static int add_entropy (const char *file);
static int ssl_socket_read (CONNECTION * conn, char *buf, size_t len);
static int ssl_socket_write (CONNECTION * conn, const char *buf, size_t len);
static int add_entropy (const char *file);
static int ssl_socket_read (CONNECTION * conn, char *buf, size_t len);
static int ssl_socket_write (CONNECTION * conn, const char *buf, size_t len);