Phone Book Management System In C With Source Code

The Phone Book Management System project is developed in the C programming language. It allows you to perform simple phonebook operations like on your mobile.

You can add, list, modify, search, and delete phonebook records. The Phone Book System in C is a console application without graphics.

File handling and data structure concepts have been extensively used for almost all functions in this mini-project.

This Phone Book Application In C also includes a downloadable Phone Book C Source Code for free, just find the downloadable source code below and click to start downloading.

To start creating a Phone Book System In C, make sure that you have code blocks or any platform of C language installed on your computer.

Steps on how to create a Phone Book Management System project In C With Source Code

Complete Source Code

#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
#include<windows.h>
struct person
{
    char name[35];
    char address[50];
     char father_name[35];
     char mother_name[30];
    long int mble_no;
    char sex[8];
    char mail[100];
    char citision_no[20];

    };
void menu();
void got();
void start();
void back();
void addrecord();
void listrecord();
void modifyrecord();
void deleterecord();
void searchrecord();
int main()
{
    system("color 8f");
    start();
    return 0;
}
void back()
{
    start();
}
void start()
{
    menu();
}
void menu()
{
    system("cls");
printf("\t\t**********WELCOME TO PHONEBOOK*************");

printf("\n\n\t\t\t  MENU\t\t\n\n");
printf("\t1.Add New   \t2.List   \t3.Exit  \n\t4.Modify \t5.Search\t6.Delete");

switch(getch())
{
    case '1':

                addrecord();
    break;
   case '2': listrecord();
    break;
    case '3': exit(0);
    break;
    case '4': modifyrecord();
    break;
    case '5': searchrecord();
    break;
    case '6': deleterecord();
    break;
    default:
                system("cls");
                printf("\nEnter 1 to 6 only");
                printf("\n Enter any key");
                getch();

menu();
}
}
        void addrecord()
{
        system("cls");
        FILE *f;
        struct person p;
        f=fopen("project","ab+");
        printf("\n Enter name: ");
        got(p.name);
        printf("\nEnter the address: ");
        got(p.address);
        printf("\nEnter father name: ");
        got(p.father_name);
        printf("\nEnter mother name: ");
        got(p.mother_name);
        printf("\nEnter phone no.:");
        scanf("%ld",&p.mble_no);
        printf("Enter sex:");
        got(p.sex);
        printf("\nEnter e-mail:");
         got(p.mail);
        printf("\nEnter citizen no:");
        got(p.citision_no);
        fwrite(&p,sizeof(p),1,f);

      fflush(stdin);
        printf("\nrecord saved");

fclose(f);

    printf("\n\nEnter any key");

	 getch();
    system("cls");
    menu();
}
void listrecord()
{
    struct person p;
    FILE *f;
f=fopen("project","rb");
if(f==NULL)
{
printf("\nfile opening error in listing :");

exit(1);
}
while(fread(&p,sizeof(p),1,f)==1)
{
     printf("\n\n\n YOUR RECORD IS\n\n ");
        printf("\nName=%s\nAdress=%s\nFather name=%s\nMother name=%s\nMobile no=%ld\nSex=%s\nE-mail=%s\nCitizen no=%s",p.name,p.address,p.father_name,p.mother_name,p.mble_no,p.sex,p.mail,p.citision_no);

	 getch();
	 system("cls");
}
fclose(f);
 printf("\n Enter any key");
 getch();
    system("cls");
menu();
}
void searchrecord()
{
    struct person p;
FILE *f;
char name[100];

f=fopen("project","rb");
if(f==NULL)
{
    printf("\n error in opening\a\a\a\a");
    exit(1);

}
printf("\nEnter name of person to search\n");
got(name);
while(fread(&p,sizeof(p),1,f)==1)
{
    if(strcmp(p.name,name)==0)
    {
        printf("\n\tDetail Information About %s",name);
        printf("\nName:%s\naddress:%s\nFather name:%s\nMother name:%s\nMobile no:%ld\nsex:%s\nE-mail:%s\nCitision no:%s",p.name,p.address,p.father_name,p.mother_name,p.mble_no,p.sex,p.mail,p.citision_no);
    }
        else
        printf("file not found");

}
 fclose(f);
  printf("\n Enter any key");

	 getch();
    system("cls");
menu();
}
void deleterecord()
{
    struct person p;
    FILE *f,*ft;
	int flag;
	char name[100];
	f=fopen("project","rb");
	if(f==NULL)
		{

			printf("CONTACT'S DATA NOT ADDED YET.");

		}
	else
	{
		ft=fopen("temp","wb+");
		if(ft==NULL)

            printf("file opaning error");
		else

        {


		printf("Enter CONTACT'S NAME:");
		got(name);

		fflush(stdin);
		while(fread(&p,sizeof(p),1,f)==1)
		{
			if(strcmp(p.name,name)!=0)
				fwrite(&p,sizeof(p),1,ft);
			if(strcmp(p.name,name)==0)
                flag=1;
		}
	fclose(f);
	fclose(ft);
	if(flag!=1)
	{
		printf("NO CONACT'S RECORD TO DELETE.");
		remove("temp.txt");
	}
		else
		{
			remove("project");
			rename("temp.txt","project");
			printf("RECORD DELETED SUCCESSFULLY.");

		}
	}
}
 printf("\n Enter any key");

	 getch();
    system("cls");
menu();
}

void modifyrecord()
{
    int c;
    FILE *f;
    int flag=0;
    struct person p,s;
	char  name[50];
	f=fopen("project","rb+");
	if(f==NULL)
		{

			printf("CONTACT'S DATA NOT ADDED YET.");
			exit(1);


		}
	else
	{
	    system("cls");
		printf("\nEnter CONTACT'S NAME TO MODIFY:\n");
            got(name);
            while(fread(&p,sizeof(p),1,f)==1)
            {
                if(strcmp(name,p.name)==0)
                {



                    printf("\n Enter name:");
                    got(s.name);
                    printf("\nEnter the address:");
                    got(s.address);
                    printf("\nEnter father name:");
                    got(s.father_name);
                    printf("\nEnter mother name:");
                    got(s.mother_name);
                    printf("\nEnter phone no:");
                    scanf("%ld",&s.mble_no);
                    printf("\nEnter sex:");
                    got(s.sex);
                    printf("\nEnter e-mail:");
                    got(s.mail);
                    printf("\nEnter citizen no\n");
                    got(s.citision_no);
                    fseek(f,-sizeof(p),SEEK_CUR);
                    fwrite(&s,sizeof(p),1,f);
                    flag=1;
                    break;



                }
                fflush(stdin);


            }
            if(flag==1)
            {
                printf("\n your data id modified");

            }
            else
            {
                    printf(" \n data is not found");

            }
            fclose(f);
	}
	 printf("\n Enter any key");
	 getch();
    system("cls");
	menu();

}
void got(char *name)
{

   int i=0,j;
    char c,ch;
    do
    {
        c=getch();
                if(c!=8&&c!=13)
                {
                    *(name+i)=c;
                        putch(c);
                        i++;
                }
                if(c==8)
                {
                    if(i>0)
                    {
                        i--;
                    }
                   // printf("h");
                    system("cls");
                    for(j=0;j<i;j++)
                    {
                        ch=*(name+j);
                        putch(ch);

                    }

                }
    }while(c!=13);
      *(name+i)='\0';
}

Downloadable Source Code

Summary

The whole project is designed in ‘C’ language and different variables and strings have been used for the development of this project.

This mini project is easy to operate and understand by the users.

This simple project can enhance the knowledge of the beginners or the students to develop their skills in programming, also this project is easy to understand the module and its variables.

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Inquiries

If you have any questions or suggestions about the Phone Book Management System In C, please feel free to leave a comment below.

Angel Jude Suarez

Full-Stack Developer at PIES IT Solution

Focuses on Python development, machine learning, and AI integration. Has built production AI systems including OpenAI Whisper integration for medical transcription and GPT-4o-powered diagnosis assistance. Strong background in pandas, scikit-learn, and TensorFlow.

Expertise: Python · PHP · Java · VB.NET · ASP.NET · Machine Learning · AI Integration · OpenCV · Django · CodeIgniter  · View all posts by Angel Jude Suarez →