Program:
#include<stdio.h>
#include<ctype.h>
#include<string.h>
#include<stdlib.h>
//defining the properties of the fields used in the program
#define IN 1
#define OUT 0
void Addbook();
void Searchbook();
void Displaybook();
void Author();
void Titlelist();
void Stock();
void Issue();
void bookret();
void Addmembr();
void Exit();
char info[500];
struct
{
int bid;
char bname[25] ;
char author[25];
int nooftitles;
char titles[500];
int status;
}book;
struct
{
int mid;
char mname[25] ;
char department[25];
int availibcard;
int phno;
}membr;
//initializing the files used in the program
FILE *librecord;
FILE *membrrecord;
FILE *fp1;
FILE *fp2;
FILE *temp1;
FILE *temp2;
int main()
{
int choice=0,i;
printf("\n\t\t<<LIBRARY MANAGEMENT SYSTEM>>(Beta version ) \n");
do{
printf("\n\t~~MENU~~\n 1> Add A New Book\n 2> Search a book \n 3> Display Complete Information\n 4> Display All Books of An Author\n 5> List Titles of a Book\n 6> List Count of Books (Issued & On Stock)\n 7> To Issue a Book \n 8> To Rreturn a Book \n 9> Add A New Member\n 10> Exit the program\n\n\t Enter your choice <1-10>: ");
scanf("%i",&choice);
switch (choice)
{
case 1:
Addbook();
break;
case 2:
Searchbook();
break;
case 3:
Displaybook();
break;
case 4:
Author();
break;
case 5:
Titlelist();
break;
case 6:
Stock();
break;
case 7:
Issue();
break;
case 8:
bookret();
break;
case 9:
Addmembr();
break;
case 10:
Exit();
default:
printf(" ! Invalid Input...\n");
}
}while(choice!=10);
return (0);
}
void Addbook()
{
int i;book.status=IN;
//opening the librecord file
librecord = fopen("librecord.txt","a+");
printf("Enter The uniqueid of The Book :(Integer) \n");
scanf("%d",&book.bid);
printf("Enter The Name of The Book :\n");
scanf("%s",book.bname);
printf("Enter The Name of Author :\n");
scanf("%s",book.author);
printf("Enter The Number of Titles Of The Book:(Integer)\n");
scanf("%d",&book.nooftitles);
fprintf(librecord,"\n%d\t%s\t%s\t%d\t%d\t",book.bid,book.bname,book.author,book.status,book.nooftitles);
printf("Enter The Titles Of The Book : \n");
for(i=0;i<book.nooftitles;i++)
{
scanf("%s",book.titles);
fprintf(librecord,"%s\t",book.titles);
}
fclose(librecord);
printf(" (' ' ) A New Book has been Added Successfully...\n");
}
void Displaybook()
{
librecord = fopen("librecord.txt","a+");
printf("\nBookid\tName\tAuthor\tStatus\tNo.\tTitles\n",info);
do
{
fgets(info,500,librecord);
printf("%s\n",info);
}while(!feof(librecord));
fclose(librecord);
membrrecord = fopen("membrrecord.txt","a+");
printf("\nMid\tName\tDept\tPh.no\tAvailablecards\n");
do
{
fgets(info,500,membrrecord);
printf("%s\n",info);
}while(!feof(membrrecord));
fclose(membrrecord);
}
void Searchbook()
{
int i;
char Target[25],stats[3];
int Found=0;
if((librecord=fopen("librecord.txt","r"))==NULL)
printf(" ! The File is Empty...\n\n");
else
{
printf("\nEnter The Name Of Book : ");
scanf("%s",Target);
while(!feof(librecord)&& Found==0)
{
fscanf(librecord,"%d %s %s %d %d", &book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(strcmp(Target,book.bname)==0)
Found=1;
for(i=0;i<book.nooftitles;i++)
fscanf(librecord,"%s",book.titles);
}
if(Found)
{
if(book.status==IN)
strcpy(stats,"IN");
else
strcpy(stats,"OUT");
printf("\nThe Unique ID of The Book: %d\nThe Name of Book is: %s\nThe Author is: %s\nThe Book Status:%s\n\n",book.bid,book.bname,book.author,stats);
}
else if(!Found)
printf("! There is no such Entry...\n");
fclose(librecord);
}
}
void Author()
{
int i;
char Target[500];
int Found=0;
if((librecord=fopen("librecord.txt","r"))==NULL)
printf(" ! The file is empty... \n\n");
else
{
printf("\nEnter The Name Of Author : ");
scanf("%s",Target);
printf("\nBooks:");
while(!feof(librecord))
{
fscanf(librecord,"%d %s %s %d %d",&book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(strcmp(Target,book.author)==0)
{
Found=1;
printf("\n\t%s",book.bname);
}
for(i=0;i<book.nooftitles;i++)
fscanf(librecord,"%s",book.titles);
}
if(!Found)
printf(" ! There is no such Entry...\n");
fclose(librecord);
}
}
void Titlelist()
{
int i;
char Target[500];
int Found=0;
if((librecord=fopen("librecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
printf("\nEnter The Book Name :");
scanf("%s",Target);
while(!feof(librecord)&& Found==0)
{
fscanf(librecord,"%d %s %s %d %d",&book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(strcmp(Target,book.bname)==0)
{
Found=1;
break;
}
for(i=0;i<book.nooftitles;i++)
fscanf(librecord,"%s",book.titles);
}
if(Found)
{
//printf("The Name of book is: %s\n",book.bname);
printf("\nThe Titles:\n");
for(i=0;i<book.nooftitles;i++)
{
fscanf(librecord,"%s",book.titles);
printf("%d.%s......\n",i+1,book.titles);
}
}
else if(!Found)
printf(" ! There is no such Entry...\n");
fclose(librecord);
}
}
void Stock()
{
int i,issuecount=0,stockcount=0;
char Issued[100][20];
int Found=0;
if((librecord=fopen("librecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(librecord))
{
fscanf(librecord,"%d %s %s %d %d",&book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(book.status==IN)
{
stockcount++;
}
else
{
issuecount++;
}
for(i=0;i<book.nooftitles;i++)
fscanf(librecord,"%s",book.titles);
}
fclose(librecord);
printf("\nCount of issued Books:%d\nCount of Books in Stock:%d\n",issuecount,stockcount-1);
}
}
void Addmembr()
{
int i;
membrrecord = fopen("membrrecord.txt","a+");
printf("Enter The userid of the Member(Integer) :\n");
scanf("%d",&membr.mid);
printf("Enter The Name of the Member :\n");
scanf("%s",membr.mname);
printf("Enter The Department\n");
scanf("%s",membr.department);
printf("Enter The phone number of the member:\n");
scanf("%d",&membr.phno);
membr.availibcard=5;
fprintf(membrrecord,"\n%d\t%s\t%s\t%d\t%d\t",membr.mid,membr.mname,membr.department,membr.phno, membr.availibcard);
fclose(membrrecord);
printf("\n (' ') Added A New member Successfully...\n");
}
void Issue()
{
int mid,i,Found1=0,Found2=0;char issubookname[20];
//temp1=librecord;temp2=membrrecord;
printf("\nEnter The userid of the Member : \n");
scanf("%d",&mid);
if((membrrecord=fopen("membrrecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(membrrecord)&& Found1==0)
{
fscanf(membrrecord,"%d %s %s %d %d ",&membr.mid,membr.mname,membr.department,&membr.phno,&membr.availibcard);
if(mid==membr.mid)
{
Found1=1;
}
}
if(Found1)
{
if(membr.availibcard<1)
{
printf(" ! Library card not available...\n");
}
else
{ printf("\nEnter The Name of book :");
scanf("%s",issubookname);
if((librecord=fopen("librecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(librecord)&& Found2==0)
{
fscanf(librecord,"%d %s %s %d %d", &book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(strcmp(issubookname,book.bname)==0)
Found2=1;
for(i=0;i<book.nooftitles;i++)
fscanf(librecord,"%s",book.titles);
}
if(Found2)
{
if(book.status==0)
{
printf(" ! Book already issued...\n");
}
else
{
fp2=fopen("fp2.txt","w");
if((temp2=fopen("membrrecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(temp2))
{
fscanf(temp2,"%d %s %s %d %d ",&membr.mid,membr.mname,membr.department,&membr.phno,&membr.availibcard);
if(mid==membr.mid)
{
membr.availibcard--;
fprintf(fp2,"\n %d\t%s\t%s\t%d\t%d\t",membr.mid,membr.mname,membr.department,membr.phno, membr.availibcard);
}
else{
fprintf(fp2,"\n %d\t%s\t%s\t%d\t%d\t",membr.mid,membr.mname,membr.department,membr.phno,membr.availibcard);}
if(feof(temp2))
break;
}
}
fclose(temp2);
fclose(fp2);
fp1=fopen("fp1.txt","w");
if((temp1=fopen("librecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(temp1))
{
fscanf(temp1,"%d %s %s %d %d", &book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(feof(temp1))
break;
if(strcmp(issubookname,book.bname)!=0)
{
fprintf(fp1,"\n%d\t%s\t%s\t%d\t%d \t",book.bid,book.bname,book.author,book.status,book.nooftitles);
}
else
{
fprintf(fp1,"\n%d\t%s\t%s\t%d\t%d\t",book.bid,book.bname,book.author,0,book.nooftitles);
}
for(i=0;i<book.nooftitles;i++)
{
fscanf(temp1,"%s",book.titles);
fprintf(fp1,"%s\t",book.titles);
}
}
}
fclose(temp1);
fclose(fp1);
fclose(librecord);
fclose(membrrecord);
remove("librecord.txt");
rename("fp1.txt","librecord.txt");
remove("membrrecord.txt");
rename("fp2.txt","membrrecord.txt");
printf(" (' ') Book Successfully issued...\n");
}
}
else if(!Found2)
printf(" ! There is no such Book...\n");
}
}
}
else if(!Found1)
printf(" ! Invalid User id...\n");
}
}
void bookret()
{
int mid,i,Found1=0,Found2=0,flag=0;char retbookname[20];
temp1=librecord;temp2=membrrecord;
printf("\nEnter The userid of the Member :\n");
scanf("%d",&mid);
if((membrrecord=fopen("membrrecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(membrrecord)&& Found1==0)
{
fscanf(membrrecord,"%d %s %s %d %d ",&membr.mid,membr.mname,membr.department,&membr.phno,&membr.availibcard);
if(mid==membr.mid)
{
Found1=1;
}
}
if(Found1)
{
if(membr.availibcard>=5)
{
printf(" ! Error...\n");
}
else
{ printf("\nEnter The Name of book :");
scanf("%s",retbookname);
if((librecord=fopen("librecord.txt","r"))==NULL)
printf(" ! The file is empty\n\n");
else
{
while(!feof(librecord)&& Found2==0)
{
fscanf(librecord,"%d %s %s %d %d", &book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(strcmp(retbookname,book.bname)==0)
Found2=1;
for(i=0;i<book.nooftitles;i++)
fscanf(librecord,"%s",book.titles);
}
if(Found2)
{
if(book.status==1)
{
printf(" ! Error:Book already in stock...\n");
}
else
{
fp2=fopen("fp2.txt","w");
if((temp2=fopen("membrrecord.txt","a+"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(temp2))
{
fscanf(temp2,"%d %s %s %d %d ",&membr.mid,membr.mname,membr.department,&membr.phno,&membr.availibcard);
if(mid==membr.mid)
{
membr.availibcard++;
fprintf(fp2,"\n %d\t%s\t%s\t%d\t%d\t",membr.mid,membr.mname,membr.department,membr.phno, membr.availibcard);
}
else
{
fprintf(fp2,"\n %d\t%s\t%s\t%d\t%d\t",membr.mid,membr.mname,membr.department,membr.phno,membr.availibcard);
}
if(feof(temp2))
break;
}
}
fclose(temp2);
fclose(fp2);
fp1=fopen("fp1.txt","w");
if((temp1=fopen("librecord.txt","r"))==NULL)
printf(" ! The file is empty...\n\n");
else
{
while(!feof(temp1))
{
fscanf(temp1,"%d %s %s %d %d", &book.bid,book.bname,book.author,&book.status,&book.nooftitles);
if(feof(temp1))
break;
if(strcmp(retbookname,book.bname)!=0)
{
fprintf(fp1,"\n%d\t%s\t%s\t%d\t%d \t",book.bid,book.bname,book.author,book.status,book.nooftitles);
}
else
{
fprintf(fp1,"\n%d\t%s\t%s\t%d\t%d\t",book.bid,book.bname,book.author,1,book.nooftitles);
}
for(i=0;i<book.nooftitles;i++)
{
fscanf(temp1,"%s",book.titles);
fprintf(fp1,"%s\t",book.titles);
}
}
}
fclose(temp1);
fclose(fp1);
fclose(librecord);
fclose(membrrecord);
printf("('') Book Successfully Returned...\n");
remove("librecord.txt");
rename("fp1.txt","librecord.txt");
remove("membrrecord.txt");
rename("fp2.txt","membrrecord.txt");
}
}
else if(!Found2)
printf("! There is no such Book...\n");
}
}
}
else if(!Found1)
printf("! Invalid User id...\n");
}
}
void Exit()
{
exit(0);
}
Output:
nn@linuxmint ~ $ gcc ll.c
nn@linuxmint ~ $ ./a.out
<<LIBRARY MANAGEMENT SYSTEM>>(Beta version )
~~MENU~~
1> Add A New Book
2> Search a book
3> Display Complete Information
4> Display All Books of An Author
5> List Titles of a Book
6> List Count of Books (Issued & On Stock)
7> To Issue a Book
8> To Rreturn a Book
9> Add A New Member
10> Exit the program
Enter your choice <1-10>: 1
Enter The uniqueid of The Book :(Integer)
100
Enter The Name of The Book :
n1
Enter The Name of Author :
a1
Enter The Number of Titles Of The Book:(Integer)
2
Enter The Titles Of The Book :
t1
t2
(' ' ) A New Book has been Added Successfully...
