diff options
Diffstat (limited to 'openssl/include/openssl/bio.h')
| -rw-r--r-- | openssl/include/openssl/bio.h | 843 |
1 files changed, 843 insertions, 0 deletions
diff --git a/openssl/include/openssl/bio.h b/openssl/include/openssl/bio.h new file mode 100644 index 0000000..e268dc6 --- /dev/null +++ b/openssl/include/openssl/bio.h @@ -0,0 +1,843 @@ +/*
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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
+ */
+
+#ifndef OPENSSL_BIO_H
+# define OPENSSL_BIO_H
+# pragma once
+
+# include <openssl/macros.h>
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+# define HEADER_BIO_H
+# endif
+
+# include <openssl/e_os2.h>
+
+# ifndef OPENSSL_NO_STDIO
+# include <stdio.h>
+# endif
+# include <stdarg.h>
+
+# include <openssl/crypto.h>
+# include <openssl/bioerr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* There are the classes of BIOs */
+# define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
+# define BIO_TYPE_FILTER 0x0200
+# define BIO_TYPE_SOURCE_SINK 0x0400
+
+/* These are the 'types' of BIOs */
+# define BIO_TYPE_NONE 0
+# define BIO_TYPE_MEM ( 1|BIO_TYPE_SOURCE_SINK)
+# define BIO_TYPE_FILE ( 2|BIO_TYPE_SOURCE_SINK)
+
+# define BIO_TYPE_FD ( 4|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
+# define BIO_TYPE_SOCKET ( 5|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
+# define BIO_TYPE_NULL ( 6|BIO_TYPE_SOURCE_SINK)
+# define BIO_TYPE_SSL ( 7|BIO_TYPE_FILTER)
+# define BIO_TYPE_MD ( 8|BIO_TYPE_FILTER)
+# define BIO_TYPE_BUFFER ( 9|BIO_TYPE_FILTER)
+# define BIO_TYPE_CIPHER (10|BIO_TYPE_FILTER)
+# define BIO_TYPE_BASE64 (11|BIO_TYPE_FILTER)
+# define BIO_TYPE_CONNECT (12|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
+# define BIO_TYPE_ACCEPT (13|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
+
+# define BIO_TYPE_NBIO_TEST (16|BIO_TYPE_FILTER)/* server proxy BIO */
+# define BIO_TYPE_NULL_FILTER (17|BIO_TYPE_FILTER)
+# define BIO_TYPE_BIO (19|BIO_TYPE_SOURCE_SINK)/* half a BIO pair */
+# define BIO_TYPE_LINEBUFFER (20|BIO_TYPE_FILTER)
+# define BIO_TYPE_DGRAM (21|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
+# define BIO_TYPE_ASN1 (22|BIO_TYPE_FILTER)
+# define BIO_TYPE_COMP (23|BIO_TYPE_FILTER)
+# ifndef OPENSSL_NO_SCTP
+# define BIO_TYPE_DGRAM_SCTP (24|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
+# endif
+# define BIO_TYPE_CORE_TO_PROV (25|BIO_TYPE_FILTER)
+
+#define BIO_TYPE_START 128
+
+/*
+ * BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
+ * BIO_set_fp(in,stdin,BIO_NOCLOSE);
+ */
+# define BIO_NOCLOSE 0x00
+# define BIO_CLOSE 0x01
+
+/*
+ * These are used in the following macros and are passed to BIO_ctrl()
+ */
+# define BIO_CTRL_RESET 1/* opt - rewind/zero etc */
+# define BIO_CTRL_EOF 2/* opt - are we at the eof */
+# define BIO_CTRL_INFO 3/* opt - extra tit-bits */
+# define BIO_CTRL_SET 4/* man - set the 'IO' type */
+# define BIO_CTRL_GET 5/* man - get the 'IO' type */
+# define BIO_CTRL_PUSH 6/* opt - internal, used to signify change */
+# define BIO_CTRL_POP 7/* opt - internal, used to signify change */
+# define BIO_CTRL_GET_CLOSE 8/* man - set the 'close' on free */
+# define BIO_CTRL_SET_CLOSE 9/* man - set the 'close' on free */
+# define BIO_CTRL_PENDING 10/* opt - is their more data buffered */
+# define BIO_CTRL_FLUSH 11/* opt - 'flush' buffered output */
+# define BIO_CTRL_DUP 12/* man - extra stuff for 'duped' BIO */
+# define BIO_CTRL_WPENDING 13/* opt - number of bytes still to write */
+# define BIO_CTRL_SET_CALLBACK 14/* opt - set callback function */
+# define BIO_CTRL_GET_CALLBACK 15/* opt - set callback function */
+
+# define BIO_CTRL_PEEK 29/* BIO_f_buffer special */
+# define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */
+
+/* dgram BIO stuff */
+# define BIO_CTRL_DGRAM_CONNECT 31/* BIO dgram special */
+# define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected
+ * socket to be passed in */
+# define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */
+# define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */
+# define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */
+# define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */
+
+# define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */
+# define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation tiemd out */
+
+/* #ifdef IP_MTU_DISCOVER */
+# define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */
+/* #endif */
+
+# define BIO_CTRL_DGRAM_QUERY_MTU 40/* as kernel for current MTU */
+# define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47
+# define BIO_CTRL_DGRAM_GET_MTU 41/* get cached value for MTU */
+# define BIO_CTRL_DGRAM_SET_MTU 42/* set cached value for MTU.
+ * want to use this if asking
+ * the kernel fails */
+
+# define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was
+ * exceed in the previous write
+ * operation */
+
+# define BIO_CTRL_DGRAM_GET_PEER 46
+# define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */
+
+# define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45/* Next DTLS handshake timeout
+ * to adjust socket timeouts */
+# define BIO_CTRL_DGRAM_SET_DONT_FRAG 48
+
+# define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49
+
+/* Deliberately outside of OPENSSL_NO_SCTP - used in bss_dgram.c */
+# define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50
+# ifndef OPENSSL_NO_SCTP
+/* SCTP stuff */
+# define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51
+# define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52
+# define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53
+# define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60
+# define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61
+# define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62
+# define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63
+# define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64
+# define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65
+# define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70
+# endif
+
+# define BIO_CTRL_DGRAM_SET_PEEK_MODE 71
+
+/*
+ * internal BIO:
+ * # define BIO_CTRL_SET_KTLS_SEND 72
+ * # define BIO_CTRL_SET_KTLS_SEND_CTRL_MSG 74
+ * # define BIO_CTRL_CLEAR_KTLS_CTRL_MSG 75
+ */
+
+# define BIO_CTRL_GET_KTLS_SEND 73
+# define BIO_CTRL_GET_KTLS_RECV 76
+
+# define BIO_CTRL_DGRAM_SCTP_WAIT_FOR_DRY 77
+# define BIO_CTRL_DGRAM_SCTP_MSG_WAITING 78
+
+/* BIO_f_prefix controls */
+# define BIO_CTRL_SET_PREFIX 79
+# define BIO_CTRL_SET_INDENT 80
+# define BIO_CTRL_GET_INDENT 81
+
+# ifndef OPENSSL_NO_KTLS
+# define BIO_get_ktls_send(b) \
+ BIO_ctrl(b, BIO_CTRL_GET_KTLS_SEND, 0, NULL)
+# define BIO_get_ktls_recv(b) \
+ BIO_ctrl(b, BIO_CTRL_GET_KTLS_RECV, 0, NULL)
+# else
+# define BIO_get_ktls_send(b) (0)
+# define BIO_get_ktls_recv(b) (0)
+# endif
+
+/* modifiers */
+# define BIO_FP_READ 0x02
+# define BIO_FP_WRITE 0x04
+# define BIO_FP_APPEND 0x08
+# define BIO_FP_TEXT 0x10
+
+# define BIO_FLAGS_READ 0x01
+# define BIO_FLAGS_WRITE 0x02
+# define BIO_FLAGS_IO_SPECIAL 0x04
+# define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
+# define BIO_FLAGS_SHOULD_RETRY 0x08
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+/* This #define was replaced by an internal constant and should not be used. */
+# define BIO_FLAGS_UPLINK 0
+# endif
+
+# define BIO_FLAGS_BASE64_NO_NL 0x100
+
+/*
+ * This is used with memory BIOs:
+ * BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way;
+ * BIO_FLAGS_NONCLEAR_RST means we shouldn't clear data on reset.
+ */
+# define BIO_FLAGS_MEM_RDONLY 0x200
+# define BIO_FLAGS_NONCLEAR_RST 0x400
+# define BIO_FLAGS_IN_EOF 0x800
+
+typedef union bio_addr_st BIO_ADDR;
+typedef struct bio_addrinfo_st BIO_ADDRINFO;
+
+int BIO_get_new_index(void);
+void BIO_set_flags(BIO *b, int flags);
+int BIO_test_flags(const BIO *b, int flags);
+void BIO_clear_flags(BIO *b, int flags);
+
+# define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
+# define BIO_set_retry_special(b) \
+ BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
+# define BIO_set_retry_read(b) \
+ BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
+# define BIO_set_retry_write(b) \
+ BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
+
+/* These are normally used internally in BIOs */
+# define BIO_clear_retry_flags(b) \
+ BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
+# define BIO_get_retry_flags(b) \
+ BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
+
+/* These should be used by the application to tell why we should retry */
+# define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
+# define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
+# define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
+# define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
+# define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
+
+/*
+ * The next three are used in conjunction with the BIO_should_io_special()
+ * condition. After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int
+ * *reason); will walk the BIO stack and return the 'reason' for the special
+ * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return
+ * the code.
+ */
+/*
+ * Returned from the SSL bio when the certificate retrieval code had an error
+ */
+# define BIO_RR_SSL_X509_LOOKUP 0x01
+/* Returned from the connect BIO when a connect would have blocked */
+# define BIO_RR_CONNECT 0x02
+/* Returned from the accept BIO when an accept would have blocked */
+# define BIO_RR_ACCEPT 0x03
+
+/* These are passed by the BIO callback */
+# define BIO_CB_FREE 0x01
+# define BIO_CB_READ 0x02
+# define BIO_CB_WRITE 0x03
+# define BIO_CB_PUTS 0x04
+# define BIO_CB_GETS 0x05
+# define BIO_CB_CTRL 0x06
+
+/*
+ * The callback is called before and after the underling operation, The
+ * BIO_CB_RETURN flag indicates if it is after the call
+ */
+# define BIO_CB_RETURN 0x80
+# define BIO_CB_return(a) ((a)|BIO_CB_RETURN)
+# define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
+# define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
+
+typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi,
+ long argl, long ret);
+typedef long (*BIO_callback_fn_ex)(BIO *b, int oper, const char *argp,
+ size_t len, int argi,
+ long argl, int ret, size_t *processed);
+BIO_callback_fn BIO_get_callback(const BIO *b);
+void BIO_set_callback(BIO *b, BIO_callback_fn callback);
+
+BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b);
+void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback);
+
+char *BIO_get_callback_arg(const BIO *b);
+void BIO_set_callback_arg(BIO *b, char *arg);
+
+typedef struct bio_method_st BIO_METHOD;
+
+const char *BIO_method_name(const BIO *b);
+int BIO_method_type(const BIO *b);
+
+typedef int BIO_info_cb(BIO *, int, int);
+typedef BIO_info_cb bio_info_cb; /* backward compatibility */
+
+DEFINE_OR_DECLARE_STACK_OF(BIO)
+
+/* Prefix and suffix callback in ASN1 BIO */
+typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen,
+ void *parg);
+
+typedef void (*BIO_dgram_sctp_notification_handler_fn) (BIO *b,
+ void *context,
+ void *buf);
+# ifndef OPENSSL_NO_SCTP
+/* SCTP parameter structs */
+struct bio_dgram_sctp_sndinfo {
+ uint16_t snd_sid;
+ uint16_t snd_flags;
+ uint32_t snd_ppid;
+ uint32_t snd_context;
+};
+
+struct bio_dgram_sctp_rcvinfo {
+ uint16_t rcv_sid;
+ uint16_t rcv_ssn;
+ uint16_t rcv_flags;
+ uint32_t rcv_ppid;
+ uint32_t rcv_tsn;
+ uint32_t rcv_cumtsn;
+ uint32_t rcv_context;
+};
+
+struct bio_dgram_sctp_prinfo {
+ uint16_t pr_policy;
+ uint32_t pr_value;
+};
+# endif
+
+/*
+ * #define BIO_CONN_get_param_hostname BIO_ctrl
+ */
+
+# define BIO_C_SET_CONNECT 100
+# define BIO_C_DO_STATE_MACHINE 101
+# define BIO_C_SET_NBIO 102
+/* # define BIO_C_SET_PROXY_PARAM 103 */
+# define BIO_C_SET_FD 104
+# define BIO_C_GET_FD 105
+# define BIO_C_SET_FILE_PTR 106
+# define BIO_C_GET_FILE_PTR 107
+# define BIO_C_SET_FILENAME 108
+# define BIO_C_SET_SSL 109
+# define BIO_C_GET_SSL 110
+# define BIO_C_SET_MD 111
+# define BIO_C_GET_MD 112
+# define BIO_C_GET_CIPHER_STATUS 113
+# define BIO_C_SET_BUF_MEM 114
+# define BIO_C_GET_BUF_MEM_PTR 115
+# define BIO_C_GET_BUFF_NUM_LINES 116
+# define BIO_C_SET_BUFF_SIZE 117
+# define BIO_C_SET_ACCEPT 118
+# define BIO_C_SSL_MODE 119
+# define BIO_C_GET_MD_CTX 120
+/* # define BIO_C_GET_PROXY_PARAM 121 */
+# define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */
+# define BIO_C_GET_CONNECT 123
+# define BIO_C_GET_ACCEPT 124
+# define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
+# define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
+# define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
+# define BIO_C_FILE_SEEK 128
+# define BIO_C_GET_CIPHER_CTX 129
+# define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input
+ * value */
+# define BIO_C_SET_BIND_MODE 131
+# define BIO_C_GET_BIND_MODE 132
+# define BIO_C_FILE_TELL 133
+# define BIO_C_GET_SOCKS 134
+# define BIO_C_SET_SOCKS 135
+
+# define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
+# define BIO_C_GET_WRITE_BUF_SIZE 137
+# define BIO_C_MAKE_BIO_PAIR 138
+# define BIO_C_DESTROY_BIO_PAIR 139
+# define BIO_C_GET_WRITE_GUARANTEE 140
+# define BIO_C_GET_READ_REQUEST 141
+# define BIO_C_SHUTDOWN_WR 142
+# define BIO_C_NREAD0 143
+# define BIO_C_NREAD 144
+# define BIO_C_NWRITE0 145
+# define BIO_C_NWRITE 146
+# define BIO_C_RESET_READ_REQUEST 147
+# define BIO_C_SET_MD_CTX 148
+
+# define BIO_C_SET_PREFIX 149
+# define BIO_C_GET_PREFIX 150
+# define BIO_C_SET_SUFFIX 151
+# define BIO_C_GET_SUFFIX 152
+
+# define BIO_C_SET_EX_ARG 153
+# define BIO_C_GET_EX_ARG 154
+
+# define BIO_C_SET_CONNECT_MODE 155
+
+# define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
+# define BIO_get_app_data(s) BIO_get_ex_data(s,0)
+
+# define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
+
+# ifndef OPENSSL_NO_SOCK
+/* IP families we support, for BIO_s_connect() and BIO_s_accept() */
+/* Note: the underlying operating system may not support some of them */
+# define BIO_FAMILY_IPV4 4
+# define BIO_FAMILY_IPV6 6
+# define BIO_FAMILY_IPANY 256
+
+/* BIO_s_connect() */
+# define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0, \
+ (char *)(name))
+# define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1, \
+ (char *)(port))
+# define BIO_set_conn_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2, \
+ (char *)(addr))
+# define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f)
+# define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0))
+# define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1))
+# define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2))
+# define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL)
+# define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL)
+
+/* BIO_s_accept() */
+# define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0, \
+ (char *)(name))
+# define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1, \
+ (char *)(port))
+# define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0))
+# define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1))
+# define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2))
+# define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3))
+/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
+# define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL)
+# define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3, \
+ (char *)(bio))
+# define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f)
+# define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL)
+
+/* Aliases kept for backward compatibility */
+# define BIO_BIND_NORMAL 0
+# define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR
+# define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR
+# define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
+# define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
+
+/* BIO_s_accept() and BIO_s_connect() */
+# define BIO_do_connect(b) BIO_do_handshake(b)
+# define BIO_do_accept(b) BIO_do_handshake(b)
+# endif /* OPENSSL_NO_SOCK */
+
+# define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
+
+/* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */
+# define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
+# define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)(c))
+
+/* BIO_s_file() */
+# define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)(fp))
+# define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)(fpp))
+
+/* BIO_s_fd() and BIO_s_file() */
+# define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
+# define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
+
+/*
+ * name is cast to lose const, but might be better to route through a
+ * function so we can do it safely
+ */
+# ifdef CONST_STRICT
+/*
+ * If you are wondering why this isn't defined, its because CONST_STRICT is
+ * purely a compile-time kludge to allow const to be checked.
+ */
+int BIO_read_filename(BIO *b, const char *name);
+# else
+# define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
+ BIO_CLOSE|BIO_FP_READ,(char *)(name))
+# endif
+# define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
+ BIO_CLOSE|BIO_FP_WRITE,name)
+# define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
+ BIO_CLOSE|BIO_FP_APPEND,name)
+# define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
+ BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
+
+/*
+ * WARNING WARNING, this ups the reference count on the read bio of the SSL
+ * structure. This is because the ssl read BIO is now pointed to by the
+ * next_bio field in the bio. So when you free the BIO, make sure you are
+ * doing a BIO_free_all() to catch the underlying BIO.
+ */
+# define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)(ssl))
+# define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)(sslp))
+# define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
+# define BIO_set_ssl_renegotiate_bytes(b,num) \
+ BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL)
+# define BIO_get_num_renegotiates(b) \
+ BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL)
+# define BIO_set_ssl_renegotiate_timeout(b,seconds) \
+ BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL)
+
+/* defined in evp.h */
+/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)(md)) */
+
+# define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)(pp))
+# define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)(bm))
+# define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0, \
+ (char *)(pp))
+# define BIO_set_mem_eof_return(b,v) \
+ BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
+
+/* For the BIO_f_buffer() type */
+# define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
+# define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
+# define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
+# define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
+# define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
+
+/* Don't use the next one unless you know what you are doing :-) */
+# define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
+
+# define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
+# define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
+# define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
+# define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
+# define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
+# define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
+/* ...pending macros have inappropriate return type */
+size_t BIO_ctrl_pending(BIO *b);
+size_t BIO_ctrl_wpending(BIO *b);
+# define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
+# define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
+ cbp)
+# define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
+
+/* For the BIO_f_buffer() type */
+# define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
+# define BIO_buffer_peek(b,s,l) BIO_ctrl(b,BIO_CTRL_PEEK,(l),(s))
+
+/* For BIO_s_bio() */
+# define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
+# 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_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)
+size_t BIO_ctrl_get_write_guarantee(BIO *b);
+size_t BIO_ctrl_get_read_request(BIO *b);
+int BIO_ctrl_reset_read_request(BIO *b);
+
+/* ctrl macros for dgram */
+# define BIO_ctrl_dgram_connect(b,peer) \
+ (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)(peer))
+# define BIO_ctrl_set_connected(b,peer) \
+ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)(peer))
+# define BIO_dgram_recv_timedout(b) \
+ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
+# define BIO_dgram_send_timedout(b) \
+ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
+# define BIO_dgram_get_peer(b,peer) \
+ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)(peer))
+# define BIO_dgram_set_peer(b,peer) \
+ (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)(peer))
+# define BIO_dgram_get_mtu_overhead(b) \
+ (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)
+
+/* ctrl macros for BIO_f_prefix */
+# define BIO_set_prefix(b,p) BIO_ctrl((b), BIO_CTRL_SET_PREFIX, 0, (void *)(p))
+# define BIO_set_indent(b,i) BIO_ctrl((b), BIO_CTRL_SET_INDENT, (i), NULL)
+# define BIO_get_indent(b) BIO_ctrl((b), BIO_CTRL_GET_INDENT, 0, NULL)
+
+#define BIO_get_ex_new_index(l, p, newf, dupf, freef) \
+ CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef)
+int BIO_set_ex_data(BIO *bio, int idx, void *data);
+void *BIO_get_ex_data(const BIO *bio, int idx);
+uint64_t BIO_number_read(BIO *bio);
+uint64_t BIO_number_written(BIO *bio);
+
+/* For BIO_f_asn1() */
+int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
+ asn1_ps_func *prefix_free);
+int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
+ asn1_ps_func **pprefix_free);
+int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
+ asn1_ps_func *suffix_free);
+int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
+ asn1_ps_func **psuffix_free);
+
+const BIO_METHOD *BIO_s_file(void);
+BIO *BIO_new_file(const char *filename, const char *mode);
+# ifndef OPENSSL_NO_STDIO
+BIO *BIO_new_fp(FILE *stream, int close_flag);
+# endif
+BIO *BIO_new(const BIO_METHOD *type);
+int BIO_free(BIO *a);
+void BIO_set_data(BIO *a, void *ptr);
+void *BIO_get_data(BIO *a);
+void BIO_set_init(BIO *a, int init);
+int BIO_get_init(BIO *a);
+void BIO_set_shutdown(BIO *a, int shut);
+int BIO_get_shutdown(BIO *a);
+void BIO_vfree(BIO *a);
+int BIO_up_ref(BIO *a);
+int BIO_read(BIO *b, void *data, int dlen);
+int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes);
+int BIO_gets(BIO *bp, char *buf, int size);
+int BIO_write(BIO *b, const void *data, int dlen);
+int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written);
+int BIO_puts(BIO *bp, const char *buf);
+int BIO_indent(BIO *b, int indent, int max);
+long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
+long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp);
+void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
+long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
+BIO *BIO_push(BIO *b, BIO *append);
+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);
+void BIO_set_next(BIO *b, BIO *next);
+BIO *BIO_get_retry_BIO(BIO *bio, int *reason);
+int BIO_get_retry_reason(BIO *bio);
+void BIO_set_retry_reason(BIO *bio, int reason);
+BIO *BIO_dup_chain(BIO *in);
+
+int BIO_nread0(BIO *bio, char **buf);
+int BIO_nread(BIO *bio, char **buf, int num);
+int BIO_nwrite0(BIO *bio, char **buf);
+int BIO_nwrite(BIO *bio, char **buf, int num);
+
+long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi,
+ long argl, long ret);
+
+const BIO_METHOD *BIO_s_mem(void);
+const BIO_METHOD *BIO_s_secmem(void);
+BIO *BIO_new_mem_buf(const void *buf, int len);
+# ifndef OPENSSL_NO_SOCK
+const BIO_METHOD *BIO_s_socket(void);
+const BIO_METHOD *BIO_s_connect(void);
+const BIO_METHOD *BIO_s_accept(void);
+# endif
+const BIO_METHOD *BIO_s_fd(void);
+const BIO_METHOD *BIO_s_log(void);
+const BIO_METHOD *BIO_s_bio(void);
+const BIO_METHOD *BIO_s_null(void);
+const BIO_METHOD *BIO_f_null(void);
+const BIO_METHOD *BIO_f_buffer(void);
+const BIO_METHOD *BIO_f_linebuffer(void);
+const BIO_METHOD *BIO_f_nbio_test(void);
+const BIO_METHOD *BIO_f_prefix(void);
+# ifndef OPENSSL_NO_DGRAM
+const BIO_METHOD *BIO_s_datagram(void);
+int BIO_dgram_non_fatal_error(int error);
+BIO *BIO_new_dgram(int fd, int close_flag);
+# ifndef OPENSSL_NO_SCTP
+const BIO_METHOD *BIO_s_datagram_sctp(void);
+BIO *BIO_new_dgram_sctp(int fd, int close_flag);
+int BIO_dgram_is_sctp(BIO *bio);
+int BIO_dgram_sctp_notification_cb(BIO *b,
+ BIO_dgram_sctp_notification_handler_fn handle_notifications,
+ void *context);
+int BIO_dgram_sctp_wait_for_dry(BIO *b);
+int BIO_dgram_sctp_msg_waiting(BIO *b);
+# endif
+# endif
+
+# ifndef OPENSSL_NO_SOCK
+int BIO_sock_should_retry(int i);
+int BIO_sock_non_fatal_error(int error);
+int BIO_socket_wait(int fd, int for_read, time_t max_time);
+# endif
+int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds);
+int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds);
+
+int BIO_fd_should_retry(int i);
+int BIO_fd_non_fatal_error(int error);
+int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
+ void *u, const void *s, int len);
+int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
+ void *u, const void *s, int len, int indent);
+int BIO_dump(BIO *b, const void *bytes, int len);
+int BIO_dump_indent(BIO *b, const void *bytes, int len, int indent);
+# ifndef OPENSSL_NO_STDIO
+int BIO_dump_fp(FILE *fp, const void *s, int len);
+int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent);
+# endif
+int BIO_hex_string(BIO *out, int indent, int width, const void *data,
+ int datalen);
+
+# ifndef OPENSSL_NO_SOCK
+BIO_ADDR *BIO_ADDR_new(void);
+int BIO_ADDR_rawmake(BIO_ADDR *ap, int family,
+ const void *where, size_t wherelen, unsigned short port);
+void BIO_ADDR_free(BIO_ADDR *);
+void BIO_ADDR_clear(BIO_ADDR *ap);
+int BIO_ADDR_family(const BIO_ADDR *ap);
+int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l);
+unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap);
+char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric);
+char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric);
+char *BIO_ADDR_path_string(const BIO_ADDR *ap);
+
+const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai);
+int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai);
+int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai);
+int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai);
+const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai);
+void BIO_ADDRINFO_free(BIO_ADDRINFO *bai);
+
+enum BIO_hostserv_priorities {
+ BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV
+};
+int BIO_parse_hostserv(const char *hostserv, char **host, char **service,
+ enum BIO_hostserv_priorities hostserv_prio);
+enum BIO_lookup_type {
+ BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER
+};
+int BIO_lookup(const char *host, const char *service,
+ enum BIO_lookup_type lookup_type,
+ int family, int socktype, BIO_ADDRINFO **res);
+int BIO_lookup_ex(const char *host, const char *service,
+ int lookup_type, int family, int socktype, int protocol,
+ BIO_ADDRINFO **res);
+int BIO_sock_error(int sock);
+int BIO_socket_ioctl(int fd, long type, void *arg);
+int BIO_socket_nbio(int fd, int mode);
+int BIO_sock_init(void);
+# ifndef OPENSSL_NO_DEPRECATED_1_1_0
+# define BIO_sock_cleanup() while(0) continue
+# endif
+int BIO_set_tcp_ndelay(int sock, int turn_on);
+
+DEPRECATEDIN_1_1_0(struct hostent *BIO_gethostbyname(const char *name))
+DEPRECATEDIN_1_1_0(int BIO_get_port(const char *str, unsigned short *port_ptr))
+DEPRECATEDIN_1_1_0(int BIO_get_host_ip(const char *str, unsigned char *ip))
+DEPRECATEDIN_1_1_0(int BIO_get_accept_socket(char *host_port, int mode))
+DEPRECATEDIN_1_1_0(int BIO_accept(int sock, char **ip_port))
+
+union BIO_sock_info_u {
+ BIO_ADDR *addr;
+};
+enum BIO_sock_info_type {
+ BIO_SOCK_INFO_ADDRESS
+};
+int BIO_sock_info(int sock,
+ enum BIO_sock_info_type type, union BIO_sock_info_u *info);
+
+# define BIO_SOCK_REUSEADDR 0x01
+# define BIO_SOCK_V6_ONLY 0x02
+# define BIO_SOCK_KEEPALIVE 0x04
+# define BIO_SOCK_NONBLOCK 0x08
+# define BIO_SOCK_NODELAY 0x10
+
+int BIO_socket(int domain, int socktype, int protocol, int options);
+int BIO_connect(int sock, const BIO_ADDR *addr, int options);
+int BIO_bind(int sock, const BIO_ADDR *addr, int options);
+int BIO_listen(int sock, const BIO_ADDR *addr, int options);
+int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options);
+int BIO_closesocket(int sock);
+
+BIO *BIO_new_socket(int sock, int close_flag);
+BIO *BIO_new_connect(const char *host_port);
+BIO *BIO_new_accept(const char *host_port);
+# endif /* OPENSSL_NO_SOCK*/
+
+BIO *BIO_new_fd(int fd, int close_flag);
+
+int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
+ BIO **bio2, size_t writebuf2);
+/*
+ * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
+ * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default
+ * value.
+ */
+
+void BIO_copy_next_retry(BIO *b);
+
+/*
+ * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
+ */
+
+# define ossl_bio__attr__(x)
+# if defined(__GNUC__) && defined(__STDC_VERSION__) \
+ && !defined(__APPLE__)
+ /*
+ * Because we support the 'z' modifier, which made its appearance in C99,
+ * we can't use __attribute__ with pre C99 dialects.
+ */
+# if __STDC_VERSION__ >= 199901L
+# undef ossl_bio__attr__
+# define ossl_bio__attr__ __attribute__
+# if __GNUC__*10 + __GNUC_MINOR__ >= 44
+# define ossl_bio__printf__ __gnu_printf__
+# else
+# define ossl_bio__printf__ __printf__
+# endif
+# endif
+# endif
+int BIO_printf(BIO *bio, const char *format, ...)
+ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3)));
+int BIO_vprintf(BIO *bio, const char *format, va_list args)
+ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0)));
+int BIO_snprintf(char *buf, size_t n, const char *format, ...)
+ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4)));
+int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
+ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0)));
+# undef ossl_bio__attr__
+# undef ossl_bio__printf__
+
+
+BIO_METHOD *BIO_meth_new(int type, const char *name);
+void BIO_meth_free(BIO_METHOD *biom);
+int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int);
+int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t,
+ size_t *);
+int BIO_meth_set_write(BIO_METHOD *biom,
+ int (*write) (BIO *, const char *, int));
+int BIO_meth_set_write_ex(BIO_METHOD *biom,
+ int (*bwrite) (BIO *, const char *, size_t, size_t *));
+int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int);
+int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *);
+int BIO_meth_set_read(BIO_METHOD *biom,
+ int (*read) (BIO *, char *, int));
+int BIO_meth_set_read_ex(BIO_METHOD *biom,
+ int (*bread) (BIO *, char *, size_t, size_t *));
+int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *);
+int BIO_meth_set_puts(BIO_METHOD *biom,
+ int (*puts) (BIO *, const char *));
+int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int);
+int BIO_meth_set_gets(BIO_METHOD *biom,
+ int (*gets) (BIO *, char *, int));
+long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *);
+int BIO_meth_set_ctrl(BIO_METHOD *biom,
+ long (*ctrl) (BIO *, int, long, void *));
+int (*BIO_meth_get_create(const BIO_METHOD *bion)) (BIO *);
+int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *));
+int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *);
+int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *));
+long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom))
+ (BIO *, int, BIO_info_cb *);
+int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
+ long (*callback_ctrl) (BIO *, int,
+ BIO_info_cb *));
+
+# ifdef __cplusplus
+}
+# endif
+#endif
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