Someone

 g++ -Wall -I/opt/curl/include -I/opt/libxml/include/libxml2 htmltitle.cc -o htmltitle -L/opt/curl/lib -L/opt/libxml/lib -lcurl -lxml2
htmltitle.cc:17:3: warning: multi-line comment
htmltitle.cc:25:33: error: libxml/HTMLparser.h: No such file or directory
htmltitle.cc:135: error: expected ‘,’ or ‘...’ before ‘*’ token
htmltitle.cc:136: error: ISO C++ forbids declaration of ‘xmlChar’ with no type
htmltitle.cc: In function ‘void StartElement(void*, int)’:
htmltitle.cc:140: error: ‘name’ was not declared in this scope
htmltitle.cc: At global scope:
htmltitle.cc:152: error: expected ‘,’ or ‘...’ before ‘*’ token
htmltitle.cc:152: error: ISO C++ forbids declaration of ‘xmlChar’ with no type
htmltitle.cc: In function ‘void EndElement(void*, int)’:
htmltitle.cc:156: error: ‘name’ was not declared in this scope
htmltitle.cc: At global scope:
htmltitle.cc:165: error: expected ‘,’ or ‘...’ before ‘*’ token
htmltitle.cc:166: error: ISO C++ forbids declaration of ‘xmlChar’ with no type
htmltitle.cc: In function ‘void handleCharacters(Context*, int)’:
htmltitle.cc:169: error: ‘chars’ was not declared in this scope
htmltitle.cc:169: error: ‘length’ was not declared in this scope
htmltitle.cc: At global scope:
htmltitle.cc:177: error: expected ‘,’ or ‘...’ before ‘*’ token
htmltitle.cc:178: error: ISO C++ forbids declaration of ‘xmlChar’ with no type
htmltitle.cc: In function ‘void Characters(void*, int)’:
htmltitle.cc:182: error: ‘chars’ was not declared in this scope
htmltitle.cc:182: error: ‘length’ was not declared in this scope
htmltitle.cc: At global scope:
htmltitle.cc:190: error: expected ‘,’ or ‘...’ before ‘*’ token
htmltitle.cc:191: error: ISO C++ forbids declaration of ‘xmlChar’ with no type
htmltitle.cc: In function ‘void cdata(void*, int)’:
htmltitle.cc:195: error: ‘chars’ was not declared in this scope
htmltitle.cc:195: error: ‘length’ was not declared in this scope
htmltitle.cc: At global scope:
htmltitle.cc:202: error: ‘htmlSAXHandler’ does not name a type
htmltitle.cc: In function ‘void parseHtml(const std::string&, std::string&)’:
htmltitle.cc:240: error: ‘htmlParserCtxtPtr’ was not declared in this scope
htmltitle.cc:240: error: expected `;' before ‘ctxt’
htmltitle.cc:243: error: ‘ctxt’ was not declared in this scope
htmltitle.cc:243: error: ‘saxHandler’ was not declared in this scope
htmltitle.cc:244: error: ‘XML_CHAR_ENCODING_NONE’ was not declared in this scope
htmltitle.cc:244: error: ‘htmlCreatePushParserCtxt’ was not declared in this scope
htmltitle.cc:246: error: ‘htmlParseChunk’ was not declared in this scope
htmltitle.cc:249: error: ‘htmlFreeParserCtxt’ was not declared in this s