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      1 /*
      2  * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the OpenSSL license (the "License").  You may not use
      5  * this file except in compliance with the License.  You can obtain a copy
      6  * in the file LICENSE in the source distribution or at
      7  * https://www.openssl.org/source/license.html
      8  */
      9 
     10 #include <openssl/bio.h>
     11 
     12 struct bio_method_st {
     13     int type;
     14     char *name;
     15     int (*bwrite) (BIO *, const char *, size_t, size_t *);
     16     int (*bwrite_old) (BIO *, const char *, int);
     17     int (*bread) (BIO *, char *, size_t, size_t *);
     18     int (*bread_old) (BIO *, char *, int);
     19     int (*bputs) (BIO *, const char *);
     20     int (*bgets) (BIO *, char *, int);
     21     long (*ctrl) (BIO *, int, long, void *);
     22     int (*create) (BIO *);
     23     int (*destroy) (BIO *);
     24     long (*callback_ctrl) (BIO *, int, BIO_info_cb *);
     25 };
     26 
     27 void bio_free_ex_data(BIO *bio);
     28 void bio_cleanup(void);
     29 
     30 
     31 /* Old style to new style BIO_METHOD conversion functions */
     32 int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written);
     33 int bread_conv(BIO *bio, char *data, size_t datal, size_t *read);
     34