Print position and size of console window (Amiga)

#include <exec/types.h>
#include <libraries/dos.h>
#include <libraries/dosextens.h>
#include <intuition/intuition.h>
#include <proto/exec.h>
#include <stdio.h>

#define APTR_TO_BPTR(x) ((ULONG)x >> 2)

int main()
{
    struct Process *process = (struct Process *)FindTask(NULL);
    struct MsgPort *con_mp = (struct MsgPort *)process->pr_ConsoleTask;
    struct MsgPort *reply_port = CreatePort(NULL, 0);
    struct InfoData *id = AllocMem(sizeof(struct InfoData), 0);

    struct StandardPacket sp;
    sp.sp_Msg.mn_Node.ln_Type = NT_MESSAGE;
    sp.sp_Msg.mn_Node.ln_Pri = 0;
    sp.sp_Msg.mn_Node.ln_Name = (char *)&sp.sp_Pkt;
    sp.sp_Msg.mn_Length = sizeof(struct StandardPacket);
    sp.sp_Msg.mn_ReplyPort = reply_port;
    sp.sp_Pkt.dp_Link = &sp.sp_Msg;
    sp.sp_Pkt.dp_Port = reply_port;
    sp.sp_Pkt.dp_Type = ACTION_DISK_INFO;
    sp.sp_Pkt.dp_Arg1 = APTR_TO_BPTR(id);
    sp.sp_Pkt.dp_Arg2 = 0;
    sp.sp_Pkt.dp_Arg3 = 0;
    PutMsg(con_mp, &sp.sp_Msg);

    Wait(1L << reply_port->mp_SigBit);
    GetMsg(reply_port);

    struct Window *win = (struct Window *)id->id_VolumeNode;

    printf("Window position: (%3d, %3d)\n", win->LeftEdge, win->TopEdge);
    printf("Window size:     (%3d, %3d)\n", win->Width, win->Height);

    FreeMem(id, sizeof(struct InfoData));
    DeletePort(reply_port);
    return 0;
}