BIO_CTRL_SET_CLOSE
#define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_SET_CLOSE: