C++ CLEAR函数代码示例

void
win32_signal_clear (struct win32_signal *ws)
{
  CLEAR (*ws);
}

static void
plugin_open_item (struct plugin *p,
		  const struct plugin_option *o,
		  struct openvpn_plugin_string_list **retlist,
		  const char **envp,
		  const int init_point)
{
  ASSERT (p->initialized);

  /* clear return list */
  if (retlist)
    *retlist = NULL;

  if (!p->plugin_handle && init_point == p->requested_initialization_point)
    {
      struct gc_arena gc = gc_new ();

      dmsg (D_PLUGIN_DEBUG, "PLUGIN_INIT: PRE");
      plugin_show_args_env (D_PLUGIN_DEBUG, o->argv, envp);

      /*
       * Call the plugin initialization
       */
      if (p->open3) {
        struct openvpn_plugin_args_open_in args = { p->plugin_type_mask,
                                                    (const char ** const) o->argv,
                                                    (const char ** const) envp,
                                                    &callbacks,
                                                    SSLAPI };
        struct openvpn_plugin_args_open_return retargs;

        CLEAR(retargs);
        retargs.return_list = retlist;
        if ((*p->open3)(OPENVPN_PLUGINv3_STRUCTVER, &args, &retargs) == OPENVPN_PLUGIN_FUNC_SUCCESS) {
          p->plugin_type_mask = retargs.type_mask;
          p->plugin_handle = retargs.handle;
        } else {
          p->plugin_handle = NULL;
        }
      } else if (p->open2)
	p->plugin_handle = (*p->open2)(&p->plugin_type_mask, o->argv, envp, retlist);
      else if (p->open1)
	p->plugin_handle = (*p->open1)(&p->plugin_type_mask, o->argv, envp);
      else
	ASSERT (0);

      msg (D_PLUGIN, "PLUGIN_INIT: POST %s '%s' intercepted=%s %s",
	   p->so_pathname,
	   print_argv (o->argv, &gc, PA_BRACKET),
	   plugin_mask_string (p->plugin_type_mask, &gc),
	   (retlist && *retlist) ? "[RETLIST]" : "");
      
      if ((p->plugin_type_mask | plugin_supported_types()) != plugin_supported_types())
	msg (M_FATAL, "PLUGIN_INIT: plugin %s expressed interest in unsupported plugin types: [want=0x%08x, have=0x%08x]",
	     p->so_pathname,
	     p->plugin_type_mask,
	     plugin_supported_types());

      if (p->plugin_handle == NULL)
	msg (M_FATAL, "PLUGIN_INIT: plugin initialization function failed: %s",
	     p->so_pathname);

      gc_free (&gc);
    }
}

int main(int argc, char **argv)
{
        struct v4l2_format              fmt;
        struct v4l2_buffer              buf;
        struct v4l2_requestbuffers      req;
        enum v4l2_buf_type              type;
        fd_set                          fds;
        struct timeval                  tv;
        int                             r, fd = -1;
        unsigned int                    i, n_buffers;
        char                            *dev_name = "/dev/video0";
        char                            out_name[256];
        FILE                            *fout;
        struct buffer                   *buffers;

        fd = v4l2_open(dev_name, O_RDWR | O_NONBLOCK, 0);
        if (fd < 0) {
                perror("Cannot open device");
                exit(EXIT_FAILURE);
        }

        CLEAR(fmt);
        fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
        fmt.fmt.pix.width       = 1920;
        fmt.fmt.pix.height      = 1080;
        fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_RGB24;
        fmt.fmt.pix.field       = V4L2_FIELD_INTERLACED;
        xioctl(fd, VIDIOC_S_FMT, &fmt);
        if (fmt.fmt.pix.pixelformat != V4L2_PIX_FMT_RGB24) {
                printf("Libv4l didn't accept RGB24 format. Can't proceed.\n");
                exit(EXIT_FAILURE);
        }
        if ((fmt.fmt.pix.width != 640) || (fmt.fmt.pix.height != 480))
                printf("Warning: driver is sending image at %dx%d\n",
                        fmt.fmt.pix.width, fmt.fmt.pix.height);

        CLEAR(req);
        req.count = 2;
        req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
        req.memory = V4L2_MEMORY_MMAP;
        xioctl(fd, VIDIOC_REQBUFS, &req);

        buffers = calloc(req.count, sizeof(*buffers));
        for (n_buffers = 0; n_buffers < req.count; ++n_buffers) {
                CLEAR(buf);

                buf.type        = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                buf.memory      = V4L2_MEMORY_MMAP;
                buf.index       = n_buffers;

                xioctl(fd, VIDIOC_QUERYBUF, &buf);

                buffers[n_buffers].length = buf.length;
                buffers[n_buffers].start = v4l2_mmap(NULL, buf.length,
                              PROT_READ | PROT_WRITE, MAP_SHARED,
                              fd, buf.m.offset);

                if (MAP_FAILED == buffers[n_buffers].start) {
                        perror("mmap");
                        exit(EXIT_FAILURE);
                }
        }

        for (i = 0; i < n_buffers; ++i) {
                CLEAR(buf);
                buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                buf.memory = V4L2_MEMORY_MMAP;
                buf.index = i;
                xioctl(fd, VIDIOC_QBUF, &buf);
        }
        type = V4L2_BUF_TYPE_VIDEO_CAPTURE;

        xioctl(fd, VIDIOC_STREAMON, &type);
        for (i = 0; i < 20; i++) {
                do {
                        FD_ZERO(&fds);
                        FD_SET(fd, &fds);

                        /* Timeout. */
                        tv.tv_sec = 2;
                        tv.tv_usec = 0;

                        r = select(fd + 1, &fds, NULL, NULL, &tv);
                } while ((r == -1 && (errno = EINTR)));
                if (r == -1) {
                        perror("select");
                        return errno;
                }

                CLEAR(buf);
                buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                buf.memory = V4L2_MEMORY_MMAP;
                xioctl(fd, VIDIOC_DQBUF, &buf);

                sprintf(out_name, "grabber%03d.ppm", i);
                fout = fopen(out_name, "w");
                if (!fout) {
                        perror("Cannot open image");
                        exit(EXIT_FAILURE);
                }
//.........这里部分代码省略.........

void mainScreen(void){
	uint32 ReadWord;
	int16 xvalue,yvalue;
	ft_char8_t StringArray[100];

		Ft_Gpu_CoCmd_Dlstart(phost);
		Ft_App_WrCoCmd_Buffer(phost,CLEAR_COLOR_RGB(64,64,64));
		Ft_App_WrCoCmd_Buffer(phost,CLEAR(1,1,1));
		Ft_App_WrCoCmd_Buffer(phost,COLOR_RGB(255,255,255));

		Ft_Gpu_CoCmd_Button(phost, 10, 200, 130, 30, 28, 0, "Smart Mirror");
		if(!saved){
			Ft_Gpu_CoCmd_Button(phost, 200, 200, 110, 30, 28, 0, "Save data");
		} else{
			Ft_Gpu_CoCmd_Button(phost, 200, 200, 110, 30, 28, 0, "Saved");
		}

		StringArray[0] = '\0';
		strcat(StringArray,"Outside: ");
		Ft_Gpu_Hal_Dec2Ascii(StringArray,(ft_int32_t)tempOut);
		strcat(StringArray," C");
		Ft_Gpu_CoCmd_Text(phost, 10, 20, 26, 0, StringArray);
		
		StringArray[0] = '\0';
		strcat(StringArray,"Inside: ");
		Ft_Gpu_Hal_Dec2Ascii(StringArray,(ft_int32_t)tempIn);
		strcat(StringArray," C");
		Ft_Gpu_CoCmd_Text(phost, 10, 40, 26, 0, StringArray);
		
		StringArray[0] = '\0';
		strcat(StringArray,"Engine: ");
		Ft_Gpu_Hal_Dec2Ascii(StringArray,(ft_int32_t)tempEngine);
		strcat(StringArray," C");
		Ft_Gpu_CoCmd_Text(phost, 10, 60, 26, 0, StringArray);

		StringArray[0] = '\0';
		strcat(StringArray,"GPS: ");
		Ft_Gpu_CoCmd_Text(phost, 220, 20, 26, 0, StringArray);

		ReadWord = Ft_Gpu_Hal_Rd32(phost, REG_TOUCH_DIRECT_XY);
		yvalue = (int16)(ReadWord & 0xffff);
		xvalue = (int16)((ReadWord>>16) & 0xffff);

		if(xvalue > 70 && xvalue < 460 && yvalue > 70 && yvalue < 190){
			printf("Smart mirror \n");
			screenNR = 2;
		} else if(xvalue > 630 && xvalue < 950 && yvalue > 70 && yvalue < 190){
			saved = !saved;
			printf("Save Data = %i\n", saved);
		} else
			printf("x = %i y = %i\n", xvalue, yvalue);

		Ft_App_WrCoCmd_Buffer(phost,DISPLAY());
		Ft_Gpu_CoCmd_Swap(phost);

		/* Download the commands into fifo */
		Ft_App_Flush_Co_Buffer(phost);

		/* Wait till coprocessor completes the operation */
		Ft_Gpu_Hal_WaitCmdfifo_empty(phost);
		Ft_Gpu_Hal_Sleep(30);
}

/*
 - matcher - the actual matching engine
 == static int matcher(struct re_guts *g, const char *string, \
 ==	size_t nmatch, regmatch_t pmatch[], int eflags);
 */
static int			/* 0 success, REG_NOMATCH failure */
matcher(struct re_guts *g,
	const char *string,
	size_t nmatch,
	regmatch_t pmatch[],
	int eflags)
{
	const char *endp;
	int i;
	struct match mv;
	struct match *m = &mv;
	const char *dp;
	const sopno gf = g->firststate+1;	/* +1 for OEND */
	const sopno gl = g->laststate;
	const char *start;
	const char *stop;
	/* Boyer-Moore algorithms variables */
	const char *pp;
	int cj, mj;
	const char *mustfirst;
	const char *mustlast;
	int *matchjump;
	int *charjump;

	/* simplify the situation where possible */
	if (g->cflags&REG_NOSUB)
		nmatch = 0;
	if (eflags&REG_STARTEND) {
		start = string + pmatch[0].rm_so;
		stop = string + pmatch[0].rm_eo;
	} else {
		start = string;
		stop = start + strlen(start);
	}
	if (stop < start)
		return(REG_INVARG);

	/* prescreening; this does wonders for this rather slow code */
	if (g->must != NULL) {
		if (g->charjump != NULL && g->matchjump != NULL) {
			mustfirst = g->must;
			mustlast = g->must + g->mlen - 1;
			charjump = g->charjump;
			matchjump = g->matchjump;
			pp = mustlast;
			for (dp = start+g->mlen-1; dp < stop;) {
				/* Fast skip non-matches */
				while (dp < stop && charjump[(int)*dp])
					dp += charjump[(int)*dp];

				if (dp >= stop)
					break;

				/* Greedy matcher */
				/* We depend on not being used for
				 * for strings of length 1
				 */
				while (*--dp == *--pp && pp != mustfirst);

				if (*dp == *pp)
					break;

				/* Jump to next possible match */
				mj = matchjump[pp - mustfirst];
				cj = charjump[(int)*dp];
				dp += (cj < mj ? mj : cj);
				pp = mustlast;
			}
			if (pp != mustfirst)
				return(REG_NOMATCH);
		} else {
			for (dp = start; dp < stop; dp++)
				if (*dp == g->must[0] &&
				    stop - dp >= g->mlen &&
				    memcmp(dp, g->must, (size_t)g->mlen) == 0)
					break;
			if (dp == stop)		/* we didn't find g->must */
				return(REG_NOMATCH);
		}
	}

	/* match struct setup */
	m->g = g;
	m->eflags = eflags;
	m->pmatch = NULL;
	m->lastpos = NULL;
	m->offp = string;
	m->beginp = start;
	m->endp = stop;
	STATESETUP(m, 4);
	SETUP(m->st);
	SETUP(m->fresh);
	SETUP(m->tmp);
	SETUP(m->empty);
	CLEAR(m->empty);
//.........这里部分代码省略.........

void BookPGNReadFromFile (const char *file)
/****************************************************************************
 *
 *  To read a game from a PGN file and store out the hash entries to book.
 *
 ****************************************************************************/
{
   FILE *fp;
   int moveno, ngames = 0;
   time_t t1, t2;
   double et;
   int error;

   /* TODO: Fix reading from file */

   et = 0.0;
   t1 = time(NULL);

   fp = fopen (file, "r");
   if (fp == NULL)
   {
     fprintf(stderr, "Cannot open file %s: %s\n", 
	     file, strerror(errno));
     return;
   }
   yyin = fp;

   /* Maybe add some more clever error handling later */
   if (BookBuilderOpen() != BOOK_SUCCESS)
     return;
   newpos = existpos = 0;
   data_dest = DEST_BOOK;

   while(1) {
     InitVars ();
     NewPosition ();
     CLEAR (flags, MANUAL);
     CLEAR (flags, THINK);
     myrating = opprating = 0;

     error = yylex();
     if (error) break;

     ngames++;
     if (ngames % 10 == 0) printf("Games processed: %d\r",ngames);
     fflush(stdout);
   }

   fclose (fp);
   if (BookBuilderClose() != BOOK_SUCCESS) {
     perror("Error writing opening book during BookBuilderClose");
   }

   /* Reset the board otherwise we leave the last position in the book
      on the board. */
   InitVars ();
   NewPosition ();
   CLEAR (flags, MANUAL);
   CLEAR (flags, THINK);
   myrating = opprating = 0;

   t2 = time(NULL);
   et += difftime(t2, t1);
   putchar('\n');

   /* Handle divide-by-zero problem */
   if (et < 0.5) { et = 1.0; };

   printf("Time = %.0f seconds\n", et);
   printf("Games compiled: %d\n",ngames);
   printf("Games per second: %f\n",ngames/et);
   printf("Positions scanned: %d\n",newpos+existpos);
   printf("Positions per second: %f\n",(newpos+existpos)/et);
   printf("New & unique added: %d positions\n",newpos);
   printf("Duplicates not added: %d positions\n",existpos);
}

int main(int argc, char **argv) {
	char buf[4096];
	pid_t chld_listener=-1, chld_sender=-1;
	uint8_t status=0, msg_type=0, ecount=0;
	size_t msg_len=0;
	struct sigaction chsa;
	uint8_t *ptr=NULL;
	int lports=IPC_BINDPORT_START;
	uint8_t all_done=0;
	char verbose_level[4];
	drone_t *c=NULL;

	ident=IDENT_MASTER;
	ident_name_ptr=IDENT_MASTER_NAME;

	CLEAR(buf);

	s=(settings_t *)xmalloc(sizeof(settings_t));
	memset(s, 0, sizeof(settings_t));
	s->vi=(interface_info_t *)xmalloc(sizeof(interface_info_t));
	memset(s->vi, 0, sizeof(interface_info_t));

	s->forked=0; /* not required, for clarity */

	/* s->display=&display_builtin; */

	getconfig_argv(argc, argv);

	if (s->interface_str == NULL) {
		if (get_default_route_interface(&s->interface_str) != 1) {
			MSG(M_WARN, "Can't find default route, and matching device, using default interface `%s'", DEFAULT_NETDEV);
			s->interface_str=xstrdup(DEFAULT_NETDEV);
		}
		if (s->verbose > 1) {
			MSG(M_VERB, "Using interface %s", s->interface_str);
		}
	}

	if (!(GET_OVERRIDE())) {
		/* let the listener tell us then, the user didnt request a specific address */
		CLEAR(s->vi->myaddr_s); CLEAR(s->vi->hwaddr_s);
		sprintf(s->vi->myaddr_s, "0.0.0.0");
		sprintf(s->vi->hwaddr_s, "00:00:00:00:00:00");
		memset(&s->vi->myaddr, 0, sizeof(s->vi->myaddr));
		memset(&s->vi->hwaddr, 0, sizeof(s->vi->hwaddr));
        }
	else {
		/* complete the information we need like hwaddr, cause its impossible to specify that currently */
		if (s->verbose > 1) MSG(M_DBG2, "Spoofing from `%s [%s]'", s->vi->myaddr_s, s->vi->hwaddr_s);

		/* the ip info is already filled in, so just complete the rest */
		CLEAR(s->vi->hwaddr_s);
		sprintf(s->vi->hwaddr_s, "00:00:00:00:00:00");
		memset(&s->vi->hwaddr, 0, sizeof(s->vi->hwaddr));
	}
	s->vi->mtu=0; /* the listener HAS to tell us this, seeing as how the real limitation is there */

	time(&(s->s_time));

	if (s->forklocal) {
		if (s->verbose > 5) MSG(M_DBG2, "children will be forked, setting up signal handler for them");

		memset(&chsa, 0, sizeof(chsa));
		chsa.sa_handler=&child_dead;
		if (sigaction(SIGCHLD, &chsa, NULL) < 0) {
			MSG(M_ERR, "Cant register SIGCHLD handler");
			terminate(TERM_ERROR);
		}
	}

	arc4random_stir();

	if (init_modules() < 0) {
		MSG(M_ERR, "Can't initialize module structures, quiting");
		terminate(TERM_ERROR);
	}

	if (ipc_init() < 0) {
		MSG(M_ERR, "Cant initialize IPC, quiting");
		terminate(TERM_ERROR);
	}

	if (s->verbose > 0) {
		char low[32], high[32];
		uint32_t ips=0;

		CLEAR(low); CLEAR(high);
		ips=ntohl(s->_low_ip);
		snprintf(low, sizeof(low) -1, "%s", inet_ntoa((*(struct in_addr *)&ips)));
		ips=ntohl(s->_high_ip);
		snprintf(high, sizeof(high) -1, "%s", inet_ntoa((*(struct in_addr *)&ips)));

		MSG(M_VERB, "Scanning: %s -> %s : %s from %s [%s] at %u pps", low, high, (s->mode == MODE_ARPSCAN ? "Arp" : s->port_str), s->vi->myaddr_s, s->vi->hwaddr_s, s->pps);
	}

	if (s->verbose > 3) MSG(M_DBG1, "Main process id is %d", getpid());

	snprintf(verbose_level, sizeof(verbose_level) -1, "%d", s->verbose);

	/* initialize senders */
//.........这里部分代码省略.........

void
prim_parsepropex(PRIM_PROTOTYPE)
{
	struct inst*	oper1 = NULL; /* prevents reentrancy issues! */
	struct inst*	oper2 = NULL; /* prevents reentrancy issues! */
	struct inst*	oper3 = NULL; /* prevents reentrancy issues! */
	struct inst*	oper4 = NULL; /* prevents reentrancy issues! */
	stk_array*		vars;
	const char*		mpi;
	char*			str = 0;
	array_iter		idx;
	extern int		varc; /* from msgparse.c */
	int				mvarcnt = 0;
	char*			buffers = NULL;
	int				novars;
	int				hashow = 0;
	int				i;
	int             len;
	char			tname[BUFFER_LEN];
	char			buf[BUFFER_LEN];

	CHECKOP(4);

	oper4 = POP(); /* int:Private */
	oper3 = POP(); /* dict:Vars */
	oper2 = POP(); /* str:Prop */
	oper1 = POP(); /* ref:Object */

	if (mlev < 3)
		abort_interp("Mucker level 3 or greater required.");

	if (oper1->type != PROG_OBJECT)
		abort_interp("Non-object argument. (1)");
	if (oper2->type != PROG_STRING)
		abort_interp("Non-string argument. (2)");
	if (oper3->type != PROG_ARRAY)
		abort_interp("Non-array argument. (3)");
	if (oper3->data.array && (oper3->data.array->type != ARRAY_DICTIONARY))
		abort_interp("Dictionary array expected. (3)");
	if (oper4->type != PROG_INTEGER)
		abort_interp("Non-integer argument. (4)");

	if (!valid_object(oper1))
		abort_interp("Invalid object. (1)");
	if (!oper2->data.string)
		abort_interp("Empty string argument. (2)");
	if ((oper4->data.number != 0) && (oper4->data.number != 1))
		abort_interp("Integer of 0 or 1 expected. (4)");

	CHECKREMOTE(oper1->data.objref);

	if (!prop_read_perms(ProgUID, oper1->data.objref, oper2->data.string->data, mlev))
		abort_interp("Permission denied.");

	len = oper2->data.string->length;
	strcpyn(tname, sizeof(tname), oper2->data.string->data);
	while (len-- > 0 && tname[len] == PROPDIR_DELIMITER) {
		tname[len] = '\0';
	}

	mpi		= get_property_class(oper1->data.objref, tname);
	vars	= oper3->data.array;
	novars	= array_count(vars);

	if (check_mvar_overflow(novars))
		abort_interp("Out of MPI variables. (3)");

	if (array_first(vars, &idx))
	{
		do
		{
			array_data*	val = array_getitem(vars, &idx);

			if (idx.type != PROG_STRING)
			{
				CLEAR(&idx);
				abort_interp("Only string keys supported. (3)");
			}

			if (idx.data.string == NULL)
			{
				CLEAR(&idx);
				abort_interp("Empty string keys not supported. (3)");
			}

			if (strlen(idx.data.string->data) > MAX_MFUN_NAME_LEN)
			{
				CLEAR(&idx);
				abort_interp("Key too long to be an MPI variable. (3)");
			}

			switch(val->type)
			{
				case PROG_INTEGER:
				case PROG_FLOAT:
				case PROG_OBJECT:
				case PROG_STRING:
				case PROG_LOCK:
				break;

//.........这里部分代码省略.........

void
mroute_addr_init(struct mroute_addr *addr)
{
    CLEAR(*addr);
}

void* RecieveClientThread(void* data) // recieve udp packets containing message/voice to the other client
{
	struct thread* new_data = data;	

	printf("you are recieving from %s IP address\n", new_data->IPaddr);
	PaStreamParameters outputParam;
	PaStream *stream = NULL;
	char *sampleBlock;
	int i, sockfd, numBytes;
	PaError error;
	struct sockaddr_in servaddr, cliaddr;

	sockfd = socket(AF_INET, SOCK_DGRAM, 0); // make udp socket
	bzero(&servaddr, sizeof(servaddr));
	servaddr.sin_family = AF_INET;
	servaddr.sin_addr.s_addr = inet_addr(new_data->IPaddr);
	servaddr.sin_port = htons(new_data->Port);

	bind(sockfd, (struct sockaddr*)&servaddr, sizeof(servaddr));
	fflush(stdout); 
	numBytes = FRAMES_BUFFER * SAMPLE_SIZE * 2;
	sampleBlock = (char *) malloc(numBytes);
	if(sampleBlock == NULL){
		printf("Could not allocate record array.\n");
		exit(1);
	}
	CLEAR(sampleBlock);
 
	printf("Initializing the devices...\n"); 
	error = Pa_Initialize();
	if(error != paNoError) 
		goto errorState;
 
	outputParam.device = Pa_GetDefaultOutputDevice();
  	printf( "Output device # %d.\n", outputParam.device );
	outputParam.channelCount = 2;
	outputParam.sampleFormat = paFloat32;
	outputParam.suggestedLatency = Pa_GetDeviceInfo( outputParam.device )->defaultHighOutputLatency;
	outputParam.hostApiSpecificStreamInfo = NULL;	
 
	error = Pa_OpenStream(&stream, NULL, &outputParam, SAMPLE_RATE, FRAMES_BUFFER, paClipOff, NULL, NULL );
  
	if( error != paNoError ) 
		goto errorState;
 
	error = Pa_StartStream( stream );
	if( error != paNoError ) 
		goto errorState;

	printf("The client is talking to you\n"); 
	fflush(stdout);

	while(1){
		recvfrom(sockfd, sampleBlock, 4096, 0, NULL, NULL); // recieve packet containing voice data from the other client
		error = Pa_WriteStream(stream, sampleBlock, FRAMES_BUFFER);
 		if(error && UNDERFLOW) 
			goto exitState;
	}

	error = Pa_StopStream(stream);
	if(error != paNoError) 
		goto errorState;
 
	CLEAR(sampleBlock);
	free(sampleBlock);
	Pa_Terminate();
	return 0;
 
exitState:
	if(stream){
		Pa_AbortStream(stream);
		Pa_CloseStream(stream);
	}
	free(sampleBlock);
	Pa_Terminate();
	if(error & paOutputUnderflow)
		fprintf(stderr, "Output Underflow.\n");
	return (void*)-2;
 
errorState:
	if(stream) {
		Pa_AbortStream(stream);
		Pa_CloseStream(stream);
	}
	free(sampleBlock);
	Pa_Terminate();
	fprintf(stderr, "An error occured while using the portaudio stream\n");
	fprintf(stderr, "Error number: %d\n", error);
	fprintf(stderr, "Error message: %s\n", Pa_GetErrorText(error));
	return (void*)-1;

}

void
semaphore_clear (struct semaphore *s)
{
  CLEAR (*s);
}

void
window_title_clear (struct window_title *wt)
{
  CLEAR (*wt);
}

void
win32_signal_open (struct win32_signal *ws,
		   int force,
		   const char *exit_event_name,
		   bool exit_event_initial_state)
{
  CLEAR (*ws);

  ws->mode = WSO_MODE_UNDEF;
  ws->in.read = INVALID_HANDLE_VALUE;
  ws->in.write = INVALID_HANDLE_VALUE;
  ws->console_mode_save = 0;
  ws->console_mode_save_defined = false;

  if (force == WSO_NOFORCE || force == WSO_FORCE_CONSOLE)
    {
      /*
       * Try to open console.
       */
      ws->in.read = GetStdHandle (STD_INPUT_HANDLE);
      if (ws->in.read != INVALID_HANDLE_VALUE)
	{
	  if (GetConsoleMode (ws->in.read, &ws->console_mode_save))
	    {
	      /* running on a console */
	      const DWORD new_console_mode = ws->console_mode_save
		& ~(ENABLE_WINDOW_INPUT
		    | ENABLE_PROCESSED_INPUT
		    | ENABLE_LINE_INPUT
		    | ENABLE_ECHO_INPUT 
		    | ENABLE_MOUSE_INPUT);

	      if (new_console_mode != ws->console_mode_save)
		{
		  if (!SetConsoleMode (ws->in.read, new_console_mode))
		    msg (M_ERR, "Error: win32_signal_open: SetConsoleMode failed");
		  ws->console_mode_save_defined = true;
		}
	      ws->mode = WSO_MODE_CONSOLE;
	    }
	  else
	    ws->in.read = INVALID_HANDLE_VALUE; /* probably running as a service */
	}
    }

  /*
   * If console open failed, assume we are running
   * as a service.
   */
  if ((force == WSO_NOFORCE || force == WSO_FORCE_SERVICE)
      && !HANDLE_DEFINED (ws->in.read) && exit_event_name)
    {
      struct security_attributes sa;

      if (!init_security_attributes_allow_all (&sa))
	msg (M_ERR, "Error: win32_signal_open: init SA failed");

      ws->in.read = CreateEvent (&sa.sa,
				 TRUE,
				 exit_event_initial_state ? TRUE : FALSE,
				 exit_event_name);
      if (ws->in.read == NULL)
	{
	  msg (M_WARN|M_ERRNO, "NOTE: CreateEvent '%s' failed", exit_event_name);
	}
      else
	{
	  if (WaitForSingleObject (ws->in.read, 0) != WAIT_TIMEOUT)
	    msg (M_FATAL, "ERROR: Exit Event ('%s') is signaled", exit_event_name);
	  else
	    ws->mode = WSO_MODE_SERVICE;
	}
    }
}

//.........这里部分代码省略.........
            }
        }
        i = (DBFETCH(program)->sp.program.code +
                DBFETCH(program)->sp.program.siz - 1)->line;
        if (startline > i) {
            anotify_nolisten(player, CFAIL "Starting line is beyond end of program.", 1);
            return 0;
        }
        if (startline < 1) startline = 1;
        if (endline > i) endline = i;
        if (endline < startline) endline = startline;
        anotify_nolisten(player, CINFO "Listing:", 1);
	if (!string_compare(cmd, "listi")) {
	    for (i = startline; i <= endline; i++) {
		pinst = linenum_to_pc(program, i);
		if (pinst) {
		    sprintf(buf, "line %d: %s", i, (i == fr->pc->line) ?
			    show_line_prims(program, fr->pc, STACK_SIZE, 1) :
			    show_line_prims(program, pinst, STACK_SIZE, 0));
		    notify_nolisten(player, buf, 1);
		}
	    }
	} else {
	    list_proglines(player, program, fr, startline, endline);
	}
        fr->brkpt.lastlisted = endline;
        anotify_nolisten(player, CINFO "Done.", 1);
        return 0;
    } else if (!string_compare(cmd, "quit")) {
        anotify_nolisten(player, CINFO "Halting execution.", 1);
        return 1;
    } else if (!string_compare(cmd, "trace")) {
	add_muf_read_event(descr, player, program, fr);
        if (!string_compare(arg, "on")) {
            fr->brkpt.showstack = 1;
            anotify_nolisten(player, CSUCC "Trace turned on.", 1);
        } else if (!string_compare(arg, "off")) {
            fr->brkpt.showstack = 0;
            anotify_nolisten(player, CSUCC "Trace turned off.", 1);
        } else {
            sprintf(buf, CINFO "Trace is currently %s.",
                    fr->brkpt.showstack? "on" : "off");
            anotify_nolisten(player, buf, 1);
        }
        return 0;
    } else if (!string_compare(cmd, "words")) {
	list_program_functions(player, program, arg);
	add_muf_read_event(descr, player, program, fr);
        return 0;
    } else if (!string_compare(cmd, "print")) {
	debug_printvar(player, fr, arg);
	add_muf_read_event(descr, player, program, fr);
        return 0;
    } else if (!string_compare(cmd, "push")) {
	push_arg(player, fr, arg);
	add_muf_read_event(descr, player, program, fr);
        return 0;
    } else if (!string_compare(cmd, "pop")) {
	fr->argument.top--;
	CLEAR(fr->argument.st + fr->argument.top);
	anotify_nolisten(player, CSUCC "Stack item popped.", 1);
	add_muf_read_event(descr, player, program, fr);
        return 0;
    } else if (!string_compare(cmd, "help")) {
notify_nolisten(player, "cont            continues execution until a breakpoint is hit.", 1);
notify_nolisten(player, "finish          completes execution of current function.", 1);
notify_nolisten(player, "step [NUM]      executes one (or NUM, 1) lines of muf.", 1);
notify_nolisten(player, "stepi [NUM]     executes one (or NUM, 1) muf instructions.", 1);
notify_nolisten(player, "next [NUM]      like step, except skips CALL and EXECUTE.", 1);
notify_nolisten(player, "nexti [NUM]     like stepi, except skips CALL and EXECUTE.", 1);
notify_nolisten(player, "break LINE#     sets breakpoint at given LINE number.", 1);
notify_nolisten(player, "break FUNCNAME  sets breakpoint at start of given function.", 1);
notify_nolisten(player, "breaks          lists all currently set breakpoints.", 1);
notify_nolisten(player, "delete NUM      deletes breakpoint by NUM, as listed by 'breaks'", 1);
notify_nolisten(player, "where [LEVS]    displays function call backtrace of up to num levels deep.", 1);
notify_nolisten(player, "stack [NUM]     shows the top num items on the stack.", 1);
notify_nolisten(player, "print v#        displays the value of given global variable #.", 1);
notify_nolisten(player, "print lv#       displays the value of given local variable #.", 1);
notify_nolisten(player, "trace [on|off]  turns on/off debug stack tracing.", 1);
notify_nolisten(player, "list [L1,[L2]]  lists source code of given line range.", 1);
notify_nolisten(player, "list FUNCNAME   lists source code of given function.", 1);
notify_nolisten(player, "listi [L1,[L2]] lists instructions in given line range.", 1);
notify_nolisten(player, "listi FUNCNAME  lists instructions in given function.", 1);
notify_nolisten(player, "words           lists all function word names in program.", 1);
notify_nolisten(player, "words PATTERN   lists all function word names that match PATTERN.", 1);
notify_nolisten(player, "exec FUNCNAME   calls given function with the current stack data.", 1);
notify_nolisten(player, "prim PRIMITIVE  executes given primitive with current stack data.", 1);
notify_nolisten(player, "push DATA       pushes an int, dbref, var, or string onto the stack.", 1);
notify_nolisten(player, "pop             pops top data item off the stack.", 1);
notify_nolisten(player, "help            displays this help screen.", 1);
notify_nolisten(player, "quit            stop execution here.", 1);
	add_muf_read_event(descr, player, program, fr);
	return 0;
    } else {
        anotify_nolisten(player, CINFO "I don't understand that debugger command. Type 'help' for help.", 1);
	add_muf_read_event(descr, player, program, fr);
        return 0;
    }
    return 0;
}

void
prim_getprop(PRIM_PROTOTYPE)
{
	const char *temp;
	PropPtr prptr;
	dbref obj2;

	CHECKOP(2);
	oper1 = POP();
	oper2 = POP();
	if (oper1->type != PROG_STRING)
		abort_interp("Non-string argument (2)");
	if (!oper1->data.string)
		abort_interp("Empty string argument (2)");
	if (!valid_object(oper2))
		abort_interp("Non-object argument (1)");
	CHECKREMOTE(oper2->data.objref);
	{
		char type[BUFFER_LEN];
		int len = oper1->data.string->length;

		if (!prop_read_perms(ProgUID, oper2->data.objref, oper1->data.string->data, mlev))
			abort_interp("Permission denied.");

		strcpyn(type, sizeof(type), oper1->data.string->data);
		while (len-- > 0 && type[len] == PROPDIR_DELIMITER) {
			type[len] = '\0';
		}

		obj2 = oper2->data.objref;
		prptr = get_property(obj2, type);

#ifdef LOG_PROPS
		log2file("props.log", "#%d (%d) GETPROP: o=%d n=\"%s\"",
				 program, pc->line, oper2->data.objref, type);
#endif

		CLEAR(oper1);
		CLEAR(oper2);
		if (prptr) {
#ifdef DISKBASE
			propfetch(obj2, prptr);
#endif
			switch (PropType(prptr)) {
			case PROP_STRTYP:
				temp = PropDataStr(prptr);
				PushString(temp);
				break;
			case PROP_LOKTYP:
				if (PropFlags(prptr) & PROP_ISUNLOADED) {
					PushLock(TRUE_BOOLEXP);
				} else {
					PushLock(PropDataLok(prptr));
				}
				break;
			case PROP_REFTYP:
				PushObject(PropDataRef(prptr));
				break;
			case PROP_INTTYP:
				PushInt(PropDataVal(prptr));
				break;
			case PROP_FLTTYP:
				PushFloat(PropDataFVal(prptr));
				break;
			default:
				result = 0;
				PushInt(result);
				break;
			}
		} else {
			result = 0;
			PushInt(result);
		}

		/* if (Typeof(oper2->data.objref) != TYPE_PLAYER)
		   ts_lastuseobject(oper2->data.objref); */
	}
}