|  | /* | 
|  | * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. | 
|  | * | 
|  | * Licensed under the OpenSSL license (the "License").  You may not use | 
|  | * this file except in compliance with the License.  You can obtain a copy | 
|  | * in the file LICENSE in the source distribution or at | 
|  | * https://www.openssl.org/source/license.html | 
|  | */ | 
|  |  | 
|  | #include <openssl/bio.h> | 
|  |  | 
|  | struct bio_method_st { | 
|  | int type; | 
|  | char *name; | 
|  | int (*bwrite) (BIO *, const char *, size_t, size_t *); | 
|  | int (*bwrite_old) (BIO *, const char *, int); | 
|  | int (*bread) (BIO *, char *, size_t, size_t *); | 
|  | int (*bread_old) (BIO *, char *, int); | 
|  | int (*bputs) (BIO *, const char *); | 
|  | int (*bgets) (BIO *, char *, int); | 
|  | long (*ctrl) (BIO *, int, long, void *); | 
|  | int (*create) (BIO *); | 
|  | int (*destroy) (BIO *); | 
|  | long (*callback_ctrl) (BIO *, int, BIO_info_cb *); | 
|  | }; | 
|  |  | 
|  | void bio_free_ex_data(BIO *bio); | 
|  | void bio_cleanup(void); | 
|  |  | 
|  |  | 
|  | /* Old style to new style BIO_METHOD conversion functions */ | 
|  | int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written); | 
|  | int bread_conv(BIO *bio, char *data, size_t datal, size_t *read); |