if_is_ssl
int is_ssl = if_is_ssl(ifname, port, ssl_port, tls_additional_port);
int if_is_ssl(const char* ifname, int default_port, int ssl_port,
int is_ssl = if_is_ssl(ifname, port, ssl_port, tls_additional_port);
int if_is_ssl(const char* ifname, int default_port, int ssl_port,