#define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
#define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
#define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
+#define BIO_set_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
/* macros with inappropriate type -- but ...pending macros use int too: */
#define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
#define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
BIO * BIO_pop(BIO *b);
void BIO_free_all(BIO *a);
BIO * BIO_find_type(BIO *b,int bio_type);
+BIO * BIO_next(BIO *b);
BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
int BIO_get_retry_reason(BIO *bio);
BIO * BIO_dup_chain(BIO *in);
#define BIO_F_CONN_CTRL 127
#define BIO_F_CONN_STATE 115
#define BIO_F_FILE_CTRL 116
+#define BIO_F_MEM_READ 128
#define BIO_F_MEM_WRITE 117
#define BIO_F_SSL_NEW 118
#define BIO_F_WSASTARTUP 119
#define BIO_R_BAD_HOSTNAME_LOOKUP 102
#define BIO_R_BROKEN_PIPE 124
#define BIO_R_CONNECT_ERROR 103
+#define BIO_R_EOF_ON_MEMORY_BIO 127
#define BIO_R_ERROR_SETTING_NBIO 104
#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106