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https://gitlab.com/drummyfish/anarch.git
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237 lines
6.4 KiB
C
237 lines
6.4 KiB
C
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/*
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* Summary: Chained hash tables
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* Description: This module implements the hash table support used in
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* various places in the library.
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*
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* Copy: See Copyright for the status of this software.
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*
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* Author: Bjorn Reese <bjorn.reese@systematic.dk>
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*/
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#ifndef __XML_HASH_H__
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#define __XML_HASH_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The hash table.
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*/
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typedef struct _xmlHashTable xmlHashTable;
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typedef xmlHashTable *xmlHashTablePtr;
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#ifdef __cplusplus
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}
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#endif
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#include <libxml/xmlversion.h>
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#include <libxml/parser.h>
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#include <libxml/dict.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Recent version of gcc produce a warning when a function pointer is assigned
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* to an object pointer, or vice versa. The following macro is a dirty hack
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* to allow suppression of the warning. If your architecture has function
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* pointers which are a different size than a void pointer, there may be some
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* serious trouble within the library.
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*/
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/**
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* XML_CAST_FPTR:
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* @fptr: pointer to a function
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*
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* Macro to do a casting from an object pointer to a
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* function pointer without encountering a warning from
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* gcc
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*
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* #define XML_CAST_FPTR(fptr) (*(void **)(&fptr))
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* This macro violated ISO C aliasing rules (gcc4 on s390 broke)
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* so it is disabled now
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*/
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#define XML_CAST_FPTR(fptr) fptr
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/*
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* function types:
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*/
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/**
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* xmlHashDeallocator:
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* @payload: the data in the hash
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* @name: the name associated
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*
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* Callback to free data from a hash.
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*/
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typedef void (*xmlHashDeallocator)(void *payload, const xmlChar *name);
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/**
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* xmlHashCopier:
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* @payload: the data in the hash
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* @name: the name associated
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*
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* Callback to copy data from a hash.
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*
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* Returns a copy of the data or NULL in case of error.
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*/
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typedef void *(*xmlHashCopier)(void *payload, const xmlChar *name);
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/**
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* xmlHashScanner:
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* @payload: the data in the hash
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* @data: extra scannner data
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* @name: the name associated
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*
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* Callback when scanning data in a hash with the simple scanner.
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*/
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typedef void (*xmlHashScanner)(void *payload, void *data, const xmlChar *name);
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/**
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* xmlHashScannerFull:
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* @payload: the data in the hash
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* @data: extra scannner data
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* @name: the name associated
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* @name2: the second name associated
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* @name3: the third name associated
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*
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* Callback when scanning data in a hash with the full scanner.
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*/
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typedef void (*xmlHashScannerFull)(void *payload, void *data,
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const xmlChar *name, const xmlChar *name2,
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const xmlChar *name3);
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/*
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* Constructor and destructor.
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*/
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XMLPUBFUN xmlHashTablePtr XMLCALL
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xmlHashCreate (int size);
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XMLPUBFUN xmlHashTablePtr XMLCALL
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xmlHashCreateDict(int size,
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xmlDictPtr dict);
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XMLPUBFUN void XMLCALL
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xmlHashFree (xmlHashTablePtr table,
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xmlHashDeallocator f);
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XMLPUBFUN void XMLCALL
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xmlHashDefaultDeallocator(void *entry,
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const xmlChar *name);
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/*
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* Add a new entry to the hash table.
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*/
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XMLPUBFUN int XMLCALL
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xmlHashAddEntry (xmlHashTablePtr table,
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const xmlChar *name,
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void *userdata);
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XMLPUBFUN int XMLCALL
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xmlHashUpdateEntry(xmlHashTablePtr table,
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const xmlChar *name,
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void *userdata,
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xmlHashDeallocator f);
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XMLPUBFUN int XMLCALL
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xmlHashAddEntry2(xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2,
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void *userdata);
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XMLPUBFUN int XMLCALL
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xmlHashUpdateEntry2(xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2,
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void *userdata,
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xmlHashDeallocator f);
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XMLPUBFUN int XMLCALL
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xmlHashAddEntry3(xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2,
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const xmlChar *name3,
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void *userdata);
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XMLPUBFUN int XMLCALL
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xmlHashUpdateEntry3(xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2,
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const xmlChar *name3,
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void *userdata,
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xmlHashDeallocator f);
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/*
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* Remove an entry from the hash table.
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*/
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XMLPUBFUN int XMLCALL
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xmlHashRemoveEntry(xmlHashTablePtr table, const xmlChar *name,
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xmlHashDeallocator f);
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XMLPUBFUN int XMLCALL
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xmlHashRemoveEntry2(xmlHashTablePtr table, const xmlChar *name,
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const xmlChar *name2, xmlHashDeallocator f);
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XMLPUBFUN int XMLCALL
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xmlHashRemoveEntry3(xmlHashTablePtr table, const xmlChar *name,
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const xmlChar *name2, const xmlChar *name3,
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xmlHashDeallocator f);
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/*
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* Retrieve the userdata.
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*/
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XMLPUBFUN void * XMLCALL
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xmlHashLookup (xmlHashTablePtr table,
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const xmlChar *name);
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XMLPUBFUN void * XMLCALL
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xmlHashLookup2 (xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2);
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XMLPUBFUN void * XMLCALL
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xmlHashLookup3 (xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2,
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const xmlChar *name3);
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XMLPUBFUN void * XMLCALL
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xmlHashQLookup (xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *prefix);
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XMLPUBFUN void * XMLCALL
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xmlHashQLookup2 (xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *prefix,
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const xmlChar *name2,
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const xmlChar *prefix2);
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XMLPUBFUN void * XMLCALL
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xmlHashQLookup3 (xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *prefix,
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const xmlChar *name2,
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const xmlChar *prefix2,
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const xmlChar *name3,
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const xmlChar *prefix3);
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/*
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* Helpers.
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*/
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XMLPUBFUN xmlHashTablePtr XMLCALL
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xmlHashCopy (xmlHashTablePtr table,
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xmlHashCopier f);
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XMLPUBFUN int XMLCALL
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xmlHashSize (xmlHashTablePtr table);
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XMLPUBFUN void XMLCALL
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xmlHashScan (xmlHashTablePtr table,
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xmlHashScanner f,
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void *data);
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XMLPUBFUN void XMLCALL
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xmlHashScan3 (xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2,
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const xmlChar *name3,
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xmlHashScanner f,
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void *data);
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XMLPUBFUN void XMLCALL
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xmlHashScanFull (xmlHashTablePtr table,
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xmlHashScannerFull f,
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void *data);
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XMLPUBFUN void XMLCALL
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xmlHashScanFull3(xmlHashTablePtr table,
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const xmlChar *name,
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const xmlChar *name2,
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const xmlChar *name3,
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xmlHashScannerFull f,
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void *data);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ! __XML_HASH_H__ */
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