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curl_multi_info_read(3)	 libcurl Manual	  curl_multi_info_read(3)

     curl_multi_info_read - read multi stack informationals

     #include <curl/curl.h>

     CURLMsg *curl_multi_info_read( CURLM *multi_handle,
				    int *msgs_in_queue);

     Ask    the	   multi    handle    if    there     are     any
     messages/informationals  from the individual transfers. Mes-
     sages may include informationals such as an error code  from
     the  transfer or just the fact that a transfer is completed.
     More details on these should be written down as well.

     Repeated calls to this function will  return  a  new  struct
     each  time,  until a NULL is returned as a signal that there
     is no more to get at this point. The integer pointed to with
     msgs_in_queue  will contain the number of remaining messages
     after this function was called.

     The data the returned pointer points  to  will  not  survive
     calling		   curl_multi_cleanup(3)	       or

     The 'CURLMsg' struct is very simple and  only  contain  very
     basic  information.  If more involved information is wanted,
     the particular "easy handle" in present in that  struct  and
     can  thus be used in subsequent regular curl_easy_getinfo(3)
     calls (or similar):

      struct CURLMsg {
	CURLMSG msg;	   /* what this message means */
	CURL *easy_handle; /* the handle it concerns */
	union {
	  void *whatever;    /* message-specific data */
	  CURLcode result;   /* return code for transfer */
	} data;

     A pointer to a filled-in struct, or NULL if it failed or ran
     out  of  structs. It also writes the number of messages left
     in the queue (after this read) in	the  integer  the  second
     argument points to.

     curl_multi_cleanup(3),		      curl_multi_init(3),

libcurl 7.10.3	    Last change: 18 Dec 2004			1

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