Example #1
0
// Lua: realfrequency = setup( idR,idG,idB,frequency)
static int lpwmled_setup( lua_State* L )
{
	s32 freq;	  // signed, to error check for negative values
	int err;

	if((err=checkid(L,&(led.pwmidr),1))!=1) return err;
	if((err=checkid(L,&(led.pwmidg),2))!=1) return err;
	if((err=checkid(L,&(led.pwmidb),3))!=1) return err;
	freq = luaL_checkinteger( L, 4 );
	if ( freq <= 0 )
		return luaL_error( L, "wrong arg range" );
	led.frequency=freq;
	if ( led.frequency > 0 ) led.frequency = platform_pwm_setup( led.pwmidr,led.frequency, 0 );
	if ( led.frequency > 0 ) led.frequency = platform_pwm_setup( led.pwmidg,led.frequency, 0 );
	if ( led.frequency > 0 ) led.frequency = platform_pwm_setup( led.pwmidb,led.frequency, 0 );
	if(led.frequency==0)
		return luaL_error( L, "too many pwms." );
	lua_pushinteger( L, led.frequency );
	platform_pwm_start( led.pwmidr );
	platform_pwm_start( led.pwmidg );
	platform_pwm_start( led.pwmidb );
	led.maxduty_r=1023;
	led.maxduty_g=1023;
	led.maxduty_b=1023;
	return 1;
}
vector<int> exclusiveTime(int n, vector<string>& logs) {
    vector<int> ret(n,0); //func id as index, time is value
    stack<pair<int,int>> s; //func id, current execution time, when start, push, when end, pop

    for(int i=0;i<logs.size();i++){
        int index = 0;
        int id = checkid(logs[i],index);
        int label = checklabel(logs[i],index);
        int t = checktime(logs[i],index);
        if(label==0){
            s.push(make_pair(id,t));
        }else{
            pair<int,int> cur = s.top();
            int last = t-cur.second+1;
            ret[cur.first]+=last;
            s.pop();
            if (!s.empty()) {
              //to remove over count, not time for s.top().first id 
                ret[s.top().first] -= last;
            }
        }
    }


    return ret;
}
int getdata()
{
	int t;
	gotoxy(20,3);printf("Enter the Information Below");
	gotoxy(20,4);printf("\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2");
	gotoxy(20,5);
	printf("\xB2");gotoxy(53,5);printf("\xB2");
	gotoxy(20,6);
	printf("\xB2");gotoxy(53,6);printf("\xB2");
	gotoxy(20,7);
	printf("\xB2");gotoxy(53,7);printf("\xB2");
	gotoxy(20,8);
	printf("\xB2");gotoxy(53,8);printf("\xB2");
	gotoxy(20,9);
	printf("\xB2");gotoxy(53,9);printf("\xB2");
	gotoxy(20,10);
	printf("\xB2");gotoxy(53,10);printf("\xB2");
	gotoxy(20,11);
	printf("\xB2");gotoxy(53,11);printf("\xB2");
	gotoxy(20,12);
	printf("\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2");

	gotoxy(21,6);
	printf("Book ID:\t");
	gotoxy(30,6);
	scanf("%d",&t);
	if(checkid(t) == 0)
	{
		gotoxy(21,13);
		printf("\aThe book id already exists\a");
		getch();
		menu();
		return 0;
	}
	add.book_id=t;
	fflush(stdin);
	gotoxy(21,7);
	printf("Book Name:");
	fflush(stdin);
	gotoxy(31,7);
	gets(add.bookname);
	fflush(stdin);
	gotoxy(21,8);
	printf("Author:");gotoxy(28,8);
	fflush(stdin);
	gets(add.author);
	gotoxy(21,9);
	printf("Year:");gotoxy(28,9);
	scanf("%d",&add.year);
	fflush(stdin);
	gotoxy(21,10);
	printf("Quantity:");gotoxy(31,10);
	scanf("%d",&add.quantity);
	gotoxy(21,10);
	return 1;
}
Example #4
0
void editbooks() {		/* Edit details of books like shelf, no. of copies, etc.*/
	system("clear");
	int c = 0, y, d, e;
	printf("	Edit Books\n");
	while(1) {
		system("clear");
		printf("Enter Book Id to be edited:");
		scanf("%d", &d);
		fp = fopen("Library.dat", "rb+");
		while(fread(&a, sizeof(a), 1, fp) == 1) {
			if(checkid(d) == 0) {
				printf("The book is availble\n");
				printf("The Book ID:");
				scanf("%d", &a.id);
				printf("Enter new name:");	
				scanf("%s", a.name);
				printf("Enter new Author:");
				scanf("%s" ,a.Author);
				printf("Enter new quantity:");
				scanf("%d", &a.quantity);
				printf("Enter new price:");
				scanf("%f", &a.Price);
				printf("Enter new rackno:");
				scanf("%d", &a.rackno);
				printf("The record is modified\n");
				fseek(fp, ftell(fp) - sizeof(a), 0);
				fwrite(&a, sizeof(a), 1, fp);
				fclose(fp);
				c = 1;
			}
			if(c == 0) {
				printf("No record found\n");
			}
		}
		printf("Modify another Record?(Y/N) pres 1 for YES and 2 for NO");
		scanf("%d", &y);
		if(y == 2) {
	    		mainmenu();
		}
		else {
	    		system("clear");
	    		editbooks();
		}
	}
}
Example #5
0
int getdata() {		/* accept data to add book */
	int t;
	printf("Enter the Information Below\n");
	printf("Category:");
	printf("%s",branch[s-1]);
	printf("\nBook ID:\t");
	scanf("%d",&t);
	if(checkid(t) == 0) {
		printf("The book id checkid exists\t");
		mainmenu();
	}
	a.id = t;
	printf("\nBook Name:");
	scanf("%s", a.name);
	printf("\nAuthor:");
	scanf("%s", a.Author);
	printf("\nQuantity:");
	scanf("%d", &a.quantity);
	printf("\nPrice:");
	scanf("%f", &a.Price);
	printf("\nRack No:");
	scanf("%d", &a.rackno);
	return 1;
}
Example #6
0
void issuebooks() {		/* Issue perticular book to student also check for returntime which is 15 days */		
	time_t td = time(0);   // get time now
	struct tm * now = localtime( & td );
	//int dd1, mm1, yy1;
	a.issued.dd = now->tm_mday;
	a.issued.mm = now->tm_mon;
	a.issued.yy = now->tm_year;
	printf("\n\n******** %d  %d  %d\n\n",a.issued.dd, a.issued.mm, a.issued.yy);
	int t, ch, y;
	system("clear");
	printf("BOOK ISSUE SECTION\n");
	printf("1. Issue a Book\n");
    	printf("2. View Issued Book\n");
    	printf("3. Search Issued Book\n");
   	printf("4. Remove Issued Book\n");
	printf("5. Retutn to mainmemu\n");
    	printf("Enter a Choice:\n");
	scanf("%d", &ch);
	FILE *fs;
	switch(ch) {
		x1:	case 1: {		/* issue book*/
				system("clear");
				int c = 0,y;
				while(1) {
					system("clear");
					printf("	Book Issue Section\n");
					printf("Enter the Book Id:\n");
					scanf("%d", &t);
					fp = fopen("Library.dat","rb+");
					fs = fopen("Issue.txt","ab+");
					if(checkid(t) == 0) {
			     			printf("The book record is available\n");
			     			printf("There are %d unissued books in library\n", a.quantity);
			     			printf("The name of book is %s\n", a.name);
			    			printf("Enter student name:\n");
			    			scanf("%s", a.stname);
						a.issued.dd = now->tm_mday;
						a.issued.mm = now->tm_mon;
						a.issued.yy = now->tm_year;
			    	 		printf("Issued date = %d - %d - %d\n", a.issued.dd, a.issued.mm, a.issued.yy);
			    			printf("The BOOK of ID %d is issued ", a.id);
			    	 		a.duedate.dd = a.issued.dd+RETURNTIME; 
			    	 		a.duedate.mm = a.issued.mm;
			    	 		a.duedate.yy = a.issued.yy;
			    	 		if(a.duedate.dd > 30) {
					 		a.duedate.mm += a.duedate.dd / 30;
					 		a.duedate.dd -= 30;
			    			 }
			    	 		if(a.duedate.mm > 12) {
							a.duedate.yy += a.duedate.mm / 12;
							a.duedate.mm -= 12;
			    	 		}
			    	 		printf("To be return:%d-%d-%d", a.duedate.dd, a.duedate.mm, a.duedate.yy);
			    			fseek(fs, sizeof(a), SEEK_END);
			    	 		fwrite(&a, sizeof(a), 1, fs);
			    	 		fclose(fs);
			    		 	c = 1;
					}
					if(c == 0) {
						printf("No record found\n");
					}
					fclose(fp);
					printf("\nIssue any more(Y/N) press 1 for YES and 2 for NO:");
					scanf("%d", &y);
					if(y == 1)
						goto x1;
					else 
						issuebooks();	
				
				}
				break;
			}
			case 2:  {		/* view issued books */
				system("clear");
				int j = 4;
				printf("\tIssued book list\n");
			        fs = fopen("Issue.txt","rb");
				while(fread(&a,sizeof(a),1,fs)==1) {
					printf("\n\nSTUDENT NAME:	%s", a.stname);
					printf("\nCATEGORY :	%s", a.cat);
					printf("\nID :	%d", a.id);
					printf("\nBOOK NAME: 	%s", a.name);
					printf("\nISSUED DATE :	%d-%d-%d", a.issued.dd, a.issued.mm, a.issued.yy );
					printf("\nRETURN DATE :	%d-%d-%d\n", a.duedate.dd, a.duedate.mm, a.duedate.yy);
					j++;
				}
				fclose(fs);
				printf("Press 1 to go issue books again:");
				scanf("%d", &y);
				if(y == 1) 
					issuebooks();
			}
			break;
		x2:	case 3: {		/* Search for issued  book */
				system("clear");
				int p, c = 0;
				printf("Enter Book ID:");
				scanf("%d", &p);
				while(1) {
					
					fs = fopen("Issue.txt", "rb");
					while(fread(&a, sizeof(a), 1, fs) == 1) {
						if(a.id == p) 
							issuerecord();
						c = 1;
					}

				fclose(fs);
				if(c == 0)
				printf("No Record Found");
				printf("Try Another Search?(Y/N) press 1 for YES and 2 for NO:");
				scanf("%d", &y);
				if(y == 1)
					goto x2;
				else 
					issuebooks();
				}
			}
			break;
		x3:	case 4: {		/* Remove issued book */
				int y;
				system("clear");
				int b;
				FILE *fg;  
				while(1) {
					printf("Enter book id to remove:");
					scanf("%d", &b);
					fs = fopen("Issue.txt", "rb+");
					while(fread(&a, sizeof(a), 1, fs) == 1) {
						if(a.id == b) {
							issuerecord();
							flag = 10;
						}
						if(flag == 10) {
							printf("Do You Want to Remove it?(Y/N) press 1 for YES and 2 for NO");
							scanf("%d", &y);
							if(y == 1) { 
								fg = fopen("record.txt", "wb+");
								rewind(fs);
								while(fread(&a, sizeof(a), 1, fs) == 1) {
									if(a.id!=b) {
										fseek(fs, 0, SEEK_CUR);
										fwrite(&a, sizeof(a), 1, fg);
									}
								}
								fclose(fs);
								fclose(fg);
								remove("Issue.txt");
								rename("record.dat", "Issue.txt");
								printf("The issued book is removed from list\n");
								printf("Delete any more?(Y/N) press 1 fo1r YES and 2 for NO");
								scanf("%d", &y);
								if(y == 1)
									goto x3;
								else 
									issuebooks();
			
							}
						}
						if(flag!= 10) {
							printf("No Record Found\n");
							printf("Press 1 to go issue books again:");
							scanf("%d", &y);
							if(y == 1) 
								issuebooks();
						}
					}
				
				}
			}
			case 5: 
				mainmenu();
				break;
			default:
				printf("Wrong Entry!!\n");
   				return 0;
				issuebooks();
				break;
	}
}
Example #7
0
void findelectrodes::find()
{
    thresh = img.clone();

    //tresholding image by using adaptive thresholding, 203 is the matrix size and has to be adapted if thresholding fails
    cv::adaptiveThreshold(img,thresh,255,CV_ADAPTIVE_THRESH_MEAN_C, CV_THRESH_BINARY,203,0);

    //searching for contours in thresholded image, building hierachy of contours (outercontour -> innercontours)
    cv::findContours( thresh.clone() , contours, hierarchy,CV_RETR_TREE, CV_CHAIN_APPROX_NONE );

    //checking every found contour...
    for( int i = 0; i< contours.size(); i++ )
    {
        //counting innercountours from the left and from the right side
        int innercontours = -1;
        for(int next = hierarchy[i][2]; next >= 0; next = hierarchy[next][0])
        {
            innercontours++;
        }
        for(int prev = hierarchy[i][2]; prev >= 0; prev = hierarchy[prev][1])
        {
            innercontours++;
        }

        //checking if contour matches expected perimeter range and expected innercontour size, has to be adapted if image properties are changed extremely
        if( cv::arcLength(contours[i], true) > img.cols/4 && cv::arcLength(contours[i], true) < 30*img.cols &&
            innercontours >= 7 && innercontours <= 24)
        {
            //checking for image contours which are large enough to be considered as an electrode marker
            int largeinnercontours = 0;
            for(int next = hierarchy[i][2]; next >= 0; next = hierarchy[next][0])
            {
                if( (cv::contourArea( contours[next], false) >=  cv::contourArea( contours[i], false)/200) &&
                        (cv::contourArea( contours[next], false) <=  cv::contourArea( contours[i], false)/20) )
                {
                    largeinnercontours++;
                }
            }
            for(int prev = hierarchy[ hierarchy[i][2] ][1]; prev >= 0; prev = hierarchy[prev][1])
            {
                if( (cv::contourArea( contours[prev], false) >=  cv::contourArea( contours[i], false)/200) &&
                        (cv::contourArea( contours[prev], false) <=  cv::contourArea( contours[i], false)/20) )
                {
                    largeinnercontours++;
                }
            }

            if(largeinnercontours >= 7 && largeinnercontours <= 24)
            {
                //saving contour id in list for further analysis
                std::cout << "Contour-Id: " << i << " Innercontours:" << innercontours << " Largeinnercontours:" << largeinnercontours << std::endl;
                stripes.push_back(i);
            }
        }
    }

    for(int i = 0; i < stripes.size(); i++) //analysing every found stripe
    {
        //checking for sizes of inner countous, if size is in the range of electrode marker, calculate centroid of marker
        cv::Moments moment;
        std::vector<cv::Point2f> centroids;
        std::vector<double> centroidPerimeter;
        std::vector<int> centroidContour;
        for(int next = hierarchy[stripes[i]][2]; next >= 0; next = hierarchy[next][0])
        {
            if( (cv::contourArea( contours[next], false) >=  cv::contourArea( contours[stripes[i]], false)/300) &&
                    (cv::contourArea( contours[next], false) <=  cv::contourArea( contours[stripes[i]], false)/20) )
            {
                moment = cv::moments(contours[next], false);
                centroids.push_back( cv::Point2f(moment.m10/moment.m00 ,moment.m01/moment.m00));
                centroidPerimeter.push_back( cv::arcLength( contours[next], true));
                centroidContour.push_back( next);
            }
        }
        for(int prev = hierarchy[ hierarchy[stripes[i]][2] ][1]; prev >= 0; prev = hierarchy[prev][1])
        {
            if( (cv::contourArea( contours[prev], false) >=  cv::contourArea( contours[stripes[i]], false)/300) &&
                    (cv::contourArea( contours[prev], false) <=  cv::contourArea( contours[stripes[i]], false)/20) )
            {
                moment = cv::moments(contours[prev], false);
                centroids.push_back( cv::Point2f(moment.m10/moment.m00 ,moment.m01/moment.m00));
                centroidPerimeter.push_back( cv::arcLength( contours[prev], true));
                centroidContour.push_back( prev);
            }
        }

        //if two centroids are too close, thresholding for marker might be wrong and both centroids have to be joined
        for( int j=0; j < centroids.size(); j++)
        {
            for( int k = j+1; k < centroids.size(); k++)
            {
                double dist = sqrt( (centroids[j].x - centroids[k].x)*(centroids[j].x - centroids[k].x) + (centroids[j].y - centroids[k].y)*(centroids[j].y - centroids[k].y) );
                double averagePerimeter = ( cv::arcLength( contours[centroidContour[j]], true) +  cv::arcLength( contours[centroidContour[k]], true))/2;

                    if( dist <= averagePerimeter/2 //&& additional requirement removed: after long thinking, does not make sense why rectangular markers should not be merged and rhombic markers not
                        //cv::minAreaRect(contours[centroidContour[j]]).size.area() <= 1.7 *  cv::contourArea(contours[centroidContour[j]], false) &&
                        //cv::minAreaRect(contours[centroidContour[k]]).size.area() <= 1.7 *  cv::contourArea(contours[centroidContour[k]], false)  
			)
                    {
                        centroids[j].x = (centroids[j].x + centroids[k].x)/2;
                        centroids[j].y = (centroids[j].y + centroids[k].y)/2;
                        centroidPerimeter[j] += centroidPerimeter[k];
                        centroids[k].x = -1;
                        centroids[k].y = -1;
                    }
            }
        }

        //delete second marker of two joined markers (joined marker is written to first marker position)
        for( int j=0; j < centroids.size(); j++)
        {
            if( centroids[j].x == -1 )
            {
                centroids.erase(centroids.begin()+j);
                centroidPerimeter.erase(centroidPerimeter.begin()+j);
                j--;
            }
        }

        sortCentroids(centroids); //sort found centroids by x or y coordinates

        std::cout << centroids << std::endl;

        std::cout << "\nPotentieller Streifen: ";

        if(centroids.size() <= 12 && centroids.size() > 0) //stripe size is not allowed to be bigger than 12 or smaller than 1
        {
            //getting subpixel information for found centroids
            cv::cornerSubPix(img, centroids, cvSize(4,4), cvSize(1,1) ,cvTermCriteria ( CV_TERMCRIT_ITER|CV_TERMCRIT_EPS,100,0.001 ));

            std::vector<int> id;

            for( int j=0; j < centroids.size(); j++)
            {
                //for every centroid: calculating connection vector of actual and next centroid
                //scaling the vector to the half of the diagonal length of one of the four rectangles which are belonging to an elctrode marker
                //rotating the vector in four directions which are roughly pointing to the diagonal of each reactangle
                //checking for colors of calculated points for getting bit of electrode marker
                //adding bit to id vector: '0','1' are set for bit values, '-2' is set for errors (bit not decoded)
                cv::Point2f direction;
                cv::Point2f rot1;
                cv::Point2f rot2;
                cv::Point2f rot3;
                cv::Point2f rot4;
                if( j!= (centroids.size()-1) )
                {
                    direction.x = centroids[j+1].x - centroids[j].x;
                    direction.y = centroids[j+1].y - centroids[j].y;
                }
                else
                {
                    direction.x = centroids[j].x - centroids[j-1].x;
                    direction.y = centroids[j].y - centroids[j-1].y;
                }
                double length = sqrt( direction.x * direction.x + direction.y * direction.y );
                direction.x = 0.09 * centroidPerimeter[j] * direction.x/length;
                direction.y = 0.09 * centroidPerimeter[j] * direction.y/length;
                rot1.x = ( 0.94 * direction.x - 0.34 * direction.y ); //20°
                rot1.y = ( 0.34 * direction.x + 0.94 * direction.y );
                rot2.x = ( -0.94 * direction.x - 0.34 * direction.y );
                rot2.y = ( 0.34 * direction.x - 0.94 * direction.y );
                rot3.x = ( -0.94 * direction.x + 0.34 * direction.y );
                rot3.y = ( -0.34 * direction.x - 0.94 * direction.y );
                rot4.x = ( 0.94 * direction.x + 0.34 * direction.y );
                rot4.y = ( -0.34 * direction.x + 0.94 * direction.y );

                if( thresh.at<uchar>(centroids[j].y + rot1.y, centroids[j].x + rot1.x) == 255 &&
                        thresh.at<uchar>(centroids[j].y + rot2.y, centroids[j].x + rot2.x) == 0 &&
                        thresh.at<uchar>(centroids[j].y + rot3.y, centroids[j].x + rot3.x) == 255 &&
                        thresh.at<uchar>(centroids[j].y + rot4.y, centroids[j].x + rot4.x) == 0 )
                {
                    id.push_back(1);
                    std::cout << 1;
                }
                else if( thresh.at<uchar>(centroids[j].y + rot1.y, centroids[j].x + rot1.x) == 0 &&
                         thresh.at<uchar>(centroids[j].y + rot2.y, centroids[j].x + rot2.x) == 255 &&
                         thresh.at<uchar>(centroids[j].y + rot3.y, centroids[j].x + rot3.x) == 0 &&
                         thresh.at<uchar>(centroids[j].y + rot4.y, centroids[j].x + rot4.x) == 255 )
                {
                    id.push_back(0);
                    std::cout << 0;
                }
                else if( thresh.at<uchar>(centroids[j].y + 0.8 * rot1.y, centroids[j].x + 0.8 * rot1.x) == 255 &&
                         thresh.at<uchar>(centroids[j].y + 0.8 *rot2.y, centroids[j].x + 0.8 * rot2.x) == 0 &&
                         thresh.at<uchar>(centroids[j].y + 0.8 *rot3.y, centroids[j].x + 0.8 * rot3.x) == 255 &&
                         thresh.at<uchar>(centroids[j].y + 0.8 *rot4.y, centroids[j].x + 0.8 * rot4.x) == 0 )
                {
                    id.push_back(1);
                    std::cout << 1;
                }
                else if( thresh.at<uchar>(centroids[j].y + 0.8 *rot1.y, centroids[j].x + 0.8 * rot1.x) == 0 &&
                         thresh.at<uchar>(centroids[j].y + 0.8 *rot2.y, centroids[j].x + 0.8 * rot2.x) == 255 &&
                         thresh.at<uchar>(centroids[j].y + 0.8 *rot3.y, centroids[j].x + 0.8 * rot3.x) == 0 &&
                         thresh.at<uchar>(centroids[j].y + 0.8 *rot4.y, centroids[j].x + 0.8 * rot4.x) == 255 )
                {
                    id.push_back(0);
                    std::cout << 0;
                }
                else
                {
                    id.push_back(-2);
                    std::cout << -2;
                }

                /*cv::circle(thresh, centroids[j] + rot1 , 2, cv::Scalar(0,0,0), 1);
                cv::circle(thresh, centroids[j] + rot2 , 2, cv::Scalar(0,0,0), 1);
                cv::circle(thresh, centroids[j] + rot3 , 2, cv::Scalar(0,0,0), 1);
                cv::circle(thresh, centroids[j] + rot4 , 2, cv::Scalar(0,0,0), 1);*/
            }
            std::cout << std::endl << std::endl;

            checkid(id, centroids);
        }

        centroids.clear();
    }
}
void editbookrecords()
{
    system("cls");
	int c=0;
	int d,e;
	gotoxy(20,4);
	printf("****Edit Books Section****");
	char another='y';
	while(another=='y')
	{
		system("cls");
		gotoxy(20,2);
		printf("Enter Book ID to be edited:");
		scanf("%d",&d);
		fp=fopen("quizdata.txt","rb+");
		while(fread(&add,sizeof(add),1,fp)==1)
		{
			if(checkid(d)==0)
			{
				gotoxy(25,4);
				printf("The book is AVAILABLE.");
				gotoxy(25,6);
				printf("The Book ID: %d",add.book_id);
				gotoxy(1,8);
                printf("\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2");
				gotoxy(1,9);
				printf("\xB2 Current name: ");puts(add.bookname);gotoxy(38,9);printf("\xB2");
				gotoxy(1,10);
				printf("\xB2 Current Author:");puts(add.author);gotoxy(38,10);printf("\xB2");
				gotoxy(1,11);
				printf("\xB2 Current year:");printf("%d",add.year);gotoxy(38,11);printf("\xB2");
				gotoxy(1,12);
				printf("\xB2 Current quantity:");printf("%d",add.quantity);gotoxy(38,12);printf("\xB2");
                gotoxy(1,13);
                printf("\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2");
                fflush(stdin);
                gotoxy(40,8);
                printf("\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2");


                gotoxy(40,9);printf("\xB2");
                gotoxy(40,10);printf("\xB2");
                gotoxy(40,11);printf("\xB2");
                gotoxy(40,12);printf("\xB2");

                gotoxy(78,9);printf("\xB2");
                gotoxy(78,10);printf("\xB2");
                gotoxy(78,11);printf("\xB2");
                gotoxy(78,12);printf("\xB2");
                gotoxy(40,13);
				printf("\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2");

                gotoxy(40,9);
				printf("\xB2 Enter new name:");gets(add.bookname);
				gotoxy(40,10);
				printf("\xB2 Enter new Author:");gets(add.author);
				gotoxy(40,11);
				printf("\xB2 Enter new year:");scanf("%d",&add.year);
				gotoxy(40,12);
				printf("\xB2 Enter new quantity:");scanf("%d",&add.quantity);

				gotoxy(22,17);
				printf("The record is modified");
				fseek(fp,-sizeof(add),1);
				fwrite(&add,sizeof(add),1,fp);
				fclose(fp);
				c=1;
			}
			if(c==0)
			{
				gotoxy(15,9);
				printf("No record found");
			}
		}
		gotoxy(22,20);
		printf("Modify another Record?(Y/N)");
		fflush(stdin);
		gotoxy(50,20);
		another=getch() ;
	}
		returnfunc();
}