wininet.h

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BOOLAPI
InternetGetLastResponseInfoA(
    OUT LPDWORD lpdwError,
    OUT LPSTR lpszBuffer OPTIONAL,
    IN OUT LPDWORD lpdwBufferLength
    );
BOOLAPI
InternetGetLastResponseInfoW(
    OUT LPDWORD lpdwError,
    OUT LPWSTR lpszBuffer OPTIONAL,
    IN OUT LPDWORD lpdwBufferLength
    );
#ifdef UNICODE
#define InternetGetLastResponseInfo  InternetGetLastResponseInfoW
#else
#define InternetGetLastResponseInfo  InternetGetLastResponseInfoA
#endif // !UNICODE

//
// callback function for InternetSetStatusCallback
//

typedef
VOID
(CALLBACK * INTERNET_STATUS_CALLBACK)(
    IN HINTERNET hInternet,
    IN DWORD_PTR dwContext,
    IN DWORD dwInternetStatus,
    IN LPVOID lpvStatusInformation OPTIONAL,
    IN DWORD dwStatusInformationLength
    );

typedef INTERNET_STATUS_CALLBACK * LPINTERNET_STATUS_CALLBACK;

INTERNETAPI
INTERNET_STATUS_CALLBACK
WINAPI
InternetSetStatusCallbackA(
    IN HINTERNET hInternet,
    IN INTERNET_STATUS_CALLBACK lpfnInternetCallback
    );

INTERNETAPI
INTERNET_STATUS_CALLBACK
WINAPI
InternetSetStatusCallbackW(
    IN HINTERNET hInternet,
    IN INTERNET_STATUS_CALLBACK lpfnInternetCallback
    );

#ifdef UNICODE
#define InternetSetStatusCallback  InternetSetStatusCallbackW
#else
#ifdef _WINX32_
#define InternetSetStatusCallback  InternetSetStatusCallbackA
#else
INTERNETAPI
INTERNET_STATUS_CALLBACK
WINAPI
InternetSetStatusCallback(
    IN HINTERNET hInternet,
    IN INTERNET_STATUS_CALLBACK lpfnInternetCallback
    );
#endif // _WINX32_
#endif // !UNICODE

//
// status manifests for Internet status callback
//

#define INTERNET_STATUS_RESOLVING_NAME          10
#define INTERNET_STATUS_NAME_RESOLVED           11
#define INTERNET_STATUS_CONNECTING_TO_SERVER    20
#define INTERNET_STATUS_CONNECTED_TO_SERVER     21
#define INTERNET_STATUS_SENDING_REQUEST         30
#define INTERNET_STATUS_REQUEST_SENT            31
#define INTERNET_STATUS_RECEIVING_RESPONSE      40
#define INTERNET_STATUS_RESPONSE_RECEIVED       41
#define INTERNET_STATUS_CTL_RESPONSE_RECEIVED   42
#define INTERNET_STATUS_PREFETCH                43
#define INTERNET_STATUS_CLOSING_CONNECTION      50
#define INTERNET_STATUS_CONNECTION_CLOSED       51
#define INTERNET_STATUS_HANDLE_CREATED          60
#define INTERNET_STATUS_HANDLE_CLOSING          70
#define INTERNET_STATUS_DETECTING_PROXY         80
#define INTERNET_STATUS_REQUEST_COMPLETE        100
#define INTERNET_STATUS_REDIRECT                110
#define INTERNET_STATUS_INTERMEDIATE_RESPONSE   120
#define INTERNET_STATUS_USER_INPUT_REQUIRED     140
#define INTERNET_STATUS_STATE_CHANGE            200

//
// the following can be indicated in a state change notification:
//

#define INTERNET_STATE_CONNECTED                0x00000001  // connected state (mutually exclusive with disconnected)
#define INTERNET_STATE_DISCONNECTED             0x00000002  // disconnected from network
#define INTERNET_STATE_DISCONNECTED_BY_USER     0x00000010  // disconnected by user request
#define INTERNET_STATE_IDLE                     0x00000100  // no network requests being made (by Wininet)
#define INTERNET_STATE_BUSY                     0x00000200  // network requests being made (by Wininet)


//
// if the following value is returned by InternetSetStatusCallback, then
// probably an invalid (non-code) address was supplied for the callback
//

#define INTERNET_INVALID_STATUS_CALLBACK        ((INTERNET_STATUS_CALLBACK)(-1L))

//
// FTP
//

//
// manifests
//

#define FTP_TRANSFER_TYPE_UNKNOWN   0x00000000
#define FTP_TRANSFER_TYPE_ASCII     0x00000001
#define FTP_TRANSFER_TYPE_BINARY    0x00000002

#define FTP_TRANSFER_TYPE_MASK      (FTP_TRANSFER_TYPE_ASCII | FTP_TRANSFER_TYPE_BINARY)

//
// prototypes
//

INTERNETAPI
HINTERNET
WINAPI
FtpFindFirstFileA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszSearchFile OPTIONAL,
    OUT LPWIN32_FIND_DATAA lpFindFileData OPTIONAL,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
INTERNETAPI
HINTERNET
WINAPI
FtpFindFirstFileW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszSearchFile OPTIONAL,
    OUT LPWIN32_FIND_DATAW lpFindFileData OPTIONAL,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
#ifdef UNICODE
#define FtpFindFirstFile  FtpFindFirstFileW
#else
#define FtpFindFirstFile  FtpFindFirstFileA
#endif // !UNICODE

BOOLAPI
FtpGetFileA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszRemoteFile,
    IN LPCSTR lpszNewFile,
    IN BOOL fFailIfExists,
    IN DWORD dwFlagsAndAttributes,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
BOOLAPI
FtpGetFileW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszRemoteFile,
    IN LPCWSTR lpszNewFile,
    IN BOOL fFailIfExists,
    IN DWORD dwFlagsAndAttributes,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
#ifdef UNICODE
#define FtpGetFile  FtpGetFileW
#else
#define FtpGetFile  FtpGetFileA
#endif // !UNICODE

BOOLAPI
FtpPutFileA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszLocalFile,
    IN LPCSTR lpszNewRemoteFile,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
BOOLAPI
FtpPutFileW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszLocalFile,
    IN LPCWSTR lpszNewRemoteFile,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
#ifdef UNICODE
#define FtpPutFile  FtpPutFileW
#else
#define FtpPutFile  FtpPutFileA
#endif // !UNICODE

BOOLAPI
FtpGetFileEx(
    IN HINTERNET hFtpSession,
    IN LPCSTR lpszRemoteFile,
    IN LPCWSTR lpszNewFile,
    IN BOOL fFailIfExists,
    IN DWORD dwFlagsAndAttributes,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );

BOOLAPI    
FtpPutFileEx(
    IN HINTERNET hFtpSession,
    IN LPCWSTR lpszLocalFile,
    IN LPCSTR lpszNewRemoteFile,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );

BOOLAPI
FtpDeleteFileA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszFileName
    );
BOOLAPI
FtpDeleteFileW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszFileName
    );
#ifdef UNICODE
#define FtpDeleteFile  FtpDeleteFileW
#else
#define FtpDeleteFile  FtpDeleteFileA
#endif // !UNICODE

BOOLAPI
FtpRenameFileA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszExisting,
    IN LPCSTR lpszNew
    );
BOOLAPI
FtpRenameFileW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszExisting,
    IN LPCWSTR lpszNew
    );
#ifdef UNICODE
#define FtpRenameFile  FtpRenameFileW
#else
#define FtpRenameFile  FtpRenameFileA
#endif // !UNICODE

INTERNETAPI
HINTERNET
WINAPI
FtpOpenFileA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszFileName,
    IN DWORD dwAccess,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
INTERNETAPI
HINTERNET
WINAPI
FtpOpenFileW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszFileName,
    IN DWORD dwAccess,
    IN DWORD dwFlags,
    IN DWORD_PTR dwContext
    );
#ifdef UNICODE
#define FtpOpenFile  FtpOpenFileW
#else
#define FtpOpenFile  FtpOpenFileA
#endif // !UNICODE

BOOLAPI
FtpCreateDirectoryA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszDirectory
    );
BOOLAPI
FtpCreateDirectoryW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszDirectory
    );
#ifdef UNICODE
#define FtpCreateDirectory  FtpCreateDirectoryW
#else
#define FtpCreateDirectory  FtpCreateDirectoryA
#endif // !UNICODE

BOOLAPI
FtpRemoveDirectoryA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszDirectory
    );
BOOLAPI
FtpRemoveDirectoryW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszDirectory
    );
#ifdef UNICODE
#define FtpRemoveDirectory  FtpRemoveDirectoryW
#else
#define FtpRemoveDirectory  FtpRemoveDirectoryA
#endif // !UNICODE

BOOLAPI
FtpSetCurrentDirectoryA(
    IN HINTERNET hConnect,
    IN LPCSTR lpszDirectory
    );
BOOLAPI
FtpSetCurrentDirectoryW(
    IN HINTERNET hConnect,
    IN LPCWSTR lpszDirectory
    );
#ifdef UNICODE
#define FtpSetCurrentDirectory  FtpSetCurrentDirectoryW
#else
#define FtpSetCurrentDirectory  FtpSetCurrentDirectoryA
#endif // !UNICODE

BOOLAPI
FtpGetCurrentDirectoryA(
    IN HINTERNET hConnect,
    OUT LPSTR lpszCurrentDirectory,
    IN OUT LPDWORD lpdwCurrentDirectory
    );
BOOLAPI
FtpGetCurrentDirectoryW(
    IN HINTERNET hConnect,
    OUT LPWSTR lpszCurrentDirectory,
    IN OUT LPDWORD lpdwCurrentDirectory
    );
#ifdef UNICODE
#define FtpGetCurrentDirectory  FtpGetCurrentDirectoryW
#else
#define FtpGetCurrentDirectory  FtpGetCurrentDirectoryA
#endif // !UNICODE

BOOLAPI
FtpCommandA(
    IN HINTERNET hConnect,
    IN BOOL fExpectResponse,
    IN DWORD dwFlags,
    IN LPCSTR lpszCommand,
    IN DWORD_PTR dwContext,
    OUT HINTERNET *phFtpCommand OPTIONAL
    );
BOOLAPI
FtpCommandW(
    IN HINTERNET hConnect,
    IN BOOL fExpectResponse,
    IN DWORD dwFlags,
    IN LPCWSTR lpszCommand,
    IN DWORD_PTR dwContext,
    OUT HINTERNET *phFtpCommand OPTIONAL
    );
#ifdef UNICODE
#define FtpCommand  FtpCommandW
#else
#define FtpCommand  FtpCommandA
#endif // !UNICODE

INTERNETAPI
DWORD
WINAPI
FtpGetFileSize(
    IN HINTERNET hFile,
    OUT LPDWORD lpdwFileSizeHigh OPTIONAL
    );



//
// Gopher
//

//
// manifests
//

//
// string field lengths (in characters, not bytes)
//

#define MAX_GOPHER_DISPLAY_TEXT     128
#define MAX_GOPHER_SELECTOR_TEXT    256
#define MAX_GOPHER_HOST_NAME        INTERNET_MAX_HOST_NAME_LENGTH
#define MAX_GOPHER_LOCATOR_LENGTH   (1                                  \
                                    + MAX_GOPHER_DISPLAY_TEXT           \
                                    + 1                                 \
                                    + MAX_GOPHER_SELECTOR_TEXT          \
                                    + 1                                 \
                                    + MAX_GOPHER_HOST_NAME              \
                                    + 1                                 \
                                    + INTERNET_MAX_PORT_NUMBER_LENGTH   \
                                    + 1                                 \
                                    + 1                                 \
                                    + 2                                 \