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Curl опция переменной - C++

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DarkMasterW
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Регистрация: 25.10.2013
Сообщений: 227
26.11.2013, 10:39     Curl опция переменной
Собственно передача опции курлу выглядит незамысловато:
C++
1
curl_easy_setopt(CURL *handle, CURLoption option, parameter);
Необходимо задать "option" переменной. Т.е. я не знаю заранее какой будет опция и параметр. Но как его задать? Литералы, стринги, чары кушать не хотим, приведение типов тоже не оценило попытки. Что есть тип CURLoption разобраться не получилось. Вроде идет перечисление, но, что внутри и как подсунуть необходимую опцию не понял.
Насколько понял истина где-то тут:
Curl.h
C++
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#ifndef __CURL_CURL_H
#define __CURL_CURL_H
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at [url]http://curl.haxx.se/docs/copyright.html[/url].
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * $Id: curl.h,v 1.371 2008-12-10 23:13:31 bagder Exp $
 ***************************************************************************/
 
/*
 * If you have libcurl problems, all docs and details are found here:
 *   [url]http://curl.haxx.se/libcurl/[/url]
 *
 * curl-library mailing list subscription and unsubscription web interface:
 *   [url]http://cool.haxx.se/mailman/listinfo/curl-library/[/url]
 */
 
#include "curlver.h"         /* libcurl version defines   */
#include "curl/curlbuild.h"  /* libcurl build definitions */
#include "curlrules.h"       /* libcurl rules enforcement */
 
/*
 * Define WIN32 when build target is Win32 API
 */
 
#if (defined(_WIN32) || defined(__WIN32__)) && \
     !defined(WIN32) && !defined(__SYMBIAN32__)
#define WIN32
#endif
 
#include <stdio.h>
#include <limits.h>
 
/* The include stuff here below is mainly for time_t! */
#ifdef vms
# include <types.h>
# include <time.h>
#else
# include <sys/types.h>
# include <time.h>
#endif /* defined (vms) */
 
#if defined(WIN32) && !defined(_WIN32_WCE) && !defined(__GNUC__) && \
  !defined(__CYGWIN__) || defined(__MINGW32__)
#if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H))
/* The check above prevents the winsock2 inclusion if winsock.h already was
   included, since they can't co-exist without problems */
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#else
 
/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
   libc5-based Linux systems. Only include it on system that are known to
   require it! */
#if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
    defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY)
#include <sys/select.h>
#endif
 
#ifndef _WIN32_WCE
#include <sys/socket.h>
#endif
#if !defined(WIN32) && !defined(__WATCOMC__)
#include <sys/time.h>
#endif
#include <sys/types.h>
#endif
 
#ifdef __BEOS__
#include <support/SupportDefs.h>
#endif
 
#ifdef  __cplusplus
extern "C" {
#endif
 
typedef void CURL;
 
/*
 * Decorate exportable functions for Win32 and Symbian OS DLL linking.
 * This avoids using a .def file for building libcurl.dll.
 */
#if (defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)) && \
     !defined(CURL_STATICLIB)
#if defined(BUILDING_LIBCURL)
#define CURL_EXTERN  __declspec(dllexport)
#else
#define CURL_EXTERN  __declspec(dllimport)
#endif
#else
 
#ifdef CURL_HIDDEN_SYMBOLS
/*
 * This definition is used to make external definitions visible in the
 * shared library when symbols are hidden by default.  It makes no
 * difference when compiling applications whether this is set or not,
 * only when compiling the library.
 */
#define CURL_EXTERN CURL_EXTERN_SYMBOL
#else
#define CURL_EXTERN
#endif
#endif
 
#ifndef curl_socket_typedef
/* socket typedef */
#ifdef WIN32
typedef SOCKET curl_socket_t;
#define CURL_SOCKET_BAD INVALID_SOCKET
#else
typedef int curl_socket_t;
#define CURL_SOCKET_BAD -1
#endif
#define curl_socket_typedef
#endif /* curl_socket_typedef */
 
struct curl_httppost {
  struct curl_httppost *next;       /* next entry in the list */
  char *name;                       /* pointer to allocated name */
  long namelength;                  /* length of name length */
  char *contents;                   /* pointer to allocated data contents */
  long contentslength;              /* length of contents field */
  char *buffer;                     /* pointer to allocated buffer contents */
  long bufferlength;                /* length of buffer field */
  char *contenttype;                /* Content-Type */
  struct curl_slist* contentheader; /* list of extra headers for this form */
  struct curl_httppost *more;       /* if one field name has more than one
                                       file, this link should link to following
                                       files */
  long flags;                       /* as defined below */
#define HTTPPOST_FILENAME (1<<0)    /* specified content is a file name */
#define HTTPPOST_READFILE (1<<1)    /* specified content is a file name */
#define HTTPPOST_PTRNAME (1<<2)     /* name is only stored pointer
                                       do not free in formfree */
#define HTTPPOST_PTRCONTENTS (1<<3) /* contents is only stored pointer
                                       do not free in formfree */
#define HTTPPOST_BUFFER (1<<4)      /* upload file from buffer */
#define HTTPPOST_PTRBUFFER (1<<5)   /* upload file from pointer contents */
#define HTTPPOST_CALLBACK (1<<6)    /* upload file contents by using the
                                       regular read callback to get the data
                                       and pass the given pointer as custom
                                       pointer */
 
  char *showfilename;               /* The file name to show. If not set, the
                                       actual file name will be used (if this
                                       is a file part) */
  void *userp;                      /* custom pointer used for
                                       HTTPPOST_CALLBACK posts */
};
 
typedef int (*curl_progress_callback)(void *clientp,
                                      double dltotal,
                                      double dlnow,
                                      double ultotal,
                                      double ulnow);
 
#ifndef CURL_MAX_WRITE_SIZE
  /* Tests have proven that 20K is a very bad buffer size for uploads on
     Windows, while 16K for some odd reason performed a lot better.
     We do the ifndef check to allow this value to easier be changed at build
     time for those who feel adventurous. */
#define CURL_MAX_WRITE_SIZE 16384
#endif
/* This is a magic return code for the write callback that, when returned,
   will signal libcurl to pause receiving on the current transfer. */
#define CURL_WRITEFUNC_PAUSE 0x10000001
typedef size_t (*curl_write_callback)(char *buffer,
                                      size_t size,
                                      size_t nitems,
                                      void *outstream);
 
/* This is a return code for the read callback that, when returned, will
   signal libcurl to immediately abort the current transfer. */
#define CURL_READFUNC_ABORT 0x10000000
/* This is a return code for the read callback that, when returned, will
   signal libcurl to pause sending data on the current transfer. */
#define CURL_READFUNC_PAUSE 0x10000001
typedef int (*curl_seek_callback)(void *instream,
                                  curl_off_t offset,
                                  int origin); /* 'whence' */
 
typedef size_t (*curl_read_callback)(char *buffer,
                                      size_t size,
                                      size_t nitems,
                                      void *instream);
 
typedef enum  {
  CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
  CURLSOCKTYPE_LAST   /* never use */
} curlsocktype;
 
typedef int (*curl_sockopt_callback)(void *clientp,
                                     curl_socket_t curlfd,
                                     curlsocktype purpose);
 
struct curl_sockaddr {
  int family;
  int socktype;
  int protocol;
  unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
                           turned really ugly and painful on the systems that
                           lack this type */
  struct sockaddr addr;
};
 
typedef curl_socket_t
(*curl_opensocket_callback)(void *clientp,
                            curlsocktype purpose,
                            struct curl_sockaddr *address);
 
#ifndef CURL_NO_OLDIES
  /* not used since 7.10.8, will be removed in a future release */
typedef int (*curl_passwd_callback)(void *clientp,
                                    const char *prompt,
                                    char *buffer,
                                    int buflen);
#endif
 
typedef enum {
  CURLIOE_OK,            /* I/O operation successful */
  CURLIOE_UNKNOWNCMD,    /* command was unknown to callback */
  CURLIOE_FAILRESTART,   /* failed to restart the read */
  CURLIOE_LAST           /* never use */
} curlioerr;
 
typedef enum  {
  CURLIOCMD_NOP,         /* no operation */
  CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
  CURLIOCMD_LAST         /* never use */
} curliocmd;
 
typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
                                         int cmd,
                                         void *clientp);
 
/*
 * The following typedef's are signatures of malloc, free, realloc, strdup and
 * calloc respectively.  Function pointers of these types can be passed to the
 * curl_global_init_mem() function to set user defined memory management
 * callback routines.
 */
typedef void *(*curl_malloc_callback)(size_t size);
typedef void (*curl_free_callback)(void *ptr);
typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
typedef char *(*curl_strdup_callback)(const char *str);
typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
 
/* the kind of data that is passed to information_callback*/
typedef enum {
  CURLINFO_TEXT = 0,
  CURLINFO_HEADER_IN,    /* 1 */
  CURLINFO_HEADER_OUT,   /* 2 */
  CURLINFO_DATA_IN,      /* 3 */
  CURLINFO_DATA_OUT,     /* 4 */
  CURLINFO_SSL_DATA_IN,  /* 5 */
  CURLINFO_SSL_DATA_OUT, /* 6 */
  CURLINFO_END
} curl_infotype;
 
typedef int (*curl_debug_callback)
       (CURL *handle,      /* the handle/transfer this concerns */
        curl_infotype type, /* what kind of data */
        char *data,        /* points to the data */
        size_t size,       /* size of the data pointed to */
        void *userptr);    /* whatever the user please */
 
/* All possible error codes from all sorts of curl functions. Future versions
   may return other values, stay prepared.
 
   Always add new return codes last. Never *EVER* remove any. The return
   codes must remain the same!
 */
 
typedef enum {
  CURLE_OK = 0,
  CURLE_UNSUPPORTED_PROTOCOL,    /* 1 */
  CURLE_FAILED_INIT,             /* 2 */
  CURLE_URL_MALFORMAT,           /* 3 */
  CURLE_OBSOLETE4,               /* 4 - NOT USED */
  CURLE_COULDNT_RESOLVE_PROXY,   /* 5 */
  CURLE_COULDNT_RESOLVE_HOST,    /* 6 */
  CURLE_COULDNT_CONNECT,         /* 7 */
  CURLE_FTP_WEIRD_SERVER_REPLY,  /* 8 */
  CURLE_REMOTE_ACCESS_DENIED,    /* 9 a service was denied by the server
                                    due to lack of access - when login fails
                                    this is not returned. */
  CURLE_OBSOLETE10,              /* 10 - NOT USED */
  CURLE_FTP_WEIRD_PASS_REPLY,    /* 11 */
  CURLE_OBSOLETE12,              /* 12 - NOT USED */
  CURLE_FTP_WEIRD_PASV_REPLY,    /* 13 */
  CURLE_FTP_WEIRD_227_FORMAT,    /* 14 */
  CURLE_FTP_CANT_GET_HOST,       /* 15 */
  CURLE_OBSOLETE16,              /* 16 - NOT USED */
  CURLE_FTP_COULDNT_SET_TYPE,    /* 17 */
  CURLE_PARTIAL_FILE,            /* 18 */
  CURLE_FTP_COULDNT_RETR_FILE,   /* 19 */
  CURLE_OBSOLETE20,              /* 20 - NOT USED */
  CURLE_QUOTE_ERROR,             /* 21 - quote command failure */
  CURLE_HTTP_RETURNED_ERROR,     /* 22 */
  CURLE_WRITE_ERROR,             /* 23 */
  CURLE_OBSOLETE24,              /* 24 - NOT USED */
  CURLE_UPLOAD_FAILED,           /* 25 - failed upload "command" */
  CURLE_READ_ERROR,              /* 26 - couldn't open/read from file */
  CURLE_OUT_OF_MEMORY,           /* 27 */
  /* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
           instead of a memory allocation error if CURL_DOES_CONVERSIONS
           is defined
  */
  CURLE_OPERATION_TIMEDOUT,      /* 28 - the timeout time was reached */
  CURLE_OBSOLETE29,              /* 29 - NOT USED */
  CURLE_FTP_PORT_FAILED,         /* 30 - FTP PORT operation failed */
  CURLE_FTP_COULDNT_USE_REST,    /* 31 - the REST command failed */
  CURLE_OBSOLETE32,              /* 32 - NOT USED */
  CURLE_RANGE_ERROR,             /* 33 - RANGE "command" didn't work */
  CURLE_HTTP_POST_ERROR,         /* 34 */
  CURLE_SSL_CONNECT_ERROR,       /* 35 - wrong when connecting with SSL */
  CURLE_BAD_DOWNLOAD_RESUME,     /* 36 - couldn't resume download */
  CURLE_FILE_COULDNT_READ_FILE,  /* 37 */
  CURLE_LDAP_CANNOT_BIND,        /* 38 */
  CURLE_LDAP_SEARCH_FAILED,      /* 39 */
  CURLE_OBSOLETE40,              /* 40 - NOT USED */
  CURLE_FUNCTION_NOT_FOUND,      /* 41 */
  CURLE_ABORTED_BY_CALLBACK,     /* 42 */
  CURLE_BAD_FUNCTION_ARGUMENT,   /* 43 */
  CURLE_OBSOLETE44,              /* 44 - NOT USED */
  CURLE_INTERFACE_FAILED,        /* 45 - CURLOPT_INTERFACE failed */
  CURLE_OBSOLETE46,              /* 46 - NOT USED */
  CURLE_TOO_MANY_REDIRECTS ,     /* 47 - catch endless re-direct loops */
  CURLE_UNKNOWN_TELNET_OPTION,   /* 48 - User specified an unknown option */
  CURLE_TELNET_OPTION_SYNTAX ,   /* 49 - Malformed telnet option */
  CURLE_OBSOLETE50,              /* 50 - NOT USED */
  CURLE_PEER_FAILED_VERIFICATION, /* 51 - peer's certificate or fingerprint
                                     wasn't verified fine */
  CURLE_GOT_NOTHING,             /* 52 - when this is a specific error */
  CURLE_SSL_ENGINE_NOTFOUND,     /* 53 - SSL crypto engine not found */
  CURLE_SSL_ENGINE_SETFAILED,    /* 54 - can not set SSL crypto engine as
                                    default */
  CURLE_SEND_ERROR,              /* 55 - failed sending network data */
  CURLE_RECV_ERROR,              /* 56 - failure in receiving network data */
  CURLE_OBSOLETE57,              /* 57 - NOT IN USE */
  CURLE_SSL_CERTPROBLEM,         /* 58 - problem with the local certificate */
  CURLE_SSL_CIPHER,              /* 59 - couldn't use specified cipher */
  CURLE_SSL_CACERT,              /* 60 - problem with the CA cert (path?) */
  CURLE_BAD_CONTENT_ENCODING,    /* 61 - Unrecognized transfer encoding */
  CURLE_LDAP_INVALID_URL,        /* 62 - Invalid LDAP URL */
  CURLE_FILESIZE_EXCEEDED,       /* 63 - Maximum file size exceeded */
  CURLE_USE_SSL_FAILED,          /* 64 - Requested FTP SSL level failed */
  CURLE_SEND_FAIL_REWIND,        /* 65 - Sending the data requires a rewind
                                    that failed */
  CURLE_SSL_ENGINE_INITFAILED,   /* 66 - failed to initialise ENGINE */
  CURLE_LOGIN_DENIED,            /* 67 - user, password or similar was not
                                    accepted and we failed to login */
  CURLE_TFTP_NOTFOUND,           /* 68 - file not found on server */
  CURLE_TFTP_PERM,               /* 69 - permission problem on server */
  CURLE_REMOTE_DISK_FULL,        /* 70 - out of disk space on server */
  CURLE_TFTP_ILLEGAL,            /* 71 - Illegal TFTP operation */
  CURLE_TFTP_UNKNOWNID,          /* 72 - Unknown transfer ID */
  CURLE_REMOTE_FILE_EXISTS,      /* 73 - File already exists */
  CURLE_TFTP_NOSUCHUSER,         /* 74 - No such user */
  CURLE_CONV_FAILED,             /* 75 - conversion failed */
  CURLE_CONV_REQD,               /* 76 - caller must register conversion
                                    callbacks using curl_easy_setopt options
                                    CURLOPT_CONV_FROM_NETWORK_FUNCTION,
                                    CURLOPT_CONV_TO_NETWORK_FUNCTION, and
                                    CURLOPT_CONV_FROM_UTF8_FUNCTION */
  CURLE_SSL_CACERT_BADFILE,      /* 77 - could not load CACERT file, missing
                                    or wrong format */
  CURLE_REMOTE_FILE_NOT_FOUND,   /* 78 - remote file not found */
  CURLE_SSH,                     /* 79 - error from the SSH layer, somewhat
                                    generic so the error message will be of
                                    interest when this has happened */
 
  CURLE_SSL_SHUTDOWN_FAILED,     /* 80 - Failed to shut down the SSL
                                    connection */
  CURLE_AGAIN,                   /* 81 - socket is not ready for send/recv,
                                    wait till it's ready and try again (Added
                                    in 7.18.2) */
  CURLE_SSL_CRL_BADFILE,         /* 82 - could not load CRL file, missing or
                                    wrong format (Added in 7.19.0) */
  CURLE_SSL_ISSUER_ERROR,        /* 83 - Issuer check failed.  (Added in
                                    7.19.0) */
  CURL_LAST /* never use! */
} CURLcode;
 
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
                          the obsolete stuff removed! */
 
/* Backwards compatibility with older names */
 
/* The following were added in 7.17.1 */
/* These are scheduled to disappear by 2009 */
#define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
 
/* The following were added in 7.17.0 */
/* These are scheduled to disappear by 2009 */
#define CURLE_OBSOLETE CURLE_OBSOLETE50 /* noone should be using this! */
#define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
#define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
#define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
#define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
#define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
#define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
#define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
#define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
#define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
#define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
#define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
#define CURLE_URL_MALFORMAT_USER CURLE_OBSOLETE4
 
#define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
#define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
#define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
#define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
#define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
#define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
#define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
 
/* The following were added earlier */
 
#define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
 
#define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
#define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
#define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
 
#define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
#define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
 
/* This was the error code 50 in 7.7.3 and a few earlier versions, this
   is no longer used by libcurl but is instead #defined here only to not
   make programs break */
#define CURLE_ALREADY_COMPLETE 99999
 
#endif /*!CURL_NO_OLDIES*/
 
/* This prototype applies to all conversion callbacks */
typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
 
typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl,    /* easy handle */
                                          void *ssl_ctx, /* actually an
                                                            OpenSSL SSL_CTX */
                                          void *userptr);
 
typedef enum {
  CURLPROXY_HTTP = 0,   /* added in 7.10 */
  CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
                           in 7.10 */
  CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
  CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
  CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
                                   host name rather than the IP address. added
                                   in 7.18.0 */
} curl_proxytype;  /* this enum was added in 7.10 */
 
#define CURLAUTH_NONE         0       /* nothing */
#define CURLAUTH_BASIC        (1<<0)  /* Basic (default) */
#define CURLAUTH_DIGEST       (1<<1)  /* Digest */
#define CURLAUTH_GSSNEGOTIATE (1<<2)  /* GSS-Negotiate */
#define CURLAUTH_NTLM         (1<<3)  /* NTLM */
#define CURLAUTH_DIGEST_IE    (1<<4)  /* Digest with IE flavour */
#define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE)  /* all fine types set */
#define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
 
#define CURLSSH_AUTH_ANY       ~0     /* all types supported by the server */
#define CURLSSH_AUTH_NONE      0      /* none allowed, silly but complete */
#define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
#define CURLSSH_AUTH_PASSWORD  (1<<1) /* password */
#define CURLSSH_AUTH_HOST      (1<<2) /* host key files */
#define CURLSSH_AUTH_KEYBOARD  (1<<3) /* keyboard interactive */
#define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
 
#define CURL_ERROR_SIZE 256
 
/* parameter for the CURLOPT_USE_SSL option */
typedef enum {
  CURLUSESSL_NONE,    /* do not attempt to use SSL */
  CURLUSESSL_TRY,     /* try using SSL, proceed anyway otherwise */
  CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
  CURLUSESSL_ALL,     /* SSL for all communication or fail */
  CURLUSESSL_LAST     /* not an option, never use */
} curl_usessl;
 
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
                          the obsolete stuff removed! */
 
/* Backwards compatibility with older names */
/* These are scheduled to disappear by 2009 */
 
#define CURLFTPSSL_NONE CURLUSESSL_NONE
#define CURLFTPSSL_TRY CURLUSESSL_TRY
#define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
#define CURLFTPSSL_ALL CURLUSESSL_ALL
#define CURLFTPSSL_LAST CURLUSESSL_LAST
#define curl_ftpssl curl_usessl
#endif /*!CURL_NO_OLDIES*/
 
/* parameter for the CURLOPT_FTP_SSL_CCC option */
typedef enum {
  CURLFTPSSL_CCC_NONE,    /* do not send CCC */
  CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
  CURLFTPSSL_CCC_ACTIVE,  /* Initiate the shutdown */
  CURLFTPSSL_CCC_LAST     /* not an option, never use */
} curl_ftpccc;
 
/* parameter for the CURLOPT_FTPSSLAUTH option */
typedef enum {
  CURLFTPAUTH_DEFAULT, /* let libcurl decide */
  CURLFTPAUTH_SSL,     /* use "AUTH SSL" */
  CURLFTPAUTH_TLS,     /* use "AUTH TLS" */
  CURLFTPAUTH_LAST /* not an option, never use */
} curl_ftpauth;
 
/* parameter for the CURLOPT_FTP_FILEMETHOD option */
typedef enum {
  CURLFTPMETHOD_DEFAULT,   /* let libcurl pick */
  CURLFTPMETHOD_MULTICWD,  /* single CWD operation for each path part */
  CURLFTPMETHOD_NOCWD,     /* no CWD at all */
  CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
  CURLFTPMETHOD_LAST       /* not an option, never use */
} curl_ftpmethod;
 
/* long may be 32 or 64 bits, but we should never depend on anything else
   but 32 */
#define CURLOPTTYPE_LONG          0
#define CURLOPTTYPE_OBJECTPOINT   10000
#define CURLOPTTYPE_FUNCTIONPOINT 20000
#define CURLOPTTYPE_OFF_T         30000
 
/* name is uppercase CURLOPT_<name>,
   type is one of the defined CURLOPTTYPE_<type>
   number is unique identifier */
#ifdef CINIT
#undef CINIT
#endif
 
#ifdef CURL_ISOCPP
#define CINIT(name,type,number) CURLOPT_ ## name = CURLOPTTYPE_ ## type + number
#else
/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
#define LONG          CURLOPTTYPE_LONG
#define OBJECTPOINT   CURLOPTTYPE_OBJECTPOINT
#define FUNCTIONPOINT CURLOPTTYPE_FUNCTIONPOINT
#define OFF_T         CURLOPTTYPE_OFF_T
#define CINIT(name,type,number) CURLOPT_/**/name = type + number
#endif
 
/*
 * This macro-mania below setups the CURLOPT_[what] enum, to be used with
 * curl_easy_setopt(). The first argument in the CINIT() macro is the [what]
 * word.
 */
 
typedef enum {
  /* This is the FILE * or void * the regular output should be written to. */
  CINIT(FILE, OBJECTPOINT, 1),
 
  /* The full URL to get/put */
  CINIT(URL,  OBJECTPOINT, 2),
 
  /* Port number to connect to, if other than default. */
  CINIT(PORT, LONG, 3),
 
  /* Name of proxy to use. */
  CINIT(PROXY, OBJECTPOINT, 4),
 
  /* "name:password" to use when fetching. */
  CINIT(USERPWD, OBJECTPOINT, 5),
 
  /* "name:password" to use with proxy. */
  CINIT(PROXYUSERPWD, OBJECTPOINT, 6),
 
  /* Range to get, specified as an ASCII string. */
  CINIT(RANGE, OBJECTPOINT, 7),
 
  /* not used */
 
  /* Specified file stream to upload from (use as input): */
  CINIT(INFILE, OBJECTPOINT, 9),
 
  /* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
   * bytes big. If this is not used, error messages go to stderr instead: */
  CINIT(ERRORBUFFER, OBJECTPOINT, 10),
 
  /* Function that will be called to store the output (instead of fwrite). The
   * parameters will use fwrite() syntax, make sure to follow them. */
  CINIT(WRITEFUNCTION, FUNCTIONPOINT, 11),
 
  /* Function that will be called to read the input (instead of fread). The
   * parameters will use fread() syntax, make sure to follow them. */
  CINIT(READFUNCTION, FUNCTIONPOINT, 12),
 
  /* Time-out the read operation after this amount of seconds */
  CINIT(TIMEOUT, LONG, 13),
 
  /* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
   * how large the file being sent really is. That allows better error
   * checking and better verifies that the upload was successful. -1 means
   * unknown size.
   *
   * For large file support, there is also a _LARGE version of the key
   * which takes an off_t type, allowing platforms with larger off_t
   * sizes to handle larger files.  See below for INFILESIZE_LARGE.
   */
  CINIT(INFILESIZE, LONG, 14),
 
  /* POST static input fields. */
  CINIT(POSTFIELDS, OBJECTPOINT, 15),
 
  /* Set the referrer page (needed by some CGIs) */
  CINIT(REFERER, OBJECTPOINT, 16),
 
  /* Set the FTP PORT string (interface name, named or numerical IP address)
     Use i.e '-' to use default address. */
  CINIT(FTPPORT, OBJECTPOINT, 17),
 
  /* Set the User-Agent string (examined by some CGIs) */
  CINIT(USERAGENT, OBJECTPOINT, 18),
 
  /* If the download receives less than "low speed limit" bytes/second
   * during "low speed time" seconds, the operations is aborted.
   * You could i.e if you have a pretty high speed connection, abort if
   * it is less than 2000 bytes/sec during 20 seconds.
   */
 
  /* Set the "low speed limit" */
  CINIT(LOW_SPEED_LIMIT, LONG, 19),
 
  /* Set the "low speed time" */
  CINIT(LOW_SPEED_TIME, LONG, 20),
 
  /* Set the continuation offset.
   *
   * Note there is also a _LARGE version of this key which uses
   * off_t types, allowing for large file offsets on platforms which
   * use larger-than-32-bit off_t's.  Look below for RESUME_FROM_LARGE.
   */
  CINIT(RESUME_FROM, LONG, 21),
 
  /* Set cookie in request: */
  CINIT(COOKIE, OBJECTPOINT, 22),
 
  /* This points to a linked list of headers, struct curl_slist kind */
  CINIT(HTTPHEADER, OBJECTPOINT, 23),
 
  /* This points to a linked list of post entries, struct curl_httppost */
  CINIT(HTTPPOST, OBJECTPOINT, 24),
 
  /* name of the file keeping your private SSL-certificate */
  CINIT(SSLCERT, OBJECTPOINT, 25),
 
  /* password for the SSL or SSH private key */
  CINIT(KEYPASSWD, OBJECTPOINT, 26),
 
  /* send TYPE parameter? */
  CINIT(CRLF, LONG, 27),
 
  /* send linked-list of QUOTE commands */
  CINIT(QUOTE, OBJECTPOINT, 28),
 
  /* send FILE * or void * to store headers to, if you use a callback it
     is simply passed to the callback unmodified */
  CINIT(WRITEHEADER, OBJECTPOINT, 29),
 
  /* point to a file to read the initial cookies from, also enables
     "cookie awareness" */
  CINIT(COOKIEFILE, OBJECTPOINT, 31),
 
  /* What version to specifically try to use.
     See CURL_SSLVERSION defines below. */
  CINIT(SSLVERSION, LONG, 32),
 
  /* What kind of HTTP time condition to use, see defines */
  CINIT(TIMECONDITION, LONG, 33),
 
  /* Time to use with the above condition. Specified in number of seconds
     since 1 Jan 1970 */
  CINIT(TIMEVALUE, LONG, 34),
 
  /* 35 = OBSOLETE */
 
  /* Custom request, for customizing the get command like
     HTTP: DELETE, TRACE and others
     FTP: to use a different list command
     */
  CINIT(CUSTOMREQUEST, OBJECTPOINT, 36),
 
  /* HTTP request, for odd commands like DELETE, TRACE and others */
  CINIT(STDERR, OBJECTPOINT, 37),
 
  /* 38 is not used */
 
  /* send linked-list of post-transfer QUOTE commands */
  CINIT(POSTQUOTE, OBJECTPOINT, 39),
 
  /* Pass a pointer to string of the output using full variable-replacement
     as described elsewhere. */
  CINIT(WRITEINFO, OBJECTPOINT, 40),
 
  CINIT(VERBOSE, LONG, 41),      /* talk a lot */
  CINIT(HEADER, LONG, 42),       /* throw the header out too */
  CINIT(NOPROGRESS, LONG, 43),   /* shut off the progress meter */
  CINIT(NOBODY, LONG, 44),       /* use HEAD to get http document */
  CINIT(FAILONERROR, LONG, 45),  /* no output on http error codes >= 300 */
  CINIT(UPLOAD, LONG, 46),       /* this is an upload */
  CINIT(POST, LONG, 47),         /* HTTP POST method */
  CINIT(DIRLISTONLY, LONG, 48),  /* return bare names when listing directories */
 
  CINIT(APPEND, LONG, 50),       /* Append instead of overwrite on upload! */
 
  /* Specify whether to read the user+password from the .netrc or the URL.
   * This must be one of the CURL_NETRC_* enums below. */
  CINIT(NETRC, LONG, 51),
 
  CINIT(FOLLOWLOCATION, LONG, 52),  /* use Location: Luke! */
 
  CINIT(TRANSFERTEXT, LONG, 53), /* transfer data in text/ASCII format */
  CINIT(PUT, LONG, 54),          /* HTTP PUT */
 
  /* 55 = OBSOLETE */
 
  /* Function that will be called instead of the internal progress display
   * function. This function should be defined as the curl_progress_callback
   * prototype defines. */
  CINIT(PROGRESSFUNCTION, FUNCTIONPOINT, 56),
 
  /* Data passed to the progress callback */
  CINIT(PROGRESSDATA, OBJECTPOINT, 57),
 
  /* We want the referrer field set automatically when following locations */
  CINIT(AUTOREFERER, LONG, 58),
 
  /* Port of the proxy, can be set in the proxy string as well with:
     "[host]:[port]" */
  CINIT(PROXYPORT, LONG, 59),
 
  /* size of the POST input data, if strlen() is not good to use */
  CINIT(POSTFIELDSIZE, LONG, 60),
 
  /* tunnel non-http operations through a HTTP proxy */
  CINIT(HTTPPROXYTUNNEL, LONG, 61),
 
  /* Set the interface string to use as outgoing network interface */
  CINIT(INTERFACE, OBJECTPOINT, 62),
 
  /* Set the krb4/5 security level, this also enables krb4/5 awareness.  This
   * is a string, 'clear', 'safe', 'confidential' or 'private'.  If the string
   * is set but doesn't match one of these, 'private' will be used.  */
  CINIT(KRBLEVEL, OBJECTPOINT, 63),
 
  /* Set if we should verify the peer in ssl handshake, set 1 to verify. */
  CINIT(SSL_VERIFYPEER, LONG, 64),
 
  /* The CApath or CAfile used to validate the peer certificate
     this option is used only if SSL_VERIFYPEER is true */
  CINIT(CAINFO, OBJECTPOINT, 65),
 
  /* 66 = OBSOLETE */
  /* 67 = OBSOLETE */
 
  /* Maximum number of http redirects to follow */
  CINIT(MAXREDIRS, LONG, 68),
 
  /* Pass a long set to 1 to get the date of the requested document (if
     possible)! Pass a zero to shut it off. */
  CINIT(FILETIME, LONG, 69),
 
  /* This points to a linked list of telnet options */
  CINIT(TELNETOPTIONS, OBJECTPOINT, 70),
 
  /* Max amount of cached alive connections */
  CINIT(MAXCONNECTS, LONG, 71),
 
  /* What policy to use when closing connections when the cache is filled
     up */
  CINIT(CLOSEPOLICY, LONG, 72),
 
  /* 73 = OBSOLETE */
 
  /* Set to explicitly use a new connection for the upcoming transfer.
     Do not use this unless you're absolutely sure of this, as it makes the
     operation slower and is less friendly for the network. */
  CINIT(FRESH_CONNECT, LONG, 74),
 
  /* Set to explicitly forbid the upcoming transfer's connection to be re-used
     when done. Do not use this unless you're absolutely sure of this, as it
     makes the operation slower and is less friendly for the network. */
  CINIT(FORBID_REUSE, LONG, 75),
 
  /* Set to a file name that contains random data for libcurl to use to
     seed the random engine when doing SSL connects. */
  CINIT(RANDOM_FILE, OBJECTPOINT, 76),
 
  /* Set to the Entropy Gathering Daemon socket pathname */
  CINIT(EGDSOCKET, OBJECTPOINT, 77),
 
  /* Time-out connect operations after this amount of seconds, if connects
     are OK within this time, then fine... This only aborts the connect
     phase. [Only works on unix-style/SIGALRM operating systems] */
  CINIT(CONNECTTIMEOUT, LONG, 78),
 
  /* Function that will be called to store headers (instead of fwrite). The
   * parameters will use fwrite() syntax, make sure to follow them. */
  CINIT(HEADERFUNCTION, FUNCTIONPOINT, 79),
 
  /* Set this to force the HTTP request to get back to GET. Only really usable
     if POST, PUT or a custom request have been used first.
   */
  CINIT(HTTPGET, LONG, 80),
 
  /* Set if we should verify the Common name from the peer certificate in ssl
   * handshake, set 1 to check existence, 2 to ensure that it matches the
   * provided hostname. */
  CINIT(SSL_VERIFYHOST, LONG, 81),
 
  /* Specify which file name to write all known cookies in after completed
     operation. Set file name to "-" (dash) to make it go to stdout. */
  CINIT(COOKIEJAR, OBJECTPOINT, 82),
 
  /* Specify which SSL ciphers to use */
  CINIT(SSL_CIPHER_LIST, OBJECTPOINT, 83),
 
  /* Specify which HTTP version to use! This must be set to one of the
     CURL_HTTP_VERSION* enums set below. */
  CINIT(HTTP_VERSION, LONG, 84),
 
  /* Specifically switch on or off the FTP engine's use of the EPSV command. By
     default, that one will always be attempted before the more traditional
     PASV command. */
  CINIT(FTP_USE_EPSV, LONG, 85),
 
  /* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
  CINIT(SSLCERTTYPE, OBJECTPOINT, 86),
 
  /* name of the file keeping your private SSL-key */
  CINIT(SSLKEY, OBJECTPOINT, 87),
 
  /* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
  CINIT(SSLKEYTYPE, OBJECTPOINT, 88),
 
  /* crypto engine for the SSL-sub system */
  CINIT(SSLENGINE, OBJECTPOINT, 89),
 
  /* set the crypto engine for the SSL-sub system as default
     the param has no meaning...
   */
  CINIT(SSLENGINE_DEFAULT, LONG, 90),
 
  /* Non-zero value means to use the global dns cache */
  CINIT(DNS_USE_GLOBAL_CACHE, LONG, 91), /* To become OBSOLETE soon */
 
  /* DNS cache timeout */
  CINIT(DNS_CACHE_TIMEOUT, LONG, 92),
 
  /* send linked-list of pre-transfer QUOTE commands (Wesley Laxton)*/
  CINIT(PREQUOTE, OBJECTPOINT, 93),
 
  /* set the debug function */
  CINIT(DEBUGFUNCTION, FUNCTIONPOINT, 94),
 
  /* set the data for the debug function */
  CINIT(DEBUGDATA, OBJECTPOINT, 95),
 
  /* mark this as start of a cookie session */
  CINIT(COOKIESESSION, LONG, 96),
 
  /* The CApath directory used to validate the peer certificate
     this option is used only if SSL_VERIFYPEER is true */
  CINIT(CAPATH, OBJECTPOINT, 97),
 
  /* Instruct libcurl to use a smaller receive buffer */
  CINIT(BUFFERSIZE, LONG, 98),
 
  /* Instruct libcurl to not use any signal/alarm handlers, even when using
     timeouts. This option is useful for multi-threaded applications.
     See libcurl-the-guide for more background information. */
  CINIT(NOSIGNAL, LONG, 99),
 
  /* Provide a CURLShare for mutexing non-ts data */
  CINIT(SHARE, OBJECTPOINT, 100),
 
  /* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
     CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and CURLPROXY_SOCKS5. */
  CINIT(PROXYTYPE, LONG, 101),
 
  /* Set the Accept-Encoding string. Use this to tell a server you would like
     the response to be compressed. */
  CINIT(ENCODING, OBJECTPOINT, 102),
 
  /* Set pointer to private data */
  CINIT(PRIVATE, OBJECTPOINT, 103),
 
  /* Set aliases for HTTP 200 in the HTTP Response header */
  CINIT(HTTP200ALIASES, OBJECTPOINT, 104),
 
  /* Continue to send authentication (user+password) when following locations,
     even when hostname changed. This can potentially send off the name
     and password to whatever host the server decides. */
  CINIT(UNRESTRICTED_AUTH, LONG, 105),
 
  /* Specifically switch on or off the FTP engine's use of the EPRT command ( it
     also disables the LPRT attempt). By default, those ones will always be
     attempted before the good old traditional PORT command. */
  CINIT(FTP_USE_EPRT, LONG, 106),
 
  /* Set this to a bitmask value to enable the particular authentications
     methods you like. Use this in combination with CURLOPT_USERPWD.
     Note that setting multiple bits may cause extra network round-trips. */
  CINIT(HTTPAUTH, LONG, 107),
 
  /* Set the ssl context callback function, currently only for OpenSSL ssl_ctx
     in second argument. The function must be matching the
     curl_ssl_ctx_callback proto. */
  CINIT(SSL_CTX_FUNCTION, FUNCTIONPOINT, 108),
 
  /* Set the userdata for the ssl context callback function's third
     argument */
  CINIT(SSL_CTX_DATA, OBJECTPOINT, 109),
 
  /* FTP Option that causes missing dirs to be created on the remote server */
  CINIT(FTP_CREATE_MISSING_DIRS, LONG, 110),
 
  /* Set this to a bitmask value to enable the particular authentications
     methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
     Note that setting multiple bits may cause extra network round-trips. */
  CINIT(PROXYAUTH, LONG, 111),
 
  /* FTP option that changes the timeout, in seconds, associated with
     getting a response.  This is different from transfer timeout time and
     essentially places a demand on the FTP server to acknowledge commands
     in a timely manner. */
  CINIT(FTP_RESPONSE_TIMEOUT, LONG, 112),
 
  /* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
     tell libcurl to resolve names to those IP versions only. This only has
     affect on systems with support for more than one, i.e IPv4 _and_ IPv6. */
  CINIT(IPRESOLVE, LONG, 113),
 
  /* Set this option to limit the size of a file that will be downloaded from
     an HTTP or FTP server.
 
     Note there is also _LARGE version which adds large file support for
     platforms which have larger off_t sizes.  See MAXFILESIZE_LARGE below. */
  CINIT(MAXFILESIZE, LONG, 114),
 
  /* See the comment for INFILESIZE above, but in short, specifies
   * the size of the file being uploaded.  -1 means unknown.
   */
  CINIT(INFILESIZE_LARGE, OFF_T, 115),
 
  /* Sets the continuation offset.  There is also a LONG version of this;
   * look above for RESUME_FROM.
   */
  CINIT(RESUME_FROM_LARGE, OFF_T, 116),
 
  /* Sets the maximum size of data that will be downloaded from
   * an HTTP or FTP server.  See MAXFILESIZE above for the LONG version.
   */
  CINIT(MAXFILESIZE_LARGE, OFF_T, 117),
 
  /* Set this option to the file name of your .netrc file you want libcurl
     to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
     a poor attempt to find the user's home directory and check for a .netrc
     file in there. */
  CINIT(NETRC_FILE, OBJECTPOINT, 118),
 
  /* Enable SSL/TLS for FTP, pick one of:
     CURLFTPSSL_TRY     - try using SSL, proceed anyway otherwise
     CURLFTPSSL_CONTROL - SSL for the control connection or fail
     CURLFTPSSL_ALL     - SSL for all communication or fail
  */
  CINIT(USE_SSL, LONG, 119),
 
  /* The _LARGE version of the standard POSTFIELDSIZE option */
  CINIT(POSTFIELDSIZE_LARGE, OFF_T, 120),
 
  /* Enable/disable the TCP Nagle algorithm */
  CINIT(TCP_NODELAY, LONG, 121),
 
  /* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
  /* 123 OBSOLETE. Gone in 7.16.0 */
  /* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
  /* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
  /* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
  /* 127 OBSOLETE. Gone in 7.16.0 */
  /* 128 OBSOLETE. Gone in 7.16.0 */
 
  /* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
     can be used to change libcurl's default action which is to first try
     "AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
     response has been received.
 
     Available parameters are:
     CURLFTPAUTH_DEFAULT - let libcurl decide
     CURLFTPAUTH_SSL     - try "AUTH SSL" first, then TLS
     CURLFTPAUTH_TLS     - try "AUTH TLS" first, then SSL
  */
  CINIT(FTPSSLAUTH, LONG, 129),
 
  CINIT(IOCTLFUNCTION, FUNCTIONPOINT, 130),
  CINIT(IOCTLDATA, OBJECTPOINT, 131),
 
  /* 132 OBSOLETE. Gone in 7.16.0 */
  /* 133 OBSOLETE. Gone in 7.16.0 */
 
  /* zero terminated string for pass on to the FTP server when asked for
     "account" info */
  CINIT(FTP_ACCOUNT, OBJECTPOINT, 134),
 
  /* feed cookies into cookie engine */
  CINIT(COOKIELIST, OBJECTPOINT, 135),
 
  /* ignore Content-Length */
  CINIT(IGNORE_CONTENT_LENGTH, LONG, 136),
 
  /* Set to non-zero to skip the IP address received in a 227 PASV FTP server
     response. Typically used for FTP-SSL purposes but is not restricted to
     that. libcurl will then instead use the same IP address it used for the
     control connection. */
  CINIT(FTP_SKIP_PASV_IP, LONG, 137),
 
  /* Select "file method" to use when doing FTP, see the curl_ftpmethod
     above. */
  CINIT(FTP_FILEMETHOD, LONG, 138),
 
  /* Local port number to bind the socket to */
  CINIT(LOCALPORT, LONG, 139),
 
  /* Number of ports to try, including the first one set with LOCALPORT.
     Thus, setting it to 1 will make no additional attempts but the first.
  */
  CINIT(LOCALPORTRANGE, LONG, 140),
 
  /* no transfer, set up connection and let application use the socket by
     extracting it with CURLINFO_LASTSOCKET */
  CINIT(CONNECT_ONLY, LONG, 141),
 
  /* Function that will be called to convert from the
     network encoding (instead of using the iconv calls in libcurl) */
  CINIT(CONV_FROM_NETWORK_FUNCTION, FUNCTIONPOINT, 142),
 
  /* Function that will be called to convert to the
     network encoding (instead of using the iconv calls in libcurl) */
  CINIT(CONV_TO_NETWORK_FUNCTION, FUNCTIONPOINT, 143),
 
  /* Function that will be called to convert from UTF8
     (instead of using the iconv calls in libcurl)
     Note that this is used only for SSL certificate processing */
  CINIT(CONV_FROM_UTF8_FUNCTION, FUNCTIONPOINT, 144),
 
  /* if the connection proceeds too quickly then need to slow it down */
  /* limit-rate: maximum number of bytes per second to send or receive */
  CINIT(MAX_SEND_SPEED_LARGE, OFF_T, 145),
  CINIT(MAX_RECV_SPEED_LARGE, OFF_T, 146),
 
  /* Pointer to command string to send if USER/PASS fails. */
  CINIT(FTP_ALTERNATIVE_TO_USER, OBJECTPOINT, 147),
 
  /* callback function for setting socket options */
  CINIT(SOCKOPTFUNCTION, FUNCTIONPOINT, 148),
  CINIT(SOCKOPTDATA, OBJECTPOINT, 149),
 
  /* set to 0 to disable session ID re-use for this transfer, default is
     enabled (== 1) */
  CINIT(SSL_SESSIONID_CACHE, LONG, 150),
 
  /* allowed SSH authentication methods */
  CINIT(SSH_AUTH_TYPES, LONG, 151),
 
  /* Used by scp/sftp to do public/private key authentication */
  CINIT(SSH_PUBLIC_KEYFILE, OBJECTPOINT, 152),
  CINIT(SSH_PRIVATE_KEYFILE, OBJECTPOINT, 153),
 
  /* Send CCC (Clear Command Channel) after authentication */
  CINIT(FTP_SSL_CCC, LONG, 154),
 
  /* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
  CINIT(TIMEOUT_MS, LONG, 155),
  CINIT(CONNECTTIMEOUT_MS, LONG, 156),
 
  /* set to zero to disable the libcurl's decoding and thus pass the raw body
     data to the application even when it is encoded/compressed */
  CINIT(HTTP_TRANSFER_DECODING, LONG, 157),
  CINIT(HTTP_CONTENT_DECODING, LONG, 158),
 
  /* Permission used when creating new files and directories on the remote
     server for protocols that support it, SFTP/SCP/FILE */
  CINIT(NEW_FILE_PERMS, LONG, 159),
  CINIT(NEW_DIRECTORY_PERMS, LONG, 160),
 
  /* Set the behaviour of POST when redirecting. Values must be set to one
     of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
  CINIT(POSTREDIR, LONG, 161),
 
  /* used by scp/sftp to verify the host's public key */
  CINIT(SSH_HOST_PUBLIC_KEY_MD5, OBJECTPOINT, 162),
 
  /* Callback function for opening socket (instead of socket(2)). Optionally,
     callback is able change the address or refuse to connect returning
     CURL_SOCKET_BAD.  The callback should have type
     curl_opensocket_callback */
  CINIT(OPENSOCKETFUNCTION, FUNCTIONPOINT, 163),
  CINIT(OPENSOCKETDATA, OBJECTPOINT, 164),
 
  /* POST volatile input fields. */
  CINIT(COPYPOSTFIELDS, OBJECTPOINT, 165),
 
  /* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
  CINIT(PROXY_TRANSFER_MODE, LONG, 166),
 
  /* Callback function for seeking in the input stream */
  CINIT(SEEKFUNCTION, FUNCTIONPOINT, 167),
  CINIT(SEEKDATA, OBJECTPOINT, 168),
 
  /* CRL file */
  CINIT(CRLFILE, OBJECTPOINT, 169),
 
  /* Issuer certificate */
  CINIT(ISSUERCERT, OBJECTPOINT, 170),
 
  /* (IPv6) Address scope */
  CINIT(ADDRESS_SCOPE, LONG, 171),
 
  /* Collect certificate chain info and allow it to get retrievable with
     CURLINFO_CERTINFO after the transfer is complete. (Unfortunately) only
     working with OpenSSL-powered builds. */
  CINIT(CERTINFO, LONG, 172),
 
  /* "name" and "pwd" to use when fetching. */
  CINIT(USERNAME, OBJECTPOINT, 173),
  CINIT(PASSWORD, OBJECTPOINT, 174),
 
    /* "name" and "pwd" to use with Proxy when fetching. */
  CINIT(PROXYUSERNAME, OBJECTPOINT, 175),
  CINIT(PROXYPASSWORD, OBJECTPOINT, 176),
 
  CURLOPT_LASTENTRY /* the last unused */
} CURLoption;
 
#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
                          the obsolete stuff removed! */
 
/* Backwards compatibility with older names */
/* These are scheduled to disappear by 2011 */
 
/* This was added in version 7.19.1 */
#define CURLOPT_POST301 CURLOPT_POSTREDIR
 
/* These are scheduled to disappear by 2009 */
 
/* The following were added in 7.17.0 */
#define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
#define CURLOPT_FTPAPPEND CURLOPT_APPEND
#define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
#define CURLOPT_FTP_SSL CURLOPT_USE_SSL
 
/* The following were added earlier */
 
#define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
#define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
 
#else
/* This is set if CURL_NO_OLDIES is defined at compile-time */
#undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
#endif
 
 
  /* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
     name resolves addresses using more than one IP protocol version, this
     option might be handy to force libcurl to use a specific IP version. */
#define CURL_IPRESOLVE_WHATEVER 0 /* default, resolves addresses to all IP
                                     versions that your system allows */
#define CURL_IPRESOLVE_V4       1 /* resolve to ipv4 addresses */
#define CURL_IPRESOLVE_V6       2 /* resolve to ipv6 addresses */
 
  /* three convenient "aliases" that follow the name scheme better */
#define CURLOPT_WRITEDATA CURLOPT_FILE
#define CURLOPT_READDATA  CURLOPT_INFILE
#define CURLOPT_HEADERDATA CURLOPT_WRITEHEADER
 
  /* These enums are for use with the CURLOPT_HTTP_VERSION option. */
enum {
  CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
                             like the library to choose the best possible
                             for us! */
  CURL_HTTP_VERSION_1_0,  /* please use HTTP 1.0 in the request */
  CURL_HTTP_VERSION_1_1,  /* please use HTTP 1.1 in the request */
 
  CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
};
 
  /* These enums are for use with the CURLOPT_NETRC option. */
enum CURL_NETRC_OPTION {
  CURL_NETRC_IGNORED,     /* The .netrc will never be read.
                           * This is the default. */
  CURL_NETRC_OPTIONAL,    /* A user:password in the URL will be preferred
                           * to one in the .netrc. */
  CURL_NETRC_REQUIRED,    /* A user:password in the URL will be ignored.
                           * Unless one is set programmatically, the .netrc
                           * will be queried. */
  CURL_NETRC_LAST
};
 
enum {
  CURL_SSLVERSION_DEFAULT,
  CURL_SSLVERSION_TLSv1,
  CURL_SSLVERSION_SSLv2,
  CURL_SSLVERSION_SSLv3,
 
  CURL_SSLVERSION_LAST /* never use, keep last */
};
 
/* symbols to use with CURLOPT_POSTREDIR.
   CURL_REDIR_POST_301 and CURL_REDIR_POST_302 can be bitwise ORed so that
   CURL_REDIR_POST_301 | CURL_REDIR_POST_302 == CURL_REDIR_POST_ALL */
 
#define CURL_REDIR_GET_ALL  0
#define CURL_REDIR_POST_301 1
#define CURL_REDIR_POST_302 2
#define CURL_REDIR_POST_ALL (CURL_REDIR_POST_301|CURL_REDIR_POST_302)
 
typedef enum {
  CURL_TIMECOND_NONE,
 
  CURL_TIMECOND_IFMODSINCE,
  CURL_TIMECOND_IFUNMODSINCE,
  CURL_TIMECOND_LASTMOD,
 
  CURL_TIMECOND_LAST
} curl_TimeCond;
 
 
/* curl_strequal() and curl_strnequal() are subject for removal in a future
   libcurl, see lib/README.curlx for details */
CURL_EXTERN int (curl_strequal)(const char *s1, const char *s2);
CURL_EXTERN int (curl_strnequal)(const char *s1, const char *s2, size_t n);
 
/* name is uppercase CURLFORM_<name> */
#ifdef CFINIT
#undef CFINIT
#endif
 
#ifdef CURL_ISOCPP
#define CFINIT(name) CURLFORM_ ## name
#else
/* The macro "##" is ISO C, we assume pre-ISO C doesn't support it. */
#define CFINIT(name) CURLFORM_/**/name
#endif
 
typedef enum {
  CFINIT(NOTHING),        /********* the first one is unused ************/
 
  /*  */
  CFINIT(COPYNAME),
  CFINIT(PTRNAME),
  CFINIT(NAMELENGTH),
  CFINIT(COPYCONTENTS),
  CFINIT(PTRCONTENTS),
  CFINIT(CONTENTSLENGTH),
  CFINIT(FILECONTENT),
  CFINIT(ARRAY),
  CFINIT(OBSOLETE),
  CFINIT(FILE),
 
  CFINIT(BUFFER),
  CFINIT(BUFFERPTR),
  CFINIT(BUFFERLENGTH),
 
  CFINIT(CONTENTTYPE),
  CFINIT(CONTENTHEADER),
  CFINIT(FILENAME),
  CFINIT(END),
  CFINIT(OBSOLETE2),
 
  CFINIT(STREAM),
 
  CURLFORM_LASTENTRY /* the last unused */
} CURLformoption;
 
#undef CFINIT /* done */
 
/* structure to be used as parameter for CURLFORM_ARRAY */
struct curl_forms {
  CURLformoption option;
  const char     *value;
};
 
/* use this for multipart formpost building */
/* Returns code for curl_formadd()
 *
 * Returns:
 * CURL_FORMADD_OK             on success
 * CURL_FORMADD_MEMORY         if the FormInfo allocation fails
 * CURL_FORMADD_OPTION_TWICE   if one option is given twice for one Form
 * CURL_FORMADD_NULL           if a null pointer was given for a char
 * CURL_FORMADD_MEMORY         if the allocation of a FormInfo struct failed
 * CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
 * CURL_FORMADD_INCOMPLETE     if the some FormInfo is not complete (or error)
 * CURL_FORMADD_MEMORY         if a curl_httppost struct cannot be allocated
 * CURL_FORMADD_MEMORY         if some allocation for string copying failed.
 * CURL_FORMADD_ILLEGAL_ARRAY  if an illegal option is used in an array
 *
 ***************************************************************************/
typedef enum {
  CURL_FORMADD_OK, /* first, no error */
 
  CURL_FORMADD_MEMORY,
  CURL_FORMADD_OPTION_TWICE,
  CURL_FORMADD_NULL,
  CURL_FORMADD_UNKNOWN_OPTION,
  CURL_FORMADD_INCOMPLETE,
  CURL_FORMADD_ILLEGAL_ARRAY,
  CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
 
  CURL_FORMADD_LAST /* last */
} CURLFORMcode;
 
/*
 * NAME curl_formadd()
 *
 * DESCRIPTION
 *
 * Pretty advanced function for building multi-part formposts. Each invoke
 * adds one part that together construct a full post. Then use
 * CURLOPT_HTTPPOST to send it off to libcurl.
 */
CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
                                      struct curl_httppost **last_post,
                                      ...);
 
/*
 * callback function for curl_formget()
 * The void *arg pointer will be the one passed as second argument to
 *   curl_formget().
 * The character buffer passed to it must not be freed.
 * Should return the buffer length passed to it as the argument "len" on
 *   success.
 */
typedef size_t (*curl_formget_callback)(void *arg, const char *buf, size_t len);
 
/*
 * NAME curl_formget()
 *
 * DESCRIPTION
 *
 * Serialize a curl_httppost struct built with curl_formadd().
 * Accepts a void pointer as second argument which will be passed to
 * the curl_formget_callback function.
 * Returns 0 on success.
 */
CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
                             curl_formget_callback append);
/*
 * NAME curl_formfree()
 *
 * DESCRIPTION
 *
 * Free a multipart formpost previously built with curl_formadd().
 */
CURL_EXTERN void curl_formfree(struct curl_httppost *form);
 
/*
 * NAME curl_getenv()
 *
 * DESCRIPTION
 *
 * Returns a malloc()'ed string that MUST be curl_free()ed after usage is
 * complete. DEPRECATED - see lib/README.curlx
 */
CURL_EXTERN char *curl_getenv(const char *variable);
 
/*
 * NAME curl_version()
 *
 * DESCRIPTION
 *
 * Returns a static ascii string of the libcurl version.
 */
CURL_EXTERN char *curl_version(void);
 
/*
 * NAME curl_easy_escape()
 *
 * DESCRIPTION
 *
 * Escapes URL strings (converts all letters consider illegal in URLs to their
 * %XX versions). This function returns a new allocated string or NULL if an
 * error occurred.
 */
CURL_EXTERN char *curl_easy_escape(CURL *handle,
                                   const char *string,
                                   int length);
 
/* the previous version: */
CURL_EXTERN char *curl_escape(const char *string,
                              int length);
 
 
/*
 * NAME curl_easy_unescape()
 *
 * DESCRIPTION
 *
 * Unescapes URL encoding in strings (converts all %XX codes to their 8bit
 * versions). This function returns a new allocated string or NULL if an error
 * occurred.
 * Conversion Note: On non-ASCII platforms the ASCII %XX codes are
 * converted into the host encoding.
 */
CURL_EXTERN char *curl_easy_unescape(CURL *handle,
                                     const char *string,
                                     int length,
                                     int *outlength);
 
/* the previous version */
CURL_EXTERN char *curl_unescape(const char *string,
                                int length);
 
/*
 * NAME curl_free()
 *
 * DESCRIPTION
 *
 * Provided for de-allocation in the same translation unit that did the
 * allocation. Added in libcurl 7.10
 */
CURL_EXTERN void curl_free(void *p);
 
/*
 * NAME curl_global_init()
 *
 * DESCRIPTION
 *
 * curl_global_init() should be invoked exactly once for each application that
 * uses libcurl
 */
CURL_EXTERN CURLcode curl_global_init(long flags);
 
/*
 * NAME curl_global_init_mem()
 *
 * DESCRIPTION
 *
 * curl_global_init() or curl_global_init_mem() should be invoked exactly once
 * for each application that uses libcurl.  This function can be used to
 * initialize libcurl and set user defined memory management callback
 * functions.  Users can implement memory management routines to check for
 * memory leaks, check for mis-use of the curl library etc.  User registered
 * callback routines with be invoked by this library instead of the system
 * memory management routines like malloc, free etc.
 */
CURL_EXTERN CURLcode curl_global_init_mem(long flags,
                                          curl_malloc_callback m,
                                          curl_free_callback f,
                                          curl_realloc_callback r,
                                          curl_strdup_callback s,
                                          curl_calloc_callback c);
 
/*
 * NAME curl_global_cleanup()
 *
 * DESCRIPTION
 *
 * curl_global_cleanup() should be invoked exactly once for each application
 * that uses libcurl
 */
CURL_EXTERN void curl_global_cleanup(void);
 
/* linked-list structure for the CURLOPT_QUOTE option (and other) */
struct curl_slist {
  char *data;
  struct curl_slist *next;
};
 
/*
 * NAME curl_slist_append()
 *
 * DESCRIPTION
 *
 * Appends a string to a linked list. If no list exists, it will be created
 * first. Returns the new list, after appending.
 */
CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
                                                 const char *);
 
/*
 * NAME curl_slist_free_all()
 *
 * DESCRIPTION
 *
 * free a previously built curl_slist.
 */
CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
 
/*
 * NAME curl_getdate()
 *
 * DESCRIPTION
 *
 * Returns the time, in seconds since 1 Jan 1970 of the time string given in
 * the first argument. The time argument in the second parameter is unused
 * and should be set to NULL.
 */
CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
 
/* info about the certificate chain, only for OpenSSL builds. Asked
   for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
struct curl_certinfo {
  int num_of_certs;             /* number of certificates with information */
  struct curl_slist **certinfo; /* for each index in this array, there's a
                                   linked list with textual information in the
                                   format "name: value" */
};
 
#define CURLINFO_STRING   0x100000
#define CURLINFO_LONG     0x200000
#define CURLINFO_DOUBLE   0x300000
#define CURLINFO_SLIST    0x400000
#define CURLINFO_MASK     0x0fffff
#define CURLINFO_TYPEMASK 0xf00000
 
typedef enum {
  CURLINFO_NONE, /* first, never use this */
  CURLINFO_EFFECTIVE_URL    = CURLINFO_STRING + 1,
  CURLINFO_RESPONSE_CODE    = CURLINFO_LONG   + 2,
  CURLINFO_TOTAL_TIME       = CURLINFO_DOUBLE + 3,
  CURLINFO_NAMELOOKUP_TIME  = CURLINFO_DOUBLE + 4,
  CURLINFO_CONNECT_TIME     = CURLINFO_DOUBLE + 5,
  CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
  CURLINFO_SIZE_UPLOAD      = CURLINFO_DOUBLE + 7,
  CURLINFO_SIZE_DOWNLOAD    = CURLINFO_DOUBLE + 8,
  CURLINFO_SPEED_DOWNLOAD   = CURLINFO_DOUBLE + 9,
  CURLINFO_SPEED_UPLOAD     = CURLINFO_DOUBLE + 10,
  CURLINFO_HEADER_SIZE      = CURLINFO_LONG   + 11,
  CURLINFO_REQUEST_SIZE     = CURLINFO_LONG   + 12,
  CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG   + 13,
  CURLINFO_FILETIME         = CURLINFO_LONG   + 14,
  CURLINFO_CONTENT_LENGTH_DOWNLOAD   = CURLINFO_DOUBLE + 15,
  CURLINFO_CONTENT_LENGTH_UPLOAD     = CURLINFO_DOUBLE + 16,
  CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
  CURLINFO_CONTENT_TYPE     = CURLINFO_STRING + 18,
  CURLINFO_REDIRECT_TIME    = CURLINFO_DOUBLE + 19,
  CURLINFO_REDIRECT_COUNT   = CURLINFO_LONG   + 20,
  CURLINFO_PRIVATE          = CURLINFO_STRING + 21,
  CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG   + 22,
  CURLINFO_HTTPAUTH_AVAIL   = CURLINFO_LONG   + 23,
  CURLINFO_PROXYAUTH_AVAIL  = CURLINFO_LONG   + 24,
  CURLINFO_OS_ERRNO         = CURLINFO_LONG   + 25,
  CURLINFO_NUM_CONNECTS     = CURLINFO_LONG   + 26,
  CURLINFO_SSL_ENGINES      = CURLINFO_SLIST  + 27,
  CURLINFO_COOKIELIST       = CURLINFO_SLIST  + 28,
  CURLINFO_LASTSOCKET       = CURLINFO_LONG   + 29,
  CURLINFO_FTP_ENTRY_PATH   = CURLINFO_STRING + 30,
  CURLINFO_REDIRECT_URL     = CURLINFO_STRING + 31,
  CURLINFO_PRIMARY_IP       = CURLINFO_STRING + 32,
  CURLINFO_APPCONNECT_TIME  = CURLINFO_DOUBLE + 33,
  CURLINFO_CERTINFO         = CURLINFO_SLIST  + 34,
  /* Fill in new entries below here! */
 
  CURLINFO_LASTONE          = 34
} CURLINFO;
 
/* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
   CURLINFO_HTTP_CODE */
#define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
 
typedef enum {
  CURLCLOSEPOLICY_NONE, /* first, never use this */
 
  CURLCLOSEPOLICY_OLDEST,
  CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
  CURLCLOSEPOLICY_LEAST_TRAFFIC,
  CURLCLOSEPOLICY_SLOWEST,
  CURLCLOSEPOLICY_CALLBACK,
 
  CURLCLOSEPOLICY_LAST /* last, never use this */
} curl_closepolicy;
 
#define CURL_GLOBAL_SSL (1<<0)
#define CURL_GLOBAL_WIN32 (1<<1)
#define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
#define CURL_GLOBAL_NOTHING 0
#define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
 
 
/*****************************************************************************
 * Setup defines, protos etc for the sharing stuff.
 */
 
/* Different data locks for a single share */
typedef enum {
  CURL_LOCK_DATA_NONE = 0,
  /*  CURL_LOCK_DATA_SHARE is used internally to say that
   *  the locking is just made to change the internal state of the share
   *  itself.
   */
  CURL_LOCK_DATA_SHARE,
  CURL_LOCK_DATA_COOKIE,
  CURL_LOCK_DATA_DNS,
  CURL_LOCK_DATA_SSL_SESSION,
  CURL_LOCK_DATA_CONNECT,
  CURL_LOCK_DATA_LAST
} curl_lock_data;
 
/* Different lock access types */
typedef enum {
  CURL_LOCK_ACCESS_NONE = 0,   /* unspecified action */
  CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
  CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
  CURL_LOCK_ACCESS_LAST        /* never use */
} curl_lock_access;
 
typedef void (*curl_lock_function)(CURL *handle,
                                   curl_lock_data data,
                                   curl_lock_access locktype,
                                   void *userptr);
typedef void (*curl_unlock_function)(CURL *handle,
                                     curl_lock_data data,
                                     void *userptr);
 
typedef void CURLSH;
 
typedef enum {
  CURLSHE_OK,  /* all is fine */
  CURLSHE_BAD_OPTION, /* 1 */
  CURLSHE_IN_USE,     /* 2 */
  CURLSHE_INVALID,    /* 3 */
  CURLSHE_NOMEM,      /* out of memory */
  CURLSHE_LAST /* never use */
} CURLSHcode;
 
typedef enum {
  CURLSHOPT_NONE,  /* don't use */
  CURLSHOPT_SHARE,   /* specify a data type to share */
  CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
  CURLSHOPT_LOCKFUNC,   /* pass in a 'curl_lock_function' pointer */
  CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
  CURLSHOPT_USERDATA,   /* pass in a user data pointer used in the lock/unlock
                           callback functions */
  CURLSHOPT_LAST  /* never use */
} CURLSHoption;
 
CURL_EXTERN CURLSH *curl_share_init(void);
CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
 
/****************************************************************************
 * Structures for querying information about the curl library at runtime.
 */
 
typedef enum {
  CURLVERSION_FIRST,
  CURLVERSION_SECOND,
  CURLVERSION_THIRD,
  CURLVERSION_FOURTH,
  CURLVERSION_LAST /* never actually use this */
} CURLversion;
 
/* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
   basically all programs ever that want to get version information. It is
   meant to be a built-in version number for what kind of struct the caller
   expects. If the struct ever changes, we redefine the NOW to another enum
   from above. */
#define CURLVERSION_NOW CURLVERSION_FOURTH
 
typedef struct {
  CURLversion age;          /* age of the returned struct */
  const char *version;      /* LIBCURL_VERSION */
  unsigned int version_num; /* LIBCURL_VERSION_NUM */
  const char *host;         /* OS/host/cpu/machine when configured */
  int features;             /* bitmask, see defines below */
  const char *ssl_version;  /* human readable string */
  long ssl_version_num;     /* not used anymore, always 0 */
  const char *libz_version; /* human readable string */
  /* protocols is terminated by an entry with a NULL protoname */
  const char * const *protocols;
 
  /* The fields below this were added in CURLVERSION_SECOND */
  const char *ares;
  int ares_num;
 
  /* This field was added in CURLVERSION_THIRD */
  const char *libidn;
 
  /* These field were added in CURLVERSION_FOURTH */
 
  /* Same as '_libiconv_version' if built with HAVE_ICONV */
  int iconv_ver_num;
 
  const char *libssh_version; /* human readable string */
 
} curl_version_info_data;
 
#define CURL_VERSION_IPV6      (1<<0)  /* IPv6-enabled */
#define CURL_VERSION_KERBEROS4 (1<<1)  /* kerberos auth is supported */
#define CURL_VERSION_SSL       (1<<2)  /* SSL options are present */
#define CURL_VERSION_LIBZ      (1<<3)  /* libz features are present */
#define CURL_VERSION_NTLM      (1<<4)  /* NTLM auth is supported */
#define CURL_VERSION_GSSNEGOTIATE (1<<5) /* Negotiate auth support */
#define CURL_VERSION_DEBUG     (1<<6)  /* built with debug capabilities */
#define CURL_VERSION_ASYNCHDNS (1<<7)  /* asynchronous dns resolves */
#define CURL_VERSION_SPNEGO    (1<<8)  /* SPNEGO auth */
#define CURL_VERSION_LARGEFILE (1<<9)  /* supports files bigger than 2GB */
#define CURL_VERSION_IDN       (1<<10) /* International Domain Names support */
#define CURL_VERSION_SSPI      (1<<11) /* SSPI is supported */
#define CURL_VERSION_CONV      (1<<12) /* character conversions are
                                          supported */
 
/*
 * NAME curl_version_info()
 *
 * DESCRIPTION
 *
 * This function returns a pointer to a static copy of the version info
 * struct. See above.
 */
CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
 
/*
 * NAME curl_easy_strerror()
 *
 * DESCRIPTION
 *
 * The curl_easy_strerror function may be used to turn a CURLcode value
 * into the equivalent human readable error string.  This is useful
 * for printing meaningful error messages.
 */
CURL_EXTERN const char *curl_easy_strerror(CURLcode);
 
/*
 * NAME curl_share_strerror()
 *
 * DESCRIPTION
 *
 * The curl_share_strerror function may be used to turn a CURLSHcode value
 * into the equivalent human readable error string.  This is useful
 * for printing meaningful error messages.
 */
CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
 
/*
 * NAME curl_easy_pause()
 *
 * DESCRIPTION
 *
 * The curl_easy_pause function pauses or unpauses transfers. Select the new
 * state by setting the bitmask, use the convenience defines below.
 *
 */
CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
 
#define CURLPAUSE_RECV      (1<<0)
#define CURLPAUSE_RECV_CONT (0)
 
#define CURLPAUSE_SEND      (1<<2)
#define CURLPAUSE_SEND_CONT (0)
 
#define CURLPAUSE_ALL       (CURLPAUSE_RECV|CURLPAUSE_SEND)
#define CURLPAUSE_CONT      (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
 
#ifdef  __cplusplus
}
#endif
 
/* unfortunately, the easy.h and multi.h include files need options and info
  stuff before they can be included! */
#include "easy.h" /* nothing in curl is fun without the easy stuff */
#include "multi.h"
 
/* the typechecker doesn't work in C++ (yet) */
#if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
    ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
    !defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
#include "typecheck-gcc.h"
#else
#if defined(__STDC__) && (__STDC__ >= 1)
/* This preprocessor magic that replaces a call with the exact same call is
   only done to make sure application authors pass exactly three arguments
   to these functions. */
#define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
#define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
#endif /* __STDC__ >= 1 */
#endif /* gcc >= 4.3 && !__cplusplus */
 
#endif /* __CURL_CURL_H */

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