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diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h
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+/* crypto/bio/bio.h */
+/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#ifndef HEADER_BIO_H
+#define HEADER_BIO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* These are the 'types' of BIOs */
+#define BIO_TYPE_NONE 0
+#define BIO_TYPE_MEM (1|0x0400)
+#define BIO_TYPE_FILE (2|0x0400)
+
+#define BIO_TYPE_FD (4|0x0400|0x0100)
+#define BIO_TYPE_SOCKET (5|0x0400|0x0100)
+#define BIO_TYPE_NULL (6|0x0400)
+#define BIO_TYPE_SSL (7|0x0200)
+#define BIO_TYPE_MD (8|0x0200) /* pasive filter */
+#define BIO_TYPE_BUFFER (9|0x0200) /* filter */
+#define BIO_TYPE_CIPHER (10|0x0200) /* filter */
+#define BIO_TYPE_BASE64 (11|0x0200) /* filter */
+#define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
+#define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
+#define BIO_TYPE_PROXY_CLIENT (14|0x0400) /* client proxy BIO */
+#define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
+#define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
+#define BIO_TYPE_NULL_FILTER (17|0x0200)
+
+#define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
+#define BIO_TYPE_FILTER 0x0200
+#define BIO_TYPE_SOURCE_SINK 0x0400
+
+/* 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_FILENAME 30 /* BIO_s_file special */
+
+/* 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
+
+/* Mostly used in the SSL BIO */
+#define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
+#define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
+#define BIO_FLAGS_PROTOCOL_STARTUP 0x40
+
+#define BIO_set_flags(b,f) ((b)->flags|=(f))
+#define BIO_set_retry_special(b) \
+ ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
+#define BIO_set_retry_read(b) \
+ ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
+#define BIO_set_retry_write(b) \
+ ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
+
+/* These are normally used internally in BIOs */
+#define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
+#define BIO_clear_retry_flags(b) \
+ ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
+#define BIO_get_retry_flags(b) \
+ ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
+
+/* These shouldbe used by the application to tell why we should retry */
+#define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ)
+#define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE)
+#define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL)
+#define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS)
+#define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
+
+/* The next two 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
+
+/* 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)
+
+#define BIO_set_callback(b,cb) ((b)->callback=(cb))
+#define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg))
+#define BIO_get_callback_arg(b) ((b)->cb_arg)
+#define BIO_get_callback(b) ((b)->callback)
+#define BIO_method_name(b) ((b)->method->name)
+#define BIO_method_type(b) ((b)->method->type)
+
+#ifndef WIN16
+typedef struct bio_method_st
+ {
+ int type;
+ char *name;
+ int (*bwrite)();
+ int (*bread)();
+ int (*bputs)();
+ int (*bgets)();
+ long (*ctrl)();
+ int (*create)();
+ int (*destroy)();
+ } BIO_METHOD;
+#else
+typedef struct bio_method_st
+ {
+ int type;
+ char *name;
+ int (_far *bwrite)();
+ int (_far *bread)();
+ int (_far *bputs)();
+ int (_far *bgets)();
+ long (_far *ctrl)();
+ int (_far *create)();
+ int (_far *destroy)();
+ } BIO_METHOD;
+#endif
+
+typedef struct bio_st
+ {
+ BIO_METHOD *method;
+#ifndef NOPROTO
+ /* bio, mode, argp, argi, argl, ret */
+ long (*callback)(struct bio_st *,int,char *,int, long,long);
+#else
+ long (*callback)();
+#endif
+ char *cb_arg; /* first argument for the callback */
+
+ int init;
+ int shutdown;
+ int flags; /* extra storage */
+ int retry_reason;
+ int num;
+ char *ptr;
+ struct bio_st *next_bio; /* used by filter BIOs */
+ struct bio_st *prev_bio; /* used by filter BIOs */
+ int references;
+ unsigned long num_read;
+ unsigned long num_write;
+
+ char *app_data;
+ } BIO;
+
+typedef struct bio_f_buffer_ctx_struct
+ {
+ /* BIO *bio; */ /* this is now in the BIO struct */
+ int ibuf_size; /* how big is the input buffer */
+ int obuf_size; /* how big is the output buffer */
+
+ char *ibuf; /* the char array */
+ int ibuf_len; /* how many bytes are in it */
+ int ibuf_off; /* write/read offset */
+
+ char *obuf; /* the char array */
+ int obuf_len; /* how many bytes are in it */
+ int obuf_off; /* write/read offset */
+ } BIO_F_BUFFER_CTX;
+
+#define BIO_number_read(b) ((b)->num_read)
+#define BIO_number_written(b) ((b)->num_write)
+
+#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_set_app_data(s,arg) ((s)->app_data=(char *)arg)
+#define BIO_get_app_data(s) ((s)->app_data)
+
+/* BIO_s_connect_socket() */
+#define BIO_set_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
+#define BIO_set_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
+#define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
+
+/* BIO_s_accept_socket() */
+#define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
+/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
+#define BIO_set_nbio_accpet(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
+#define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
+
+#define BIO_do_connect(b) BIO_do_handshake(b)
+#define BIO_do_accept(b) BIO_do_handshake(b)
+#define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
+
+/* BIO_s_proxy_client() */
+#define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
+#define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
+/* BIO_set_nbio(b,n) */
+#define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
+/* BIO *BIO_get_filter_bio(BIO *bio); */
+#define BIO_set_proxy_cb(b,cb) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(char *)(cb))
+#define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
+
+#define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
+#define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
+#define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
+
+#define BIO_set_fd(b,fd,c) BIO_ctrl_int(b,BIO_C_SET_FD,c,fd)
+#define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
+
+#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)
+
+#define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
+ BIO_CLOSE|BIO_FP_READ,name)
+#define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
+ BIO_CLOSE|BIO_FP_WRITE,name)
+#define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
+ BIO_CLOSE|BIO_FP_APPEND,name)
+
+#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)
+
+/* defined in evp.h */
+/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
+
+#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)
+
+/* 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_ctrl_int(b,BIO_C_SET_BUFF_SIZE,size,0)
+#define BIO_set_write_buffer_size(b,size) BIO_ctrl_int(b,BIO_C_SET_BUFF_SIZE,size,1)
+
+/* 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)
+#define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
+
+/* For the BIO_f_buffer() type */
+#define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
+
+#ifndef NOPROTO
+BIO * BIO_new(BIO_METHOD *type);
+int BIO_set(BIO *a,BIO_METHOD *type);
+int BIO_free(BIO *a);
+int BIO_read(BIO *b, char *data, int len);
+int BIO_gets(BIO *bp,char *buf, int size);
+int BIO_write(BIO *b, char *data, int len);
+int BIO_puts(BIO *bp,char *buf);
+long BIO_ctrl(BIO *bp,int cmd,long larg,char *parg);
+long BIO_ctrl_int(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_get_retry_BIO(BIO *bio, int *reason);
+int BIO_get_retry_reason(BIO *bio);
+BIO * BIO_dup_chain(BIO *in);
+
+#ifndef WIN16
+long BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
+ long argl,long ret);
+#else
+long _far _loadds BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
+ long argl,long ret);
+#endif
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO_METHOD *BIO_s_file(void);
+#else
+BIO_METHOD *BIO_s_file_internal_w16(void);
+#endif
+
+BIO_METHOD *BIO_s_mem(void);
+BIO_METHOD *BIO_s_socket(void);
+BIO_METHOD *BIO_s_connect(void);
+BIO_METHOD *BIO_s_accept(void);
+BIO_METHOD *BIO_s_fd(void);
+BIO_METHOD *BIO_s_null(void);
+BIO_METHOD *BIO_f_null(void);
+BIO_METHOD *BIO_f_nbio_test(void);
+BIO_METHOD *BIO_f_buffer(void);
+
+int BIO_sock_should_retry(int i);
+int BIO_sock_non_fatal_error(int error);
+int BIO_fd_should_retry(int i);
+int BIO_fd_non_fatal_error(int error);
+int BIO_dump(BIO *b,char *bytes,int len);
+
+struct hostent *BIO_gethostbyname(char *name);
+int BIO_sock_error(int sock);
+int BIO_socket_ioctl(int fd, long type, unsigned long *arg);
+int BIO_get_port(char *str, short *port_ptr);
+int BIO_get_host_ip(char *str, unsigned char *ip);
+int BIO_get_accept_socket(char *host_port);
+int BIO_accept(int sock,char **ip_port);
+int BIO_sock_init(void );
+void BIO_sock_cleanup(void);
+int BIO_set_tcp_ndelay(int sock,int turn_on);
+
+void ERR_load_BIO_strings(void );
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO *BIO_new_file(char *filename, char *mode);
+BIO *BIO_new_fp(FILE *stream, int close_flag);
+#endif
+BIO *BIO_new_socket(int sock, int close_flag);
+BIO *BIO_new_fd(int fd, int close_flag);
+BIO *BIO_new_connect(char *host_port);
+BIO *BIO_new_accept(char *host_port);
+
+void BIO_copy_next_retry(BIO *b);
+
+#else
+
+BIO * BIO_new();
+int BIO_set();
+int BIO_free();
+int BIO_read();
+int BIO_gets();
+int BIO_write();
+int BIO_puts();
+long BIO_ctrl();
+long BIO_ctrl_int();
+BIO * BIO_push();
+BIO * BIO_pop();
+void BIO_free_all();
+BIO * BIO_find_type();
+BIO * BIO_get_retry_BIO();
+int BIO_get_retry_reason();
+BIO * BIO_dup_chain();
+
+#ifndef WIN16
+long BIO_debug_callback();
+#else
+long _far _loadds BIO_debug_callback();
+#endif
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO_METHOD *BIO_s_file();
+#else
+BIO_METHOD *BIO_s_file_internal_w16();
+#endif
+
+BIO_METHOD *BIO_s_mem();
+BIO_METHOD *BIO_s_socket();
+BIO_METHOD *BIO_s_connect();
+BIO_METHOD *BIO_s_accept();
+BIO_METHOD *BIO_s_fd();
+BIO_METHOD *BIO_s_null();
+BIO_METHOD *BIO_f_null();
+BIO_METHOD *BIO_f_buffer();
+BIO_METHOD *BIO_f_nbio_test();
+
+int BIO_sock_should_retry();
+int BIO_sock_non_fatal_error();
+int BIO_fd_should_retry();
+int BIO_fd_non_fatal_error();
+int BIO_dump();
+
+struct hostent *BIO_gethostbyname();
+int BIO_sock_error();
+int BIO_socket_ioctl();
+int BIO_get_port();
+int BIO_get_host_ip();
+int BIO_get_accept_socket();
+int BIO_accept();
+int BIO_sock_init();
+void BIO_sock_cleanup();
+int BIO_set_tcp_ndelay();
+
+void ERR_load_BIO_strings();
+
+#if !defined(WIN16) || defined(APPS_WIN16)
+BIO *BIO_new_file();
+BIO *BIO_new_fp();
+#endif
+BIO *BIO_new_socket();
+BIO *BIO_new_fd();
+BIO *BIO_new_connect();
+BIO *BIO_new_accept();
+
+void BIO_copy_next_retry();
+
+#endif
+
+/* Tim Hudson's portable varargs stuff */
+
+#ifndef NOPROTO
+#define VAR_ANSI /* select ANSI version by default */
+#endif
+
+#ifdef VAR_ANSI
+/* ANSI version of a "portable" macro set for variable length args */
+#ifndef __STDARG_H__ /**/
+#include <stdarg.h>
+#endif /**/
+
+#define VAR_PLIST(arg1type,arg1) arg1type arg1, ...
+#define VAR_PLIST2(arg1type,arg1,arg2type,arg2) arg1type arg1,arg2type arg2,...
+#define VAR_ALIST
+#define VAR_BDEFN(args,arg1type,arg1) va_list args
+#define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2) va_list args
+#define VAR_INIT(args,arg1type,arg1) va_start(args,arg1);
+#define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args,arg2);
+#define VAR_ARG(args,type,arg) arg=va_arg(args,type)
+#define VAR_END(args) va_end(args);
+
+#else
+
+/* K&R version of a "portable" macro set for variable length args */
+#ifndef __VARARGS_H__
+#include <varargs.h>
+#endif
+
+#define VAR_PLIST(arg1type,arg1) va_alist
+#define VAR_PLIST2(arg1type,arg1,arg2type,arg2) va_alist
+#define VAR_ALIST va_dcl
+#define VAR_BDEFN(args,arg1type,arg1) va_list args; arg1type arg1
+#define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2) va_list args; \
+ arg1type arg1; arg2type arg2
+#define VAR_INIT(args,arg1type,arg1) va_start(args); \
+ arg1=va_arg(args,arg1type);
+#define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args); \
+ arg1=va_arg(args,arg1type); arg2=va_arg(args,arg2type);
+#define VAR_ARG(args,type,arg) arg=va_arg(args,type)
+#define VAR_END(args) va_end(args);
+
+#endif
+
+#ifndef NOPROTO
+int BIO_printf( VAR_PLIST( BIO *, bio ) );
+#else
+int BIO_printf();
+#endif
+
+/* BEGIN ERROR CODES */
+/* Error codes for the BIO functions. */
+
+/* Function codes. */
+#define BIO_F_ACPT_STATE 100
+#define BIO_F_BIO_ACCEPT 101
+#define BIO_F_BIO_CTRL 102
+#define BIO_F_BIO_GETS 103
+#define BIO_F_BIO_GET_ACCEPT_SOCKET 104
+#define BIO_F_BIO_GET_HOST_IP 105
+#define BIO_F_BIO_GET_PORT 106
+#define BIO_F_BIO_NEW 107
+#define BIO_F_BIO_NEW_FILE 108
+#define BIO_F_BIO_PUTS 109
+#define BIO_F_BIO_READ 110
+#define BIO_F_BIO_SOCK_INIT 111
+#define BIO_F_BIO_WRITE 112
+#define BIO_F_CONN_STATE 113
+#define BIO_F_FILE_CTRL 114
+#define BIO_F_MEM_WRITE 115
+#define BIO_F_WSASTARTUP 116
+
+/* Reason codes. */
+#define BIO_R_ACCEPT_ERROR 100
+#define BIO_R_BAD_FOPEN_MODE 101
+#define BIO_R_BAD_HOSTNAME_LOOKUP 102
+#define BIO_R_CONNECT_ERROR 103
+#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
+#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
+#define BIO_R_INVALID_IP_ADDRESS 108
+#define BIO_R_NBIO_CONNECT_ERROR 109
+#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 110
+#define BIO_R_NO_HOSTHNAME_SPECIFIED 111
+#define BIO_R_NO_PORT_DEFINED 112
+#define BIO_R_NO_PORT_SPECIFIED 113
+#define BIO_R_NULL_PARAMETER 114
+#define BIO_R_UNABLE_TO_BIND_SOCKET 115
+#define BIO_R_UNABLE_TO_CREATE_SOCKET 116
+#define BIO_R_UNABLE_TO_LISTEN_SOCKET 117
+#define BIO_R_UNINITALISED 118
+#define BIO_R_UNSUPPORTED_METHOD 119
+#define BIO_R_WSASTARTUP 120
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+