in the module, how to get the http message body, and what does ngx_http_discard_request_body() do, thanks!

[jyf832004]

Hi,
  I am new to nginx,I want to write a module to process the http message body,how should i get it. And what does function  ngx_http_discard_request_body() do,does it
  just drop the http message body.Thanks in advance. 
2010-04-29



jyf832004
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