Suggestion: feeding received data to other libraries such as expat

[gevaerts]

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The expat xml library (https://github.com/libexpat/libexpat) wants its data in a way that is well matched with the curl API. This (or some other similar library) may be worth showing.

The libcurl "xmlstream" example does exactly this.

[bagder]

Agreed. Shows real-world use of the write callback other than just saving it like in the "receive data" episode.

The xmlstream example: https://curl.haxx.se/libcurl/c/xmlstream.html