BIO_printf(bio_err," -msg          - Show protocol messages\n");
static void sc_usage(void)	{	BIO_printf(bio_err,"usage: s_client args\n");	BIO_printf(bio_err,"\n");	BIO_printf(bio_err," -host host     - use -connect instead\n");	BIO_printf(bio_err," -port port     - use -connect instead\n");	BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);	BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");	BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");	BIO_printf(bio_err," -key arg      - Private key file to use, PEM format assumed, in cert file if\n");	BIO_printf(bio_err,"                 not specified but cert file is.\n");	BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");	BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");	BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");	BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");	BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");	BIO_printf(bio_err," -debug        - extra output\n");	BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");	BIO_printf(bio_err," -state        - print the 'ssl' states\n");#ifdef FIONBIO	BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");#endif	BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");	BIO_printf(bio_err," -quiet        - no s_client output\n");	BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");	BIO_printf(bio_err," -ssl2         - just use SSLv2\n");	BIO_printf(bio_err," -ssl3         - just use SSLv3\n");	BIO_printf(bio_err," -tls1         - just use TLSv1\n");	BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");	BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");	BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");	BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");	BIO_printf(bio_err,"                 command to see what is available\n");	BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");	BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);	}