Module xmlversion from libxml2

# ## Module xmlversion from libxml2

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compile-time version informations for the XML library ## Table of Contents
    #define ATTRIBUTE_UNUSED
    #define DEBUG_MEMORY_LOCATION
    #define LIBXML_ATTR_ALLOC_SIZE
    #define LIBXML_ATTR_FORMAT
    #define LIBXML_AUTOMATA_ENABLED
    #define LIBXML_C14N_ENABLED
    #define LIBXML_CATALOG_ENABLED
    #define LIBXML_DEBUG_ENABLED
    #define LIBXML_DEBUG_RUNTIME
    #define LIBXML_DOCB_ENABLED
    #define LIBXML_DOTTED_VERSION
    #define LIBXML_EXPR_ENABLED
    #define LIBXML_FTP_ENABLED
    #define LIBXML_HTML_ENABLED
    #define LIBXML_HTTP_ENABLED
    #define LIBXML_ICONV_ENABLED
    #define LIBXML_ICU_ENABLED
    #define LIBXML_ISO8859X_ENABLED
    #define LIBXML_LEGACY_ENABLED
    #define LIBXML_MODULES_ENABLED
    #define LIBXML_MODULE_EXTENSION
    #define LIBXML_OUTPUT_ENABLED
    #define LIBXML_PATTERN_ENABLED
    #define LIBXML_PUSH_ENABLED
    #define LIBXML_READER_ENABLED
    #define LIBXML_REGEXP_ENABLED
    #define LIBXML_SAX1_ENABLED
    #define LIBXML_SCHEMAS_ENABLED
    #define LIBXML_SCHEMATRON_ENABLED
    #define LIBXML_TEST_VERSION
    #define LIBXML_THREAD_ENABLED
    #define LIBXML_TREE_ENABLED
    #define LIBXML_UNICODE_ENABLED
    #define LIBXML_VALID_ENABLED
    #define LIBXML_VERSION
    #define LIBXML_VERSION_EXTRA
    #define LIBXML_VERSION_STRING
    #define LIBXML_WRITER_ENABLED
    #define LIBXML_XINCLUDE_ENABLED
    #define LIBXML_XPATH_ENABLED
    #define LIBXML_XPTR_ENABLED
    #define LIBXML_ZLIB_ENABLED
    #define WITHOUT_TRIO
    #define WITH_TRIO
    void	xmlCheckVersion			(int version)
## Description ### Macro: ATTRIBUTE_UNUSED
    #define ATTRIBUTE_UNUSED
Macro used to signal to GCC unused function parameters ### Macro: DEBUG_MEMORY_LOCATION
    #define DEBUG_MEMORY_LOCATION
Whether the memory debugging is configured in ### Macro: LIBXML_ATTR_ALLOC_SIZE
    #define LIBXML_ATTR_ALLOC_SIZE
Macro used to indicate to GCC this is an allocator function ### Macro: LIBXML_ATTR_FORMAT
    #define LIBXML_ATTR_FORMAT
Macro used to indicate to GCC the parameter are printf like ### Macro: LIBXML_AUTOMATA_ENABLED
    #define LIBXML_AUTOMATA_ENABLED
Whether the automata interfaces are compiled in ### Macro: LIBXML_C14N_ENABLED
    #define LIBXML_C14N_ENABLED
Whether the Canonicalization support is configured in ### Macro: LIBXML_CATALOG_ENABLED
    #define LIBXML_CATALOG_ENABLED
Whether the Catalog support is configured in ### Macro: LIBXML_DEBUG_ENABLED
    #define LIBXML_DEBUG_ENABLED
Whether Debugging module is configured in ### Macro: LIBXML_DEBUG_RUNTIME
    #define LIBXML_DEBUG_RUNTIME
Whether the runtime debugging is configured in ### Macro: LIBXML_DOCB_ENABLED
    #define LIBXML_DOCB_ENABLED
Whether the SGML Docbook support is configured in ### Macro: LIBXML_DOTTED_VERSION
    #define LIBXML_DOTTED_VERSION
the version string like "1.2.3" ### Macro: LIBXML_EXPR_ENABLED
    #define LIBXML_EXPR_ENABLED
Whether the formal expressions interfaces are compiled in ### Macro: LIBXML_FTP_ENABLED
    #define LIBXML_FTP_ENABLED
Whether the FTP support is configured in ### Macro: LIBXML_HTML_ENABLED
    #define LIBXML_HTML_ENABLED
Whether the HTML support is configured in ### Macro: LIBXML_HTTP_ENABLED
    #define LIBXML_HTTP_ENABLED
Whether the HTTP support is configured in ### Macro: LIBXML_ICONV_ENABLED
    #define LIBXML_ICONV_ENABLED
Whether iconv support is available ### Macro: LIBXML_ICU_ENABLED
    #define LIBXML_ICU_ENABLED
Whether icu support is available ### Macro: LIBXML_ISO8859X_ENABLED
    #define LIBXML_ISO8859X_ENABLED
Whether ISO-8859-* support is made available in case iconv is not ### Macro: LIBXML_LEGACY_ENABLED
    #define LIBXML_LEGACY_ENABLED
Whether the deprecated APIs are compiled in for compatibility ### Macro: LIBXML_MODULES_ENABLED
    #define LIBXML_MODULES_ENABLED
Whether the module interfaces are compiled in ### Macro: LIBXML_MODULE_EXTENSION
    #define LIBXML_MODULE_EXTENSION
the string suffix used by dynamic modules (usually shared libraries) ### Macro: LIBXML_OUTPUT_ENABLED
    #define LIBXML_OUTPUT_ENABLED
Whether the serialization/saving support is configured in ### Macro: LIBXML_PATTERN_ENABLED
    #define LIBXML_PATTERN_ENABLED
Whether the xmlPattern node selection interface is configured in ### Macro: LIBXML_PUSH_ENABLED
    #define LIBXML_PUSH_ENABLED
Whether the push parsing interfaces are configured in ### Macro: LIBXML_READER_ENABLED
    #define LIBXML_READER_ENABLED
Whether the xmlReader parsing interface is configured in ### Macro: LIBXML_REGEXP_ENABLED
    #define LIBXML_REGEXP_ENABLED
Whether the regular expressions interfaces are compiled in ### Macro: LIBXML_SAX1_ENABLED
    #define LIBXML_SAX1_ENABLED
Whether the older SAX1 interface is configured in ### Macro: LIBXML_SCHEMAS_ENABLED
    #define LIBXML_SCHEMAS_ENABLED
Whether the Schemas validation interfaces are compiled in ### Macro: LIBXML_SCHEMATRON_ENABLED
    #define LIBXML_SCHEMATRON_ENABLED
Whether the Schematron validation interfaces are compiled in ### Macro: LIBXML_TEST_VERSION
    #define LIBXML_TEST_VERSION
Macro to check that the libxml version in use is compatible with the version the software has been compiled against ### Macro: LIBXML_THREAD_ENABLED
    #define LIBXML_THREAD_ENABLED
Whether the thread support is configured in ### Macro: LIBXML_TREE_ENABLED
    #define LIBXML_TREE_ENABLED
Whether the DOM like tree manipulation API support is configured in ### Macro: LIBXML_UNICODE_ENABLED
    #define LIBXML_UNICODE_ENABLED
Whether the Unicode related interfaces are compiled in ### Macro: LIBXML_VALID_ENABLED
    #define LIBXML_VALID_ENABLED
Whether the DTD validation support is configured in ### Macro: LIBXML_VERSION
    #define LIBXML_VERSION
the version number: 1.2.3 value is 10203 ### Macro: LIBXML_VERSION_EXTRA
    #define LIBXML_VERSION_EXTRA
extra version information, used to show a CVS compilation ### Macro: LIBXML_VERSION_STRING
    #define LIBXML_VERSION_STRING
the version number string, 1.2.3 value is "10203" ### Macro: LIBXML_WRITER_ENABLED
    #define LIBXML_WRITER_ENABLED
Whether the xmlWriter saving interface is configured in ### Macro: LIBXML_XINCLUDE_ENABLED
    #define LIBXML_XINCLUDE_ENABLED
Whether XInclude is configured in ### Macro: LIBXML_XPATH_ENABLED
    #define LIBXML_XPATH_ENABLED
Whether XPath is configured in ### Macro: LIBXML_XPTR_ENABLED
    #define LIBXML_XPTR_ENABLED
Whether XPointer is configured in ### Macro: LIBXML_ZLIB_ENABLED
    #define LIBXML_ZLIB_ENABLED
Whether the Zlib support is compiled in ### Macro: WITHOUT_TRIO
    #define WITHOUT_TRIO
defined if the trio support should not be configured in ### Macro: WITH_TRIO
    #define WITH_TRIO
defined if the trio support need to be configured in ### Function: xmlCheckVersion
    void	xmlCheckVersion			(int version)
check the compiled lib version against the include one. This can warn or immediately kill the application
`version`: | the include version number
Daniel Veillard