{"async", OPT_ASYNC, '-', "Support asynchronous operation"},
{"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
{"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
{"async", OPT_ASYNC, '-', "Support asynchronous operation"},
{"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
{"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',