st-transfer functions for transferring data over the network. st-sgml-ref @ST_TRANSFER_PASS_NEWLINE: specifies that the line terminator should be included in the line passed to STTransferLineCallback(). @ST_TRANSFER_UTF8: specifies that st_transfer_session_get() should fail if the body cannot be converted to UTF-8, and that st_transfer_session_get_by_line() should skip the body lines which cannot be converted to UTF-8. @ST_TRANSFER_PARSE_HTTP_CHARSET: specifies that charset information should be extracted from the HTTP Content-Type header, if present. To be used along with #ST_TRANSFER_UTF8. @ST_TRANSFER_PARSE_HTML_CHARSET: specifies that charset information should be extracted from the http-equiv="Content-Type" meta tag of the HTML header, if present. To be used along with #ST_TRANSFER_UTF8. @line: @data: @Returns: @session: @session: @url: @flags: @headers: @body: @err: @Returns: @session: @url: @flags: @headers: @body: @body_len: @err: @Returns: @session: @url: @flags: @header_cb: @header_data: @body_cb: @body_data: @err: @Returns: @url: @Returns: @url: @err: @Returns: @url: @cb: @data: @err: @Returns: @session: @url: @err: @Returns: @session: @url: @cb: @data: @err: @Returns: