BIO_CLOSE
BIO_CLOSE|BIO_FP_READ,(char *)name)
BIO_CLOSE|BIO_FP_WRITE,name)
BIO_CLOSE|BIO_FP_APPEND,name)
BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
bio = BIO_new_socket(i, BIO_CLOSE);
BIO_set_fp(ret, file, BIO_CLOSE);
b->shutdown = (int)num&BIO_CLOSE;
b->shutdown = (int)num&BIO_CLOSE;
BIO_set_ssl(ret, ssl, BIO_CLOSE);
if ((bio = BIO_new_fp(f, BIO_CLOSE)) == NULL) {
BIO_set_ssl(ssl_bio, con, BIO_CLOSE);