/* -*- C -*-
 *
 * Wine server protocol definition
 *
 * Copyright (C) 2001 Alexandre Julliard
 *
 * This file is used by tools/make_requests to build the
 * protocol structures in include/wine/server_protocol.h
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

@HEADER  /* start of C declarations */

#include <stdlib.h>
#include <time.h>
#include "winbase.h"

struct request_header
{
    int          req;          /* request code */
    size_t       request_size; /* request variable part size */
    size_t       reply_size;   /* reply variable part maximum size */
};

struct reply_header
{
    unsigned int error;        /* error result */
    size_t       reply_size;   /* reply variable part size */
};

/* placeholder structure for the maximum allowed request size */
/* this is used to construct the generic_request union */
struct request_max_size
{
    int pad[16]; /* the max request size is 16 ints */
};

/* max size of the variable part of a request */
#define REQUEST_MAX_VAR_SIZE  1024

typedef int handle_t;
typedef unsigned short atom_t;
typedef unsigned int user_handle_t;

#define FIRST_USER_HANDLE 0x0020  /* first possible value for low word of user handle */
#define LAST_USER_HANDLE  0xffef  /* last possible value for low word of user handle */


/* definitions of the event data depending on the event code */
struct debug_event_exception
{
    EXCEPTION_RECORD record;   /* exception record */
    int              first;    /* first chance exception? */
};
struct debug_event_create_thread
{
    handle_t    handle;     /* handle to the new thread */
    void       *teb;        /* thread teb (in debugged process address space) */
    void       *start;      /* thread startup routine */
};
struct debug_event_create_process
{
    handle_t    file;       /* handle to the process exe file */
    handle_t    process;    /* handle to the new process */
    handle_t    thread;     /* handle to the new thread */
    void       *base;       /* base of executable image */
    int         dbg_offset; /* offset of debug info in file */
    int         dbg_size;   /* size of debug info */
    void       *teb;        /* thread teb (in debugged process address space) */
    void       *start;      /* thread startup routine */
    void       *name;       /* image name (optional) */
    int         unicode;    /* is it Unicode? */
};
struct debug_event_exit
{
    int         exit_code;  /* thread or process exit code */
};
struct debug_event_load_dll
{
    handle_t    handle;     /* file handle for the dll */
    void       *base;       /* base address of the dll */
    int         dbg_offset; /* offset of debug info in file */
    int         dbg_size;   /* size of debug info */
    void       *name;       /* image name (optional) */
    int         unicode;    /* is it Unicode? */
};
struct debug_event_unload_dll
{
    void       *base;       /* base address of the dll */
};
struct debug_event_output_string
{
    void       *string;     /* string to display (in debugged process address space) */
    int         unicode;    /* is it Unicode? */
    int         length;     /* string length */
};
struct debug_event_rip_info
{
    int         error;      /* ??? */
    int         type;       /* ??? */
};
union debug_event_data
{
    struct debug_event_exception      exception;
    struct debug_event_create_thread  create_thread;
    struct debug_event_create_process create_process;
    struct debug_event_exit           exit;
    struct debug_event_load_dll       load_dll;
    struct debug_event_unload_dll     unload_dll;
    struct debug_event_output_string  output_string;
    struct debug_event_rip_info       rip_info;
};

/* debug event data */
typedef struct
{
    int                      code;   /* event code */
    union debug_event_data   info;   /* event information */
} debug_event_t;

/* structure used in sending an fd from client to server */
struct send_fd
{
    void  *tid;  /* thread id */
    int    fd;   /* file descriptor on client-side */
};

/* structure sent by the server on the wait fifo */
struct wake_up_reply
{
    void *cookie;    /* magic cookie that was passed in select_request */
    int   signaled;  /* wait result */
};

/* structure returned in the list of window properties */
typedef struct
{
    atom_t         atom;     /* property atom */
    short          string;   /* was atom a string originally? */
    handle_t       handle;   /* handle stored in property */
} property_data_t;

/* structure to specify window rectangles */
typedef struct
{
    int  left;
    int  top;
    int  right;
    int  bottom;
} rectangle_t;

/* structure for console char/attribute info */
typedef struct
{
    WCHAR          ch;
    unsigned short attr;
} char_info_t;

/****************************************************************/
/* Request declarations */

/* Create a new process from the context of the parent */
@REQ(new_process)
    int          inherit_all;  /* inherit all handles from parent */
    int          create_flags; /* creation flags */
    int          start_flags;  /* flags from startup info */
    handle_t     exe_file;     /* file handle for main exe */
    handle_t     hstdin;       /* handle for stdin */
    handle_t     hstdout;      /* handle for stdout */
    handle_t     hstderr;      /* handle for stderr */
    int          cmd_show;     /* main window show mode */
    VARARG(filename,string);   /* file name of main exe */
@REPLY
    handle_t     info;         /* new process info handle */
@END


/* Retrieve information about a newly started process */
@REQ(get_new_process_info)
    handle_t     info;         /* info handle returned from new_process_request */
    int          pinherit;     /* process handle inherit flag */
    int          tinherit;     /* thread handle inherit flag */
@REPLY
    void*        pid;          /* process id */
    handle_t     phandle;      /* process handle (in the current process) */
    void*        tid;          /* thread id */
    handle_t     thandle;      /* thread handle (in the current process) */
    handle_t     event;        /* event handle to signal startup */
@END


/* Create a new thread from the context of the parent */
@REQ(new_thread)
    int          suspend;      /* new thread should be suspended on creation */
    int          inherit;      /* inherit flag */
    int          request_fd;   /* fd for request pipe */
@REPLY
    void*        tid;          /* thread id */
    handle_t     handle;       /* thread handle (in the current process) */
@END


/* Signal that we are finished booting on the client side */
@REQ(boot_done)
    int          debug_level;  /* new debug level */
@END


/* Initialize a process; called from the new process context */
@REQ(init_process)
    void*        ldt_copy;     /* addr of LDT copy */
    int          ppid;         /* parent Unix pid */
@REPLY
    int          create_flags; /* creation flags */
    int          start_flags;  /* flags from startup info */
    unsigned int server_start; /* server start time (GetTickCount) */
    handle_t     exe_file;     /* file handle for main exe */
    handle_t     hstdin;       /* handle for stdin */
    handle_t     hstdout;      /* handle for stdout */
    handle_t     hstderr;      /* handle for stderr */
    int          cmd_show;     /* main window show mode */
    VARARG(filename,string);   /* file name of main exe */
@END


/* Signal the end of the process initialization */
@REQ(init_process_done)
    void*        module;       /* main module base address */
    void*        entry;        /* process entry point */
    void*        name;         /* ptr to ptr to name (in process addr space) */
    handle_t     exe_file;     /* file handle for main exe */
    int          gui;          /* is it a GUI process? */
@REPLY
    int          debugged;     /* being debugged? */
@END


/* Initialize a thread; called from the child after fork()/clone() */
@REQ(init_thread)
    int          unix_pid;     /* Unix pid of new thread */
    void*        teb;          /* TEB of new thread (in thread address space) */
    void*        entry;        /* thread entry point (in thread address space) */
    int          reply_fd;     /* fd for reply pipe */
    int          wait_fd;      /* fd for blocking calls pipe */
@REPLY
    void*        pid;          /* process id of the new thread's process */
    void*        tid;          /* thread id of the new thread */
    int          boot;         /* is this the boot thread? */
    int          version;      /* protocol version */
@END


/* Terminate a process */
@REQ(terminate_process)
    handle_t     handle;       /* process handle to terminate */
    int          exit_code;    /* process exit code */
@REPLY
    int          self;         /* suicide? */
@END


/* Terminate a thread */
@REQ(terminate_thread)
    handle_t     handle;       /* thread handle to terminate */
    int          exit_code;    /* thread exit code */
@REPLY
    int          self;         /* suicide? */
    int          last;         /* last thread in this process? */
@END


/* Retrieve information about a process */
@REQ(get_process_info)
    handle_t     handle;           /* process handle */
@REPLY
    void*        pid;              /* server process id */
    int          debugged;         /* debugged? */
    int          exit_code;        /* process exit code */
    int          priority;         /* priority class */
    int          process_affinity; /* process affinity mask */
    int          system_affinity;  /* system affinity mask */
@END


/* Set a process informations */
@REQ(set_process_info)
    handle_t     handle;       /* process handle */
    int          mask;         /* setting mask (see below) */
    int          priority;     /* priority class */
    int          affinity;     /* affinity mask */
@END
#define SET_PROCESS_INFO_PRIORITY 0x01
#define SET_PROCESS_INFO_AFFINITY 0x02


/* Retrieve information about a thread */
@REQ(get_thread_info)
    handle_t     handle;       /* thread handle */
    void*        tid_in;       /* thread id (optional) */
@REPLY
    void*        tid;          /* server thread id */
    void*        teb;          /* thread teb pointer */
    int          exit_code;    /* thread exit code */
    int          priority;     /* thread priority level */
@END


/* Set a thread informations */
@REQ(set_thread_info)
    handle_t     handle;       /* thread handle */
    int          mask;         /* setting mask (see below) */
    int          priority;     /* priority class */
    int          affinity;     /* affinity mask */
@END
#define SET_THREAD_INFO_PRIORITY 0x01
#define SET_THREAD_INFO_AFFINITY 0x02


/* Suspend a thread */
@REQ(suspend_thread)
    handle_t     handle;       /* thread handle */
@REPLY
    int          count;        /* new suspend count */
@END


/* Resume a thread */
@REQ(resume_thread)
    handle_t     handle;       /* thread handle */
@REPLY
    int          count;        /* new suspend count */
@END


/* Notify the server that a dll has been loaded */
@REQ(load_dll)
    handle_t     handle;       /* file handle */
    void*        base;         /* base address */
    int          dbg_offset;   /* debug info offset */
    int          dbg_size;     /* debug info size */
    void*        name;         /* ptr to ptr to name (in process addr space) */
@END


/* Notify the server that a dll is being unloaded */
@REQ(unload_dll)
    void*        base;         /* base address */
@END


/* Queue an APC for a thread */
@REQ(queue_apc)
    handle_t     handle;       /* thread handle */
    int          user;         /* user or system apc? */
    void*        func;         /* function to call */
    void*        param;        /* param for function to call */
@END


/* Get next APC to call */
@REQ(get_apc)
    int          alertable;    /* is thread alertable? */
@REPLY
    void*        func;         /* function to call */
    int          type;         /* function type */
    VARARG(args,ptrs);         /* function arguments */
@END
enum apc_type { APC_NONE, APC_USER, APC_TIMER, APC_ASYNC };


/* Close a handle for the current process */
@REQ(close_handle)
    handle_t     handle;       /* handle to close */
@REPLY
    int          fd;           /* associated fd to close */
@END


/* Set a handle information */
@REQ(set_handle_info)
    handle_t     handle;       /* handle we are interested in */
    int          flags;        /* new handle flags */
    int          mask;         /* mask for flags to set */
    int          fd;           /* file descriptor or -1 */
@REPLY
    int          old_flags;    /* old flag value */
    int          cur_fd;       /* current file descriptor */
@END


/* Duplicate a handle */
@REQ(dup_handle)
    handle_t     src_process;  /* src process handle */
    handle_t     src_handle;   /* src handle to duplicate */
    handle_t     dst_process;  /* dst process handle */
    unsigned int access;       /* wanted access rights */
    int          inherit;      /* inherit flag */
    int          options;      /* duplicate options (see below) */
@REPLY
    handle_t     handle;       /* duplicated handle in dst process */
    int          fd;           /* associated fd to close */
@END
#define DUP_HANDLE_CLOSE_SOURCE  DUPLICATE_CLOSE_SOURCE
#define DUP_HANDLE_SAME_ACCESS   DUPLICATE_SAME_ACCESS
#define DUP_HANDLE_MAKE_GLOBAL   0x80000000  /* Not a Windows flag */


/* Open a handle to a process */
@REQ(open_process)
    void*        pid;          /* process id to open */
    unsigned int access;       /* wanted access rights */
    int          inherit;      /* inherit flag */
@REPLY
    handle_t     handle;       /* handle to the process */
@END


/* Wait for handles */
@REQ(select)
    int          flags;        /* wait flags (see below) */
    void*        cookie;       /* magic cookie to return to client */
    int          sec;          /* absolute timeout */
    int          usec;         /* absolute timeout */
    VARARG(handles,handles);   /* handles to select on */
@END
#define SELECT_ALL           1
#define SELECT_ALERTABLE     2
#define SELECT_INTERRUPTIBLE 4
#define SELECT_TIMEOUT       8


/* Create an event */
@REQ(create_event)
    int          manual_reset;  /* manual reset event */
    int          initial_state; /* initial state of the event */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the event */
@END

/* Event operation */
@REQ(event_op)
    handle_t      handle;       /* handle to event */
    int           op;           /* event operation (see below) */
@END
enum event_op { PULSE_EVENT, SET_EVENT, RESET_EVENT };


/* Open an event */
@REQ(open_event)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the event */
@END


/* Create a mutex */
@REQ(create_mutex)
    int          owned;         /* initially owned? */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the mutex */
@END


/* Release a mutex */
@REQ(release_mutex)
    handle_t     handle;        /* handle to the mutex */
@END


/* Open a mutex */
@REQ(open_mutex)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the mutex */
@END


/* Create a semaphore */
@REQ(create_semaphore)
    unsigned int initial;       /* initial count */
    unsigned int max;           /* maximum count */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the semaphore */
@END


/* Release a semaphore */
@REQ(release_semaphore)
    handle_t     handle;        /* handle to the semaphore */
    unsigned int count;         /* count to add to semaphore */
@REPLY
    unsigned int prev_count;    /* previous semaphore count */
@END


/* Open a semaphore */
@REQ(open_semaphore)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the semaphore */
@END


/* Create a file */
@REQ(create_file)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    unsigned int sharing;       /* sharing flags */
    int          create;        /* file create action */
    unsigned int attrs;         /* file attributes for creation */
    int          drive_type;    /* type of drive the file is on */
    VARARG(filename,string);    /* file name */
@REPLY
    handle_t     handle;        /* handle to the file */
@END


/* Allocate a file handle for a Unix fd */
@REQ(alloc_file_handle)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    int          fd;            /* file descriptor on the client side */
@REPLY
    handle_t     handle;        /* handle to the file */
@END


/* Get a Unix fd to access a file */
@REQ(get_handle_fd)
    handle_t     handle;        /* handle to the file */
    unsigned int access;        /* wanted access rights */
@REPLY
    int          fd;            /* file descriptor */
    int          type;          /* the type of file (see below) */
    int          flags;         /* file read/write flags (see below) */
@END
enum fd_type
{
    FD_TYPE_INVALID,
    FD_TYPE_DEFAULT,
    FD_TYPE_CONSOLE
};
#define FD_FLAG_OVERLAPPED 0x01
#define FD_FLAG_TIMEOUT    0x02


/* Set a file current position */
@REQ(set_file_pointer)
    handle_t     handle;        /* handle to the file */
    int          low;           /* position low word */
    int          high;          /* position high word */
    int          whence;        /* whence to seek */
@REPLY
    int          new_low;       /* new position low word */
    int          new_high;      /* new position high word */
@END


/* Truncate (or extend) a file */
@REQ(truncate_file)
    handle_t     handle;        /* handle to the file */
@END


/* Set a file access and modification times */
@REQ(set_file_time)
    handle_t     handle;        /* handle to the file */
    time_t       access_time;   /* last access time */
    time_t       write_time;    /* last write time */
@END


/* Flush a file buffers */
@REQ(flush_file)
    handle_t     handle;        /* handle to the file */
@END


/* Get information about a file */
@REQ(get_file_info)
    handle_t     handle;        /* handle to the file */
@REPLY
    int          type;          /* file type */
    int          attr;          /* file attributes */
    time_t       access_time;   /* last access time */
    time_t       write_time;    /* last write time */
    int          size_high;     /* file size */
    int          size_low;      /* file size */
    int          links;         /* number of links */
    int          index_high;    /* unique index */
    int          index_low;     /* unique index */
    unsigned int serial;        /* volume serial number */
@END


/* Lock a region of a file */
@REQ(lock_file)
    handle_t     handle;        /* handle to the file */
    unsigned int offset_low;    /* offset of start of lock */
    unsigned int offset_high;   /* offset of start of lock */
    unsigned int count_low;     /* count of bytes to lock */
    unsigned int count_high;    /* count of bytes to lock */
@END


/* Unlock a region of a file */
@REQ(unlock_file)
    handle_t     handle;        /* handle to the file */
    unsigned int offset_low;    /* offset of start of unlock */
    unsigned int offset_high;   /* offset of start of unlock */
    unsigned int count_low;     /* count of bytes to unlock */
    unsigned int count_high;    /* count of bytes to unlock */
@END


/* Create an anonymous pipe */
@REQ(create_pipe)
    int          inherit;       /* inherit flag */
@REPLY
    handle_t     handle_read;   /* handle to the read-side of the pipe */
    handle_t     handle_write;  /* handle to the write-side of the pipe */
@END


/* Create a socket */
@REQ(create_socket)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    int          family;        /* family, see socket manpage */
    int          type;          /* type, see socket manpage */
    int          protocol;      /* protocol, see socket manpage */
    unsigned int flags;         /* socket flags */
@REPLY
    handle_t     handle;        /* handle to the new socket */
@END


/* Accept a socket */
@REQ(accept_socket)
    handle_t     lhandle;       /* handle to the listening socket */
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
@REPLY
    handle_t     handle;        /* handle to the new socket */
@END


/* Set socket event parameters */
@REQ(set_socket_event)
    handle_t     handle;        /* handle to the socket */
    unsigned int mask;          /* event mask */
    handle_t     event;         /* event object */
@END


/* Get socket event parameters */
@REQ(get_socket_event)
    handle_t     handle;        /* handle to the socket */
    int          service;       /* clear pending? */
    handle_t     s_event;       /* "expected" event object */
    handle_t     c_event;       /* event to clear */
@REPLY
    unsigned int mask;          /* event mask */
    unsigned int pmask;         /* pending events */
    unsigned int state;         /* status bits */
    VARARG(errors,ints);        /* event errors */
@END


/* Reenable pending socket events */
@REQ(enable_socket_event)
    handle_t     handle;        /* handle to the socket */
    unsigned int mask;          /* events to re-enable */
    unsigned int sstate;        /* status bits to set */
    unsigned int cstate;        /* status bits to clear */
@END


/* Allocate a console (only used by a console renderer) */
@REQ(alloc_console)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    void*        pid;           /* pid of process which shall be attached to the console */
@REPLY
    handle_t     handle_in;     /* handle to console input */
    handle_t     event;         /* handle to renderer events change notification */
@END


/* Free the console of the current process */
@REQ(free_console)
@END


#define CONSOLE_RENDERER_NONE_EVENT        0x00
#define CONSOLE_RENDERER_TITLE_EVENT       0x01
#define CONSOLE_RENDERER_ACTIVE_SB_EVENT   0x02
#define CONSOLE_RENDERER_SB_RESIZE_EVENT   0x03
#define CONSOLE_RENDERER_UPDATE_EVENT      0x04
#define CONSOLE_RENDERER_CURSOR_POS_EVENT  0x05
#define CONSOLE_RENDERER_CURSOR_GEOM_EVENT 0x06
#define CONSOLE_RENDERER_DISPLAY_EVENT     0x07
#define CONSOLE_RENDERER_EXIT_EVENT        0x08
struct console_renderer_event
{
    short event;
    union
    {
        struct update
        {
            short top;
            short bottom;
        } update;
        struct resize
        {
            short width;
            short height;
        } resize;
        struct cursor_pos
        {
            short x;
            short y;
        } cursor_pos;
        struct cursor_geom
        {
            short visible;
            short size;
        } cursor_geom;
        struct display
        {
            short left;
            short top;
            short width;
            short height;
        } display;
    } u;
};

/* retrieve console events for the renderer */
@REQ(get_console_renderer_events)
    handle_t     handle;        /* handle to console input events */
@REPLY
    VARARG(data,bytes);         /* the various console_renderer_events */
@END


/* Open a handle to the process console */
@REQ(open_console)
    int          from;          /* 0 (resp 1) input (resp output) of current process console */
                                /* otherwise console_in handle to get active screen buffer? */
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    int          share;         /* share mask (only for output handles) */
@REPLY
    handle_t     handle;        /* handle to the console */
@END


/* Get a console mode (input or output) */
@REQ(get_console_mode)
    handle_t     handle;        /* handle to the console */
@REPLY
    int          mode;          /* console mode */
@END


/* Set a console mode (input or output) */
@REQ(set_console_mode)
    handle_t     handle;        /* handle to the console */
    int          mode;          /* console mode */
@END


/* Set info about a console (input only) */
@REQ(set_console_input_info)
    handle_t     handle;        /* handle to console input, or 0 for process' console */
    int          mask;          /* setting mask (see below) */
    handle_t     active_sb;     /* active screen buffer */
    int          history_mode;  /* whether we duplicate lines in history */
    int          history_size;  /* number of lines in history */
    VARARG(title,unicode_str);  /* console title */
@END
#define SET_CONSOLE_INPUT_INFO_ACTIVE_SB        0x01
#define SET_CONSOLE_INPUT_INFO_TITLE            0x02
#define SET_CONSOLE_INPUT_INFO_HISTORY_MODE     0x04
#define SET_CONSOLE_INPUT_INFO_HISTORY_SIZE     0x08


/* Get info about a console (input only) */
@REQ(get_console_input_info)
    handle_t     handle;        /* handle to console input, or 0 for process' console */
@REPLY
    int          history_mode;  /* whether we duplicate lines in history */
    int          history_size;  /* number of lines in history */
    int          history_index; /* number of used lines in history */
    VARARG(title,unicode_str);  /* console title */
@END


/* appends a string to console's history */
@REQ(append_console_input_history)
    handle_t     handle;        /* handle to console input, or 0 for process' console */
    VARARG(line,unicode_str);   /* line to add */
@END


/* appends a string to console's history */
@REQ(get_console_input_history)
    handle_t     handle;        /* handle to console input, or 0 for process' console */
    int          index;         /* index to get line from */
@REPLY
    int          total;         /* total length of line in Unicode chars */
    VARARG(line,unicode_str);   /* line to add */
@END


/* creates a new screen buffer on process' console */
@REQ(create_console_output)
    handle_t     handle_in;     /* handle to console input, or 0 for process' console */
    int          access;        /* wanted access rights */
    int          share;         /* sharing credentials */
    int          inherit;       /* inherit flag */
@REPLY
    handle_t     handle_out;    /* handle to the screen buffer */
@END


/* Set info about a console (output only) */
@REQ(set_console_output_info)
    handle_t     handle;        /* handle to the console */
    int          mask;          /* setting mask (see below) */
    short int    cursor_size;   /* size of cursor (percentage filled) */
    short int    cursor_visible;/* cursor visibility flag */
    short int    cursor_x;      /* position of cursor (x, y) */
    short int    cursor_y;
    short int    width;         /* width of the screen buffer */
    short int    height;        /* height of the screen buffer */
    short int    attr;          /* default attribute */
    short int    win_left;      /* window actually displayed by renderer */
    short int    win_top;       /* the rect area is expressed withing the */
    short int    win_right;     /* boundaries of the screen buffer */
    short int    win_bottom;
    short int    max_width;     /* maximum size (width x height) for the window */
    short int    max_height;
@END
#define SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM     0x01
#define SET_CONSOLE_OUTPUT_INFO_CURSOR_POS      0x02
#define SET_CONSOLE_OUTPUT_INFO_SIZE            0x04
#define SET_CONSOLE_OUTPUT_INFO_ATTR            0x08
#define SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW  0x10
#define SET_CONSOLE_OUTPUT_INFO_MAX_SIZE        0x20


/* Get info about a console (output only) */
@REQ(get_console_output_info)
    handle_t     handle;        /* handle to the console */
@REPLY
    short int    cursor_size;   /* size of cursor (percentage filled) */
    short int    cursor_visible;/* cursor visibility flag */
    short int    cursor_x;      /* position of cursor (x, y) */
    short int    cursor_y;
    short int    width;         /* width of the screen buffer */
    short int    height;        /* height of the screen buffer */
    short int    attr;          /* default attribute */
    short int    win_left;      /* window actually displayed by renderer */
    short int    win_top;       /* the rect area is expressed withing the */
    short int    win_right;     /* boundaries of the screen buffer */
    short int    win_bottom;
    short int    max_width;     /* maximum size (width x height) for the window */
    short int    max_height;
@END

/* Add input records to a console input queue */
@REQ(write_console_input)
    handle_t     handle;        /* handle to the console input */
    VARARG(rec,input_records);  /* input records */
@REPLY
    int          written;       /* number of records written */
@END


/* Fetch input records from a console input queue */
@REQ(read_console_input)
    handle_t     handle;        /* handle to the console input */
    int          flush;         /* flush the retrieved records from the queue? */
@REPLY
    int          read;          /* number of records read */
    VARARG(rec,input_records);  /* input records */
@END


/* write data (chars and/or attributes) in a screen buffer */
@REQ(write_console_output)
    handle_t     handle;        /* handle to the console output */
    int          x;             /* position where to start writing */
    int          y;
    int          mode;          /* char info (see below) */
    int          wrap;          /* wrap around at end of line? */
    VARARG(data,bytes);         /* info to write */
@REPLY
    int          written;       /* number of char infos actually written */
    int          width;         /* width of screen buffer */
    int          height;        /* height of screen buffer */
@END
enum char_info_mode
{
    CHAR_INFO_MODE_TEXT,        /* characters only */
    CHAR_INFO_MODE_ATTR,        /* attributes only */
    CHAR_INFO_MODE_TEXTATTR,    /* both characters and attributes */
    CHAR_INFO_MODE_TEXTSTDATTR  /* characters but use standard attributes */
};


/* fill a screen buffer with constant data (chars and/or attributes) */
@REQ(fill_console_output)
    handle_t     handle;        /* handle to the console output */
    int          x;             /* position where to start writing */
    int          y;
    int          mode;          /* char info mode */
    int          count;         /* number to write */
    int          wrap;          /* wrap around at end of line? */
    char_info_t  data;          /* data to write */
@REPLY
    int          written;       /* number of char infos actually written */
@END


/* read data (chars and/or attributes) from a screen buffer */
@REQ(read_console_output)
    handle_t     handle;        /* handle to the console output */
    int          x;             /* position (x,y) where to start reading */
    int          y;
    int          mode;          /* char info mode */
    int          wrap;          /* wrap around at end of line? */
@REPLY
    int          width;         /* width of screen buffer */
    int          height;        /* height of screen buffer */
    VARARG(data,bytes);
@END

/* move a rect (of data) in screen buffer content */
@REQ(move_console_output)
    handle_t     handle;        /* handle to the console output */
    short int    x_src;         /* position (x, y) of rect to start moving from */
    short int    y_src;
    short int    x_dst;         /* position (x, y) of rect to move to */
    short int    y_dst;
    short int    w;             /* size of the rect (width, height) to move */
    short int    h;
@END


/* Create a change notification */
@REQ(create_change_notification)
    int          subtree;       /* watch all the subtree */
    int          filter;        /* notification filter */
@REPLY
    handle_t     handle;        /* handle to the change notification */
@END


/* Create a file mapping */
@REQ(create_mapping)
    int          size_high;     /* mapping size */
    int          size_low;      /* mapping size */
    int          protect;       /* protection flags (see below) */
    int          inherit;       /* inherit flag */
    handle_t     file_handle;   /* file handle */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the mapping */
@END
/* protection flags */
#define VPROT_READ       0x01
#define VPROT_WRITE      0x02
#define VPROT_EXEC       0x04
#define VPROT_WRITECOPY  0x08
#define VPROT_GUARD      0x10
#define VPROT_NOCACHE    0x20
#define VPROT_COMMITTED  0x40
#define VPROT_IMAGE      0x80


/* Open a mapping */
@REQ(open_mapping)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the mapping */
@END


/* Get information about a file mapping */
@REQ(get_mapping_info)
    handle_t     handle;        /* handle to the mapping */
@REPLY
    int          size_high;     /* mapping size */
    int          size_low;      /* mapping size */
    int          protect;       /* protection flags */
    int          header_size;   /* header size (for VPROT_IMAGE mapping) */
    void*        base;          /* default base addr (for VPROT_IMAGE mapping) */
    handle_t     shared_file;   /* shared mapping file handle */
    int          shared_size;   /* shared mapping size */
    int          drive_type;    /* type of drive the file is on */
@END


/* Create a device */
@REQ(create_device)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    int          id;            /* client private id */
@REPLY
    handle_t     handle;        /* handle to the device */
@END


/* Create a snapshot */
@REQ(create_snapshot)
    int          inherit;       /* inherit flag */
    int          flags;         /* snapshot flags (TH32CS_*) */
    void*        pid;           /* process id */
@REPLY
    handle_t     handle;        /* handle to the snapshot */
@END


/* Get the next process from a snapshot */
@REQ(next_process)
    handle_t     handle;        /* handle to the snapshot */
    int          reset;         /* reset snapshot position? */
@REPLY
    int          count;         /* process usage count */
    void*        pid;           /* process id */
    int          threads;       /* number of threads */
    int          priority;      /* process priority */
@END


/* Get the next thread from a snapshot */
@REQ(next_thread)
    handle_t     handle;        /* handle to the snapshot */
    int          reset;         /* reset snapshot position? */
@REPLY
    int          count;         /* thread usage count */
    void*        pid;           /* process id */
    void*        tid;           /* thread id */
    int          base_pri;      /* base priority */
    int          delta_pri;     /* delta priority */
@END


/* Get the next module from a snapshot */
@REQ(next_module)
    handle_t     handle;        /* handle to the snapshot */
    int          reset;         /* reset snapshot position? */
@REPLY
    void*        pid;           /* process id */
    void*        base;          /* module base address */
@END


/* Wait for a debug event */
@REQ(wait_debug_event)
    int           get_handle;  /* should we alloc a handle for waiting? */
@REPLY
    void*         pid;         /* process id */
    void*         tid;         /* thread id */
    handle_t      wait;        /* wait handle if no event ready */
    VARARG(event,debug_event); /* debug event data */
@END


/* Queue an exception event */
@REQ(queue_exception_event)
    int              first;    /* first chance exception? */
    VARARG(record,exc_event);  /* thread context followed by exception record */
@REPLY
    handle_t         handle;   /* handle to the queued event */
@END


/* Retrieve the status of an exception event */
@REQ(get_exception_status)
    handle_t         handle;   /* handle to the queued event */
@REPLY
    int              status;   /* event continuation status */
    VARARG(context,context);   /* modified thread context */
@END


/* Send an output string to the debugger */
@REQ(output_debug_string)
    void*         string;      /* string to display (in debugged process address space) */
    int           unicode;     /* is it Unicode? */
    int           length;      /* string length */
@END


/* Continue a debug event */
@REQ(continue_debug_event)
    void*        pid;          /* process id to continue */
    void*        tid;          /* thread id to continue */
    int          status;       /* continuation status */
@END


/* Start/stop debugging an existing process */
@REQ(debug_process)
    void*        pid;          /* id of the process to debug */
    int          attach;       /* 1=attaching / 0=detaching from the process */
@END


/* Simulate a breakpoint in a process */
@REQ(debug_break)
    handle_t     handle;       /* process handle */
@REPLY
    int          self;         /* was it the caller itself? */
@END


/* Set debugger kill on exit flag */
@REQ(set_debugger_kill_on_exit)
    int          kill_on_exit;  /* 0=detach/1=kill debuggee when debugger dies */
@END


/* Read data from a process address space */
@REQ(read_process_memory)
    handle_t     handle;       /* process handle */
    void*        addr;         /* addr to read from */
@REPLY
    VARARG(data,bytes);        /* result data */
@END


/* Write data to a process address space */
@REQ(write_process_memory)
    handle_t     handle;       /* process handle */
    void*        addr;         /* addr to write to (must be int-aligned) */
    unsigned int first_mask;   /* mask for first word */
    unsigned int last_mask;    /* mask for last word */
    VARARG(data,bytes);        /* data to write */
@END


/* Create a registry key */
@REQ(create_key)
    handle_t     parent;       /* handle to the parent key */
    unsigned int access;       /* desired access rights */
    unsigned int options;      /* creation options */
    time_t       modif;        /* last modification time */
    size_t       namelen;      /* length of key name in bytes */
    VARARG(name,unicode_str,namelen);  /* key name */
    VARARG(class,unicode_str);         /* class name */
@REPLY
    handle_t     hkey;         /* handle to the created key */
    int          created;      /* has it been newly created? */
@END

/* Open a registry key */
@REQ(open_key)
    handle_t     parent;       /* handle to the parent key */
    unsigned int access;       /* desired access rights */
    VARARG(name,unicode_str);  /* key name */
@REPLY
    handle_t     hkey;         /* handle to the open key */
@END


/* Delete a registry key */
@REQ(delete_key)
    handle_t     hkey;         /* handle to the key */
@END


/* Enumerate registry subkeys */
@REQ(enum_key)
    handle_t     hkey;         /* handle to registry key */
    int          index;        /* index of subkey (or -1 for current key) */
    int          info_class;   /* requested information class */
@REPLY
    int          subkeys;      /* number of subkeys */
    int          max_subkey;   /* longest subkey name */
    int          max_class;    /* longest class name */
    int          values;       /* number of values */
    int          max_value;    /* longest value name */
    int          max_data;     /* longest value data */
    time_t       modif;        /* last modification time */
    size_t       total;        /* total length needed for full name and class */
    size_t       namelen;      /* length of key name in bytes */
    VARARG(name,unicode_str,namelen);  /* key name */
    VARARG(class,unicode_str);         /* class name */
@END


/* Set a value of a registry key */
@REQ(set_key_value)
    handle_t     hkey;         /* handle to registry key */
    int          type;         /* value type */
    size_t       namelen;      /* length of value name in bytes */
    VARARG(name,unicode_str,namelen);  /* value name */
    VARARG(data,bytes);                /* value data */
@END


/* Retrieve the value of a registry key */
@REQ(get_key_value)
    handle_t     hkey;         /* handle to registry key */
    VARARG(name,unicode_str);  /* value name */
@REPLY
    int          type;         /* value type */
    size_t       total;        /* total length needed for data */
    VARARG(data,bytes);        /* value data */
@END


/* Enumerate a value of a registry key */
@REQ(enum_key_value)
    handle_t     hkey;         /* handle to registry key */
    int          index;        /* value index */
    int          info_class;   /* requested information class */
@REPLY
    int          type;         /* value type */
    size_t       total;        /* total length needed for full name and data */
    size_t       namelen;      /* length of value name in bytes */
    VARARG(name,unicode_str,namelen);  /* value name */
    VARARG(data,bytes);                /* value data */
@END


/* Delete a value of a registry key */
@REQ(delete_key_value)
    handle_t     hkey;         /* handle to registry key */
    VARARG(name,unicode_str);  /* value name */
@END


/* Load a registry branch from a file */
@REQ(load_registry)
    handle_t     hkey;         /* root key to load to */
    handle_t     file;         /* file to load from */
    VARARG(name,unicode_str);  /* subkey name */
@END


/* Save a registry branch to a file */
@REQ(save_registry)
    handle_t     hkey;         /* key to save */
    handle_t     file;         /* file to save to */
@END


/* Save a registry branch at server exit */
@REQ(save_registry_atexit)
    handle_t     hkey;         /* key to save */
    VARARG(file,string);       /* file to save to */
@END


/* Set the current and saving level for the registry */
@REQ(set_registry_levels)
    int          current;      /* new current level */
    int          saving;       /* new saving level */
    int          period;       /* duration between periodic saves (milliseconds) */
@END


/* Create a waitable timer */
@REQ(create_timer)
    int          inherit;       /* inherit flag */
    int          manual;        /* manual reset */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the timer */
@END


/* Open a waitable timer */
@REQ(open_timer)
    unsigned int access;        /* wanted access rights */
    int          inherit;       /* inherit flag */
    VARARG(name,unicode_str);   /* object name */
@REPLY
    handle_t     handle;        /* handle to the timer */
@END

/* Set a waitable timer */
@REQ(set_timer)
    handle_t     handle;        /* handle to the timer */
    int          sec;           /* next expiration absolute time */
    int          usec;          /* next expiration absolute time */
    int          period;        /* timer period in ms */
    void*        callback;      /* callback function */
    void*        arg;           /* callback argument */
@END

/* Cancel a waitable timer */
@REQ(cancel_timer)
    handle_t     handle;        /* handle to the timer */
@END


/* Retrieve the current context of a thread */
@REQ(get_thread_context)
    handle_t     handle;       /* thread handle */
    unsigned int flags;        /* context flags */
@REPLY
    VARARG(context,context);   /* thread context */
@END


/* Set the current context of a thread */
@REQ(set_thread_context)
    handle_t     handle;       /* thread handle */
    unsigned int flags;        /* context flags */
    VARARG(context,context);   /* thread context */
@END


/* Fetch a selector entry for a thread */
@REQ(get_selector_entry)
    handle_t      handle;      /* thread handle */
    int           entry;       /* LDT entry */
@REPLY
    unsigned int  base;        /* selector base */
    unsigned int  limit;       /* selector limit */
    unsigned char flags;       /* selector flags */
@END


/* Add an atom */
@REQ(add_atom)
    int           local;       /* is atom in local process table? */
    VARARG(name,unicode_str);  /* atom name */
@REPLY
    atom_t        atom;        /* resulting atom */
@END


/* Delete an atom */
@REQ(delete_atom)
    atom_t        atom;        /* atom handle */
    int           local;       /* is atom in local process table? */
@END


/* Find an atom */
@REQ(find_atom)
    int          local;        /* is atom in local process table? */
    VARARG(name,unicode_str);  /* atom name */
@REPLY
    atom_t       atom;         /* atom handle */
@END


/* Get an atom name */
@REQ(get_atom_name)
    atom_t       atom;         /* atom handle */
    int          local;        /* is atom in local process table? */
@REPLY
    int          count;        /* atom lock count */
    VARARG(name,unicode_str);  /* atom name */
@END


/* Init the process atom table */
@REQ(init_atom_table)
    int          entries;      /* number of entries */
@END


/* Get the message queue of the current thread */
@REQ(get_msg_queue)
@REPLY
    handle_t     handle;       /* handle to the queue */
@END


/* Set the current message queue wakeup mask */
@REQ(set_queue_mask)
    unsigned int wake_mask;    /* wakeup bits mask */
    unsigned int changed_mask; /* changed bits mask */
    int          skip_wait;    /* will we skip waiting if signaled? */
@REPLY
    unsigned int wake_bits;    /* current wake bits */
    unsigned int changed_bits; /* current changed bits */
@END


/* Get the current message queue status */
@REQ(get_queue_status)
    int          clear;        /* should we clear the change bits? */
@REPLY
    unsigned int wake_bits;    /* wake bits */
    unsigned int changed_bits; /* changed bits since last time */
@END


/* Wait for a process to start waiting on input */
@REQ(wait_input_idle)
    handle_t     handle;       /* process handle */
    int          timeout;      /* timeout */
@REPLY
    handle_t     event;        /* handle to idle event */
@END


/* Send a message to a thread queue */
@REQ(send_message)
    void*           id;        /* thread id */
    int             type;      /* message type (see below) */
    user_handle_t   win;       /* window handle */
    unsigned int    msg;       /* message code */
    unsigned int    wparam;    /* parameters */
    unsigned int    lparam;    /* parameters */
    int             x;         /* x position */
    int             y;         /* y position */
    unsigned int    time;      /* message time */
    unsigned int    info;      /* extra info */
    int             timeout;   /* timeout for reply */
    VARARG(data,bytes);        /* message data for sent messages */
@END

enum message_type
{
    MSG_ASCII,          /* Ascii message (from SendMessageA) */
    MSG_UNICODE,        /* Unicode message (from SendMessageW) */
    MSG_NOTIFY,         /* notify message (from SendNotifyMessageW), always Unicode */
    MSG_CALLBACK,       /* callback message (from SendMessageCallbackW), always Unicode */
    MSG_OTHER_PROCESS,  /* sent from other process, may include vararg data, always Unicode */
    MSG_POSTED,         /* posted message (from PostMessageW), always Unicode */
    MSG_HARDWARE_RAW,   /* raw hardware message */
    MSG_HARDWARE_COOKED /* cooked hardware message */
};


/* Get a message from the current queue */
@REQ(get_message)
    int             flags;     /* see below */
    user_handle_t   get_win;   /* window handle to get */
    unsigned int    get_first; /* first message code to get */
    unsigned int    get_last;  /* last message code to get */
@REPLY
    int             type;      /* message type */
    user_handle_t   win;       /* window handle */
    unsigned int    msg;       /* message code */
    unsigned int    wparam;    /* parameters */
    unsigned int    lparam;    /* parameters */
    int             x;         /* x position */
    int             y;         /* y position */
    unsigned int    time;      /* message time */
    unsigned int    info;      /* extra info */
    size_t          total;     /* total size of extra data */
    VARARG(data,bytes);        /* message data for sent messages */
@END
#define GET_MSG_REMOVE      1  /* remove the message */
#define GET_MSG_SENT_ONLY   2  /* only get sent messages */
#define GET_MSG_REMOVE_LAST 4  /* remove last message returned before checking for a new one */

/* Reply to a sent message */
@REQ(reply_message)
    unsigned int    result;    /* message result */
    int             remove;    /* should we remove the message? */
    VARARG(data,bytes);        /* message data for sent messages */
@END


/* Retrieve the reply for the last message sent */
@REQ(get_message_reply)
    int             cancel;    /* cancel message if not ready? */
@REPLY
    unsigned int    result;    /* message result */
    VARARG(data,bytes);        /* message data for sent messages */
@END


/* Set a window timer */
@REQ(set_win_timer)
    user_handle_t   win;       /* window handle */
    unsigned int    msg;       /* message to post */
    unsigned int    id;        /* timer id */
    unsigned int    rate;      /* timer rate in ms */
    unsigned int    lparam;    /* message lparam (callback proc) */
@END


/* Kill a window timer */
@REQ(kill_win_timer)
    user_handle_t   win;       /* window handle */
    unsigned int    msg;       /* message to post */
    unsigned int    id;        /* timer id */
@END


/* Open a serial port */
@REQ(create_serial)
    unsigned int access;       /* wanted access rights */
    int          inherit;      /* inherit flag */
    unsigned int attributes;   /* eg. FILE_FLAG_OVERLAPPED */
    unsigned int sharing;      /* sharing flags */
    VARARG(name,string);       /* file name */
@REPLY
    handle_t     handle;       /* handle to the port */
@END


/* Retrieve info about a serial port */
@REQ(get_serial_info)
    handle_t     handle;       /* handle to comm port */
@REPLY
    unsigned int readinterval;
    unsigned int readconst;
    unsigned int readmult;
    unsigned int writeconst;
    unsigned int writemult;
    unsigned int eventmask;
    unsigned int commerror;
@END


/* Set info about a serial port */
@REQ(set_serial_info)
    handle_t     handle;       /* handle to comm port */
    int          flags;        /* bitmask to set values (see below) */
    unsigned int readinterval;
    unsigned int readconst;
    unsigned int readmult;
    unsigned int writeconst;
    unsigned int writemult;
    unsigned int eventmask;
    unsigned int commerror;
@END
#define SERIALINFO_SET_TIMEOUTS  0x01
#define SERIALINFO_SET_MASK      0x02
#define SERIALINFO_SET_ERROR     0x04


/* Create/Destroy an async I/O */
@REQ(register_async)
    handle_t     handle;  /* handle to comm port, socket or file */
    void*        func;
    int          type;
    void*        overlapped;
    int          count;
    unsigned int status;
@END
#define ASYNC_TYPE_NONE  0x00
#define ASYNC_TYPE_READ  0x01
#define ASYNC_TYPE_WRITE 0x02
#define ASYNC_TYPE_WAIT  0x03


/* Create a named pipe */
@REQ(create_named_pipe)
    unsigned int   openmode;
    unsigned int   pipemode;
    unsigned int   maxinstances;
    unsigned int   outsize;
    unsigned int   insize;
    unsigned int   timeout;
    VARARG(name,unicode_str);    /* pipe name */
@REPLY
    handle_t       handle;       /* handle to the pipe */
@END


/* Open an existing named pipe */
@REQ(open_named_pipe)
    unsigned int   access;
    VARARG(name,unicode_str);    /* pipe name */
@REPLY
    handle_t       handle;       /* handle to the pipe */
@END


/* Connect to a named pipe */
@REQ(connect_named_pipe)
    handle_t       handle;
    void*          overlapped;
    void*          func;
@END


/* Wait for a named pipe */
@REQ(wait_named_pipe)
    unsigned int   timeout;
    void*          overlapped;
    void*          func;
    VARARG(name,unicode_str);    /* pipe name */
@END


/* Disconnect a named pipe */
@REQ(disconnect_named_pipe)
    handle_t       handle;
@END


@REQ(get_named_pipe_info)
    handle_t       handle;
@REPLY
    unsigned int   flags;
    unsigned int   maxinstances;
    unsigned int   outsize;
    unsigned int   insize;
@END


/* Create a window */
@REQ(create_window)
    user_handle_t  parent;      /* parent window */
    user_handle_t  owner;       /* owner window */
    atom_t         atom;        /* class atom */
@REPLY
    user_handle_t  handle;      /* created window */
@END


/* Link a window into the tree */
@REQ(link_window)
    user_handle_t  handle;      /* handle to the window */
    user_handle_t  parent;      /* handle to the parent */
    user_handle_t  previous;    /* previous child in Z-order */
@REPLY
    user_handle_t  full_parent; /* full handle of new parent */
@END


/* Destroy a window */
@REQ(destroy_window)
    user_handle_t  handle;      /* handle to the window */
@END


/* Set a window owner */
@REQ(set_window_owner)
    user_handle_t  handle;      /* handle to the window */
    user_handle_t  owner;       /* new owner */
@REPLY
    user_handle_t  full_owner;  /* full handle of new owner */
@END


/* Get information from a window handle */
@REQ(get_window_info)
    user_handle_t  handle;      /* handle to the window */
@REPLY
    user_handle_t  full_handle; /* full 32-bit handle */
    void*          pid;         /* process owning the window */
    void*          tid;         /* thread owning the window */
    atom_t         atom;        /* class atom */
@END


/* Set some information in a window */
@REQ(set_window_info)
    user_handle_t  handle;        /* handle to the window */
    unsigned int   flags;         /* flags for fields to set (see below) */
    unsigned int   style;         /* window style */
    unsigned int   ex_style;      /* window extended style */
    unsigned int   id;            /* window id */
    void*          instance;      /* creator instance */
    void*          user_data;     /* user-specific data */
@REPLY
    unsigned int   old_style;     /* old window style */
    unsigned int   old_ex_style;  /* old window extended style */
    unsigned int   old_id;        /* old window id */
    void*          old_instance;  /* old creator instance */
    void*          old_user_data; /* old user-specific data */
@END
#define SET_WIN_STYLE     0x01
#define SET_WIN_EXSTYLE   0x02
#define SET_WIN_ID        0x04
#define SET_WIN_INSTANCE  0x08
#define SET_WIN_USERDATA  0x10


/* Get a list of the window parents, up to the root of the tree */
@REQ(get_window_parents)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    int            count;         /* total count of parents */
    VARARG(parents,user_handles); /* parent handles */
@END


/* Get a list of the window children */
@REQ(get_window_children)
    user_handle_t  parent;        /* parent window */
    atom_t         atom;          /* class atom for the listed children */
    void*          tid;           /* thread owning the listed children */
@REPLY
    int            count;         /* total count of children */
    VARARG(children,user_handles); /* children handles */
@END


/* Get window tree information from a window handle */
@REQ(get_window_tree)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    user_handle_t  parent;        /* parent window */
    user_handle_t  owner;         /* owner window */
    user_handle_t  next_sibling;  /* next sibling in Z-order */
    user_handle_t  prev_sibling;  /* prev sibling in Z-order */
    user_handle_t  first_sibling; /* first sibling in Z-order */
    user_handle_t  last_sibling;  /* last sibling in Z-order */
    user_handle_t  first_child;   /* first child */
    user_handle_t  last_child;    /* last child */
@END

/* Set the window and client rectangles of a window */
@REQ(set_window_rectangles)
    user_handle_t  handle;        /* handle to the window */
    rectangle_t    window;        /* window rectangle */
    rectangle_t    client;        /* client rectangle */
@END


/* Get the window and client rectangles of a window */
@REQ(get_window_rectangles)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    rectangle_t    window;        /* window rectangle */
    rectangle_t    client;        /* client rectangle */
@END


/* Get the window text */
@REQ(get_window_text)
    user_handle_t  handle;        /* handle to the window */
@REPLY
    VARARG(text,unicode_str);     /* window text */
@END


/* Set the window text */
@REQ(set_window_text)
    user_handle_t  handle;        /* handle to the window */
    VARARG(text,unicode_str);     /* window text */
@END


/* Increment the window paint count */
@REQ(inc_window_paint_count)
    user_handle_t  handle;        /* handle to the window */
    int             incr;         /* increment (can be negative) */
@END


/* Get the coordinates offset between two windows */
@REQ(get_windows_offset)
    user_handle_t  from;          /* handle to the first window */
    user_handle_t  to;            /* handle to the second window */
@REPLY
    int            x;             /* x coordinate offset */
    int            y;             /* y coordinate offset */
@END


/* Set a window property */
@REQ(set_window_property)
    user_handle_t  window;        /* handle to the window */
    atom_t         atom;          /* property atom (high-word set if it was a string) */
    int            string;        /* was atom a string originally? */
    handle_t       handle;        /* handle to store */
@END


/* Remove a window property */
@REQ(remove_window_property)
    user_handle_t  window;        /* handle to the window */
    atom_t         atom;          /* property atom */
@REPLY
    handle_t       handle;        /* handle stored in property */
@END


/* Get a window property */
@REQ(get_window_property)
    user_handle_t  window;        /* handle to the window */
    atom_t         atom;          /* property atom */
@REPLY
    handle_t       handle;        /* handle stored in property */
@END


/* Get the list of properties of a window */
@REQ(get_window_properties)
    user_handle_t  window;        /* handle to the window */
@REPLY
    int            total;         /* total number of properties */
    VARARG(props,properties);     /* list of properties */
@END