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Function xn_pop_mailsize

Function xn_pop_mailsize retrieves the size of one or more messages on the POP3 server.

int xn_pop_mailsize(pop_context * context, 
                    long        * mail_sizes, 
                    int           first_msg, 
                    int           num_msgs);

Parameters

context

Pointer to the context of the current session. *context must have been initialized by xn_pop_client.

mail_sizes

Pointer to an array of long values to receive the returned data.

first_msg

1-based index of the first message to query.

num_msgs

Number of long values available in the array pointed to by mail_sizes.

return value

Returns 0 if successful, otherwise SOCKET_ERROR. If an error occurred, call xn_getlasterror and xn_geterror_string to return the error value. Section Error Codes further describes each error.

Possible values for this function are:

If the function succeeds, mailsizes[0] will contain the size of the message with index first_msg; mailsizes[1] will contain the size of the message with index first_msg+1, etc. Any unused entries in mail_sizes[] are set to -1.

POP3 Client

Function xn_pop_mailinfo

Function xn_pop_RETR_next