[C Language] implements an address book, C language address book

[C Language] implements an address book, C language address book
Implement an address book;
The address book can be used to store information of 1000 people. The information of each person includes:
Name, gender, age, phone number, and address

Method:
1. Add contact information
2. Delete the specified contact information
3. Search for the specified contact information
4. Modify the specified contact information
5. Show All contacts

6. Clear all contacts

// Header file:

# Ifndef _ CONTACT __# define NAME_MAX 20 # define SEX_MAX 5 # define TELE_MAX 20 # define ADDR_MAX 30 # define SB_MAX 1000 # include <stdio. h> # include <string. h> typedef struct sb {char name [NAME_MAX]; char sex [SEX_MAX]; int age; char tele [TELE_MAX]; char addr [ADDR_MAX];} * sbcon; typedef struct contact {struct sb telen [SB_MAX]; int count;} * pCon; void add (pCon pcon); void dele (pCon pcon); void search (pCon p Con); void modify (pCon pcon); void show (pCon pcon); void clear (pCon pcon); # endif function functions are as follows: <pre name = "code" class = "cpp"> # include "contact. h "int find (pCon pcon, char * name) {int I = 0; while (I <pcon-> count) {if (strcmp (name, pcon-> telen [I]. name) = 0) return I; I ++;} return-1;} // add the contact void add (pCon pcon) {// determine if the phone book is full if (pcon-> count = SB_MAX) {printf ("the phone book is full \ n"); return;} else {printf ("Name: "); scanf (" % s ", (pcon-> telen [Pcon-> count]). name); printf ("Gender:"); scanf ("% s", (pcon-> telen [pcon-> count]). sex); printf ("Age:"); scanf ("% d", & (pcon-> telen [pcon-> count]). age); printf ("contact number:"); scanf ("% s", (pcon-> telen [pcon-> count]). tele); printf ("Home Address:"); scanf ("% s", (pcon-> telen [pcon-> count]). addr); pcon-> count ++ ;}// Delete the contact void dele (pCon pcon) {int ret = 0; char tname [NAME_MAX]; printf ("Enter the name to delete:"); scanf ("% s", tname); ret = find (pcon, tname); if (- 1! = Ret) {int j = ret; for (; j <pcon-> count-1; j ++) {pcon-> telen [j] = pcon-> telen [j + 1];} pcon-> count --;} elseprintf ("the person you want to delete \ n" is not found);} // find the contact void search (pCon pcon) {int ret = 0; char tname [NAME_MAX]; printf ("Enter the name to be modified:"); scanf ("% s", tname); ret = find (pcon, tname); if (-1! = Ret) {printf ("% s \ t % d \ t % s \ t \ n ", (pcon-> telen [ret]). name, (pcon-> telen [ret]). sex, (pcon-> telen [ret]). age, (pcon-> telen [ret]). tele, (pcon-> telen [ret]). addr);} elseprintf ("the person you are looking for \ n" is not found);} // modify the contact void modify (pCon pcon) {int ret = 0; char tname [NAME_MAX]; printf ("Enter the name to be modified:"); scanf ("% s", tname); ret = find (pcon, tname ); if (-1! = Ret) {printf ("name:"); scanf ("% s", (pcon-> telen [ret]). name); printf ("Gender:"); scanf ("% s", (pcon-> telen [ret]). sex); printf ("Age:"); scanf ("% d", & (pcon-> telen [ret]). age); printf ("contact number:"); scanf ("% s", (pcon-> telen [ret]). tele); printf ("Home Address:"); scanf ("% s", (pcon-> telen [ret]). addr);} elseprintf ("the person you are looking for is not found \ n");} // display void show (pCon pcon) {int I = 0; (; I <(pcon-> count); I ++) {printf ("% s \ t % d \ t % s \ t \ n", (pcon-> telen [I]). name, (pcon-> telen [I]). sex, (pcon-> telen [I]). age, (pcon-> telen [I]). tele, (pcon-> telen [I]). addr) ;}}// clear void clear (pCon pcon) {pcon-> count = 0; printf ("the phone book is empty \ n ");}

// Main function:

# Include "contact. h "void shou_menue () {printf ("********************************* \ n" ); printf ("* 1: add contact 2: Delete contact * \ n"); printf ("* 3: Find contact 4: Modify contact * \ n "); printf ("* 5: Show contacts 6: Clear contacts * \ n "); printf ("********************************* \ n ") ;} int main () {struct contact my_contact; int input = 1; my_contact.count = 0; while (input) {shou_menue (); printf ("select the operation you want :"); scanf ("% d", & input); switch (input) {case 1: add (& my_contact); break; case 2: dele (& my_contact); break; case 3: search (& my_contact); break; case 4: modify (& my_contact); break; case 5: show (& my_contact); break; case 6: clear (& my_contact); break; default: break;} return 0 ;}

The running result is as follows:

Add and display contacts:

Delete contact:

Find contacts:

Modify contact:

Clear contacts: