[xml] search for a match in the tree and return a node pointer

["Zichao Mao" <mzichao hotmail com>]

Hi,

I want to search for a match in the tree and return a node pointer.  I don't 
know what functions to use in libxml2. Here's my code:

??? findContent (const char* searchStr, xmlNodePtr cur)
{
xmlNodePtr cur_node = NULL;
for (cur_node = cur; cur_node; cur_node = cur_node->next)
{
if (!xmlStrcmp(cur->name, (const xmlChar*)searchChar)) return ???;
else if (!xmlStrcmp(cur->name, (const xmlChar*)searchChar)) return ???;
}
}

Then, in the next function, FindAllContents(???) //something like, 
xmlNodePtr ptr
{
//location pointer from FindContent() is the input, output returns all items 
and contents for that node; what structures or functions should I use?
}

A code example would be helpful.  Thank you.

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