.h(904 B)
?? my_decimal.h(14.15 KB)
?? my_default.h(1.84 KB)
?? my_handler_errors.h(4.77 KB)
?? my_json_writer.h(18.14 KB)
?? my_libwrap.h(1.16 KB)
?? my_md5.h(1.45 KB)
?? my_minidump.h(848 B)
?? my_nosys.h(1.4 KB)
?? my_rdtsc.h(9.88 KB)
?? my_rnd.h(1014 B)
?? my_service_manager.h(2.07 KB)
?? my_stack_alloc.h(6.34 KB)
?? my_stacktrace.h(3.14 KB)
?? my_time.h(10.17 KB)
?? my_tracker.h(1.37 KB)
?? my_tree.h(3.9 KB)
?? my_uctype.h(67.9 KB)
?? my_user.h(1.1 KB)
?? my_virtual_mem.h(1.1 KB)
?? myisam.h(17.18 KB)
?? myisamchk.h(4.62 KB)
?? myisammrg.h(4.78 KB)
?? myisampack.h(14.58 KB)
?? mysqld.h(41.11 KB)
?? mysqld_default_groups.h(204 B)
?? mysqld_suffix.h(1.17 KB)
?? mysys_err.h(2.99 KB)
?? opt_histogram_json.h(4.71 KB)
?? opt_range.h(64.78 KB)
?? opt_rewrite_date_cmp.h(3.84 KB)
?? opt_subselect.h(14.78 KB)
?? opt_trace.h(8.29 KB)
?? opt_trace_context.h(3.21 KB)
?? optimizer_costs.h(5.89 KB)
?? optimizer_defaults.h(7.37 KB)
?? parse_file.h(4.28 KB)
?? partition_element.h(5.3 KB)
?? partition_info.h(19.4 KB)
?? password.h(1.14 KB)
?? pfs_file_provider.h(3.08 KB)
?? pfs_idle_provider.h(1.35 KB)
?? pfs_memory_provider.h(1.59 KB)
?? pfs_metadata_provider.h(1.85 KB)
?? pfs_socket_provider.h(2.21 KB)
?? pfs_stage_provider.h(1.52 KB)
?? pfs_statement_provider.h(4.25 KB)
?? pfs_table_provider.h(2.56 KB)
?? pfs_thread_provider.h(5.43 KB)
?? pfs_transaction_provider.h(2.78 KB)
?? privilege.h(28.44 KB)
?? probes_mysql.h(973 B)
?? probes_mysql_dtrace.h(32.23 KB)
?? probes_mysql_nodtrace.h(5.94 KB)
?? procedure.h(6.63 KB)
?? protocol.h(12.27 KB)
?? providers
?? proxy_protocol.h(548 B)
?? queues.h(3.4 KB)
?? records.h(3.07 KB)
?? repl_failsafe.h(1.55 KB)
?? replication.h(15.2 KB)
?? rijndael.h(1.67 KB)
?? rowid_filter.h(16.03 KB)
?? rpl_constants.h(3.28 KB)
?? rpl_filter.h(4.66 KB)
?? rpl_gtid.h(29.95 KB)
?? rpl_injector.h(9.4 KB)
?? rpl_mi.h(16.29 KB)
?? rpl_parallel.h(17.8 KB)
?? rpl_record.h(1.49 KB)
?? rpl_reporting.h(3.63 KB)
?? rpl_rli.h(35.02 KB)
?? rpl_tblmap.h(3.1 KB)
?? rpl_utility.h(10.93 KB)
?? scheduler.h(3.12 KB)
?? scope.h(4.29 KB)
?? select_handler.h(3.34 KB)
?? semisync.h(2.23 KB)
?? semisync_master.h(25.16 KB)
?? semisync_master_ack_receiver.h(8.5 KB)
?? semisync_slave.h(3.65 KB)
?? service_versions.h(2.23 KB)
?? session_tracker.h(13.75 KB)
?? set_var.h(16.39 KB)
?? simple_tokenizer.h(1.97 KB)
?? slave.h(11.99 KB)
?? socketpair.h(842 B)
?? source_revision.h(67 B)
?? sp.h(23.11 KB)
?? sp_cache.h(1.99 KB)
?? sp_head.h(38.61 KB)
?? sp_instr.h(40.41 KB)
?? sp_pcontext.h(24.71 KB)
?? sp_rcontext.h(14.08 KB)
?? span.h(3.84 KB)
?? spatial.h(21.78 KB)
?? sql_acl.h(13.75 KB)
?? sql_admin.h(2.85 KB)
?? sql_alloc.h(1.69 KB)
?? sql_alter.h(15.08 KB)
?? sql_analyse.h(10.86 KB)
?? sql_analyze_stmt.h(12.4 KB)
?? sql_array.h(6.97 KB)
?? sql_audit.h(13.83 KB)
?? sql_base.h(25.87 KB)
?? sql_basic_types.h(9.3 KB)
?? sql_binlog.h(895 B)
?? sql_bitmap.h(7.88 KB)
?? sql_bootstrap.h(1.77 KB)
?? sql_cache.h(21.34 KB)
?? sql_callback.h(1.51 KB)
?? sql_class.h(270.56 KB)
?? sql_cmd.h(15.11 KB)
?? sql_connect.h(3.96 KB)
?? sql_const.h(10.07 KB)
?? sql_crypt.h(1.4 KB)
?? sql_cte.h(16.15 KB)
?? sql_cursor.h(4.14 KB)
?? sql_db.h(2.28 KB)
?? sql_debug.h(5.51 KB)
?? sql_delete.h(3.52 KB)
?? sql_derived.h(1.26 KB)
?? sql_digest.h(3.73 KB)
?? sql_digest_stream.h(1.53 KB)
?? sql_do.h(954 B)
?? sql_error.h(39.39 KB)
?? sql_explain.h(30.39 KB)
?? sql_expression_cache.h(4.26 KB)
?? sql_get_diagnostics.h(7.7 KB)
?? sql_handler.h(2.84 KB)
?? sql_help.h(995 B)
?? sql_hset.h(3.32 KB)
?? sql_i_s.h(8.29 KB)
?? sql_insert.h(5.05 KB)
?? sql_join_cache.h(47.52 KB)
?? sql_lex.h(174.22 KB)
?? sql_lifo_buffer.h(9.45 KB)
?? sql_limit.h(3.11 KB)
?? sql_list.h(21.87 KB)
?? sql_load.h(1.25 KB)
?? sql_locale.h(3.16 KB)
?? sql_manager.h(960 B)
?? sql_mode.h(6.58 KB)
?? sql_parse.h(8.31 KB)
?? sql_partition.h(12.38 KB)
?? sql_partition_admin.h(5.8 KB)
?? sql_plist.h(7.53 KB)
?? sql_plugin.h(7.4 KB)
?? sql_plugin_compat.h(2.18 KB)
?? sql_prepare.h(11.4 KB)
?? sql_priv.h(15.08 KB)
?? sql_profile.h(7.63 KB)
?? sql_reload.h(1.01 KB)
?? sql_rename.h(982 B)
?? sql_repl.h(2.99 KB)
?? sql_schema.h(3.23 KB)
?? sql_select.h(91 KB)
?? sql_sequence.h(5.06 KB)
?? sql_servers.h(1.74 KB)
?? sql_show.h(9.73 KB)
?? sql_signal.h(3.28 KB)
?? sql_sort.h(21.96 KB)
?? sql_statistics.h(16.41 KB)
?? sql_string.h(37.92 KB)
?? sql_table.h(9.52 KB)
?? sql_test.h(1.55 KB)
?? sql_time.h(7.24 KB)
?? sql_trigger.h(11.88 KB)
?? sql_truncate.h(2.03 KB)
?? sql_tvc.h(2.36 KB)
?? sql_type.h(291.25 KB)
?? sql_type_fixedbin.h(63.94 KB)
?? sql_type_fixedbin_storage.h(5.34 KB)
?? sql_type_geom.h(18.59 KB)
?? sql_type_int.h(9.77 KB)
?? sql_type_json.h(6.01 KB)
?? sql_type_real.h(1.23 KB)
?? sql_type_string.h(1.59 KB)
?? sql_type_timeofday.h(2.26 KB)
?? sql_udf.h(4.74 KB)
?? sql_union.h(1.04 KB)
?? sql_update.h(3.55 KB)
?? sql_used.h(1.02 KB)
?? sql_view.h(2.41 KB)
?? sql_window.h(6.65 KB)
?? ssl_compat.h(3.3 KB)
?? strfunc.h(2.22 KB)
?? structs.h(30.55 KB)
?? sys_vars_shared.h(2.67 KB)
?? t_ctype.h(5.51 KB)
?? table.h(118.11 KB)
?? table_cache.h(4.13 KB)
?? thr_lock.h(7.06 KB)
?? thr_malloc.h(1.17 KB)
?? thr_timer.h(1.53 KB)
?? thread_cache.h(5.77 KB)
?? threadpool.h(4.7 KB)
?? threadpool_generic.h(3.88 KB)
?? threadpool_winsockets.h(2.24 KB)
?? transaction.h(1.43 KB)
?? tzfile.h(4.9 KB)
?? tztime.h(3.65 KB)
?? uniques.h(4.13 KB)
?? unireg.h(7.76 KB)
?? vers_string.h(2.39 KB)
?? violite.h(9.85 KB)
?? waiting_threads.h(4.43 KB)
?? welcome_copyright_notice.h(1.42 KB)
?? winservice.h(5.88 KB)
?? wqueue.h(1.53 KB)
?? wsrep.h(3.23 KB)
?? wsrep_allowlist_service.h(1.01 KB)
?? wsrep_applier.h(2.64 KB)
?? wsrep_binlog.h(3.36 KB)
?? wsrep_client_service.h(2.5 KB)
?? wsrep_client_state.h(1.53 KB)
?? wsrep_condition_variable.h(1.45 KB)
?? wsrep_event_service.h(1.32 KB)
?? wsrep_high_priority_service.h(4.8 KB)
?? wsrep_mutex.h(1.21 KB)
?? wsrep_mysqld.h(20.93 KB)
?? wsrep_mysqld_c.h(1.2 KB)
?? wsrep_on.h(1.68 KB)
?? wsrep_plugin.h(1.35 KB)
?? wsrep_priv.h(1.6 KB)
?? wsrep_schema.h(5.48 KB)
?? wsrep_server_service.h(3.55 KB)
?? wsrep_server_state.h(3.06 KB)
?? wsrep_sst.h(3.86 KB)
?? wsrep_status.h(1.93 KB)
?? wsrep_storage_service.h(1.77 KB)
?? wsrep_thd.h(10.9 KB)
?? wsrep_trans_observer.h(17.75 KB)
?? wsrep_types.h(1.08 KB)
?? wsrep_utils.h(9.58 KB)
?? wsrep_var.h(4.25 KB)
?? wsrep_xid.h(1.51 KB)
?? xa.h(1.86 KB)

Editing: heap.h

This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA
*/

/* This file should be included when using heap_database_functions */
/* Author: Michael Widenius */

#ifndef _heap_h
#define _heap_h
#ifdef	__cplusplus
extern "C" {
#endif

#ifndef _my_base_h
#include <my_base.h>
#endif

#include <my_pthread.h>
#include <thr_lock.h>

#include "my_compare.h"
#include "my_tree.h"

/* defines used by heap-functions */

#define HP_MAX_LEVELS	4		/* 128^5 records is enough */
#define HP_PTRS_IN_NOD	128

/* struct used with heap_functions */

typedef struct st_heapinfo		/* Struct from heap_info */
{
  ulong records;			/* Records in database */
  ulong deleted;			/* Deleted records in database */
  ulong max_records;
  ulonglong data_length;
  ulonglong index_length;
  uint reclength;			/* Length of one record */
  int errkey;
  ulonglong auto_increment;
  time_t create_time;
} HEAPINFO;

/* Structs used by heap-database-handler */

typedef struct st_heap_ptrs
{
  uchar *blocks[HP_PTRS_IN_NOD];		/* pointers to HP_PTRS or records */
} HP_PTRS;

struct st_level_info
{
  /* Number of unused slots in *last_blocks HP_PTRS block (0 for 0th level) */
  uint free_ptrs_in_block;
  
  /*
    Maximum number of records that can be 'contained' inside of each element
    of last_blocks array. For level 0 - 1, for level 1 - HP_PTRS_IN_NOD, for 
    level 2 - HP_PTRS_IN_NOD^2 and so forth.
  */
  ulong records_under_level;

/*
    Ptr to last allocated HP_PTRS (or records buffer for level 0) on this 
    level.
  */
  HP_PTRS *last_blocks;			
};

/*
  Heap table records and hash index entries are stored in HP_BLOCKs.
  HP_BLOCK is used as a 'growable array' of fixed-size records. Size of record
  is recbuffer bytes.
  The internal representation is as follows:
  HP_BLOCK is a hierarchical structure of 'blocks'.
  A block at level 0 is an array records_in_block records. 
  A block at higher level is an HP_PTRS structure with pointers to blocks at 
  lower levels.
  At the highest level there is one top block. It is stored in HP_BLOCK::root.

See hp_find_block for a description of how record pointer is obtained from 
  its index.
  See hp_get_new_block 
*/

typedef struct st_heap_block
{
  HP_PTRS *root;                        /* Top-level block */ 
  struct st_level_info level_info[HP_MAX_LEVELS+1];
  uint levels;                          /* number of used levels */
  uint recbuffer;			/* Length of one saved record */
  ulong records_in_block;		/* Records in one heap-block */
  ulong last_allocated; /* number of records there is allocated space for */
  size_t alloc_size;			/* Allocate blocks of this size */
} HP_BLOCK;

struct st_heap_info;			/* For reference */

typedef struct st_hp_keydef		/* Key definition with open */
{
  uint flag;				/* HA_NOSAME | HA_NULL_PART_KEY */
  uint keysegs;				/* Number of key-segment */
  uint length;				/* Length of key (automatic) */
  uint8 algorithm;			/* HASH / BTREE */
  HA_KEYSEG *seg;
  HP_BLOCK block;			/* Where keys are saved */
  /*
    Number of buckets used in hash table. Used only to provide
    #records estimates for heap key scans.
  */
  ha_rows hash_buckets; 
  TREE rb_tree;
  int (*write_key)(struct st_heap_info *info, struct st_hp_keydef *keyinfo,
		   const uchar *record, uchar *recpos);
  int (*delete_key)(struct st_heap_info *info, struct st_hp_keydef *keyinfo,
		   const uchar *record, uchar *recpos, int flag);
  uint (*get_key_length)(struct st_hp_keydef *keydef, const uchar *key);
} HP_KEYDEF;

typedef struct st_heap_share
{
  HP_BLOCK block;
  HP_KEYDEF  *keydef;
  ulonglong data_length,index_length,max_table_size;
  ulonglong auto_increment;
  ulong min_records,max_records;	/* Params to open */
  ulong records;			/* records */
  ulong blength;			/* records rounded up to 2^n */
  ulong deleted;			/* Deleted records in database */
  uint key_stat_version;                /* version to indicate insert/delete */
  uint key_version;                     /* Updated on key change */
  uint file_version;                    /* Update on clear */
  uint reclength;			/* Length of one record */
  uint visible;                         /* Offset to the visible/deleted mark */
  uint changed;
  uint keys,max_key_length;
  uint currently_disabled_keys;    /* saved value from "keys" when disabled */
  uint open_count;
  uchar *del_link;			/* Link to next block with del. rec */
  char * name;			/* Name of "memory-file" */
  time_t create_time;
  THR_LOCK lock;
  my_bool delete_on_close;
  my_bool internal;                     /* Internal temporary table */
  LIST open_list;
  uint auto_key;
  uint auto_key_type;			/* real type of the auto key segment */
} HP_SHARE;

struct st_hp_hash_info;

typedef struct st_heap_info
{
  HP_SHARE *s;
  uchar *current_ptr;
  struct st_hp_hash_info *current_hash_ptr;
  ulong current_record,next_block;
  int lastinx,errkey;
  int  mode;				/* Mode of file (READONLY..) */
  uint opt_flag,update;
  uchar *lastkey;			/* Last used key with rkey */
  uchar *recbuf;                         /* Record buffer for rb-tree keys */
  enum ha_rkey_function last_find_flag;
  TREE_ELEMENT *parents[MAX_TREE_HEIGHT+1];
  TREE_ELEMENT **last_pos;
  uint key_version;                     /* Version at last read */
  uint file_version;                    /* Version at scan */
  uint lastkey_len;
  my_bool implicit_emptied;
  THR_LOCK_DATA lock;
  LIST open_list;
} HP_INFO;

typedef struct st_heap_create_info
{
  HP_KEYDEF *keydef;
  uint auto_key;                        /* keynr [1 - maxkey] for auto key */
  uint auto_key_type;
  uint keys;
  uint reclength;
  ulong max_records;
  ulong min_records;
  ulonglong max_table_size;
  ulonglong auto_increment;
  my_bool with_auto_increment;
  my_bool internal_table;
  /*
    TRUE if heap_create should 'pin' the created share by setting
    open_count to 1. Is only looked at if not internal_table.
  */
  my_bool pin_share;
} HP_CREATE_INFO;

/* Prototypes for heap-functions */

extern HP_INFO *heap_open(const char *name, int mode);
extern HP_INFO *heap_open_from_share(HP_SHARE *share, int mode);
extern HP_INFO *heap_open_from_share_and_register(HP_SHARE *share, int mode);
extern void heap_release_share(HP_SHARE *share, my_bool internal_table);
extern int heap_close(HP_INFO *info);
extern int heap_write(HP_INFO *info,const uchar *buff);
extern int heap_update(HP_INFO *info,const uchar *old,const uchar *newdata);
extern int heap_rrnd(HP_INFO *info,uchar *buf,uchar *pos);
extern int heap_scan_init(HP_INFO *info);
extern int heap_scan(HP_INFO *info, uchar *record);
extern int heap_delete(HP_INFO *info,const uchar *buff);
extern int heap_info(HP_INFO *info,HEAPINFO *x,int flag);
extern int heap_create(const char *name,
                       HP_CREATE_INFO *create_info, HP_SHARE **share,
                       my_bool *created_new_share);
extern int heap_delete_table(const char *name);
extern void heap_drop_table(HP_INFO *info);
extern int heap_extra(HP_INFO *info,enum ha_extra_function function);
extern int heap_reset(HP_INFO *info);
extern int heap_rename(const char *old_name,const char *new_name);
extern int heap_panic(enum ha_panic_function flag);
extern int heap_rsame(HP_INFO *info,uchar *record,int inx);
extern int heap_rnext(HP_INFO *info,uchar *record);
extern int heap_rprev(HP_INFO *info,uchar *record);
extern int heap_rfirst(HP_INFO *info,uchar *record,int inx);
extern int heap_rlast(HP_INFO *info,uchar *record,int inx);
extern void heap_clear(HP_INFO *info);
extern void heap_clear_keys(HP_INFO *info);
extern int heap_disable_indexes(HP_INFO *info);
extern int heap_enable_indexes(HP_INFO *info);
extern int heap_indexes_are_disabled(HP_INFO *info);
extern void heap_update_auto_increment(HP_INFO *info, const uchar *record);
ha_rows hp_rb_records_in_range(HP_INFO *info, int inx,
                               const key_range *min_key,
                               const key_range *max_key);
int hp_panic(enum ha_panic_function flag);
int heap_rkey(HP_INFO *info, uchar *record, int inx, const uchar *key,
              key_part_map keypart_map, enum ha_rkey_function find_flag);
extern uchar * heap_find(HP_INFO *info,int inx,const uchar *key);
extern int heap_check_heap(const HP_INFO *info, my_bool print_status);
extern uchar *heap_position(HP_INFO *info);

/* The following is for programs that uses the old HEAP interface where
   pointer to rows where a long instead of a (uchar*).
*/

#if defined(WANT_OLD_HEAP_VERSION) || defined(OLD_HEAP_VERSION)
extern int heap_rrnd_old(HP_INFO *info,uchar *buf,ulong pos);
extern ulong heap_position_old(HP_INFO *info);
#endif
#ifdef OLD_HEAP_VERSION
typedef ulong HEAP_PTR;
#define heap_position(A) heap_position_old(A)
#define heap_rrnd(A,B,C) heap_rrnd_old(A,B,C)
#else
typedef uchar *HEAP_PTR;
#endif

#ifdef	__cplusplus
}
#endif
#endif

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