C-Language linked list write address Book

/*    implements an address book that can be used to store 1000 people's information, including: Name, gender, age, phone, Address Provision method: 1. Add contact information 2. Delete the specified contact information 3. Find the specified contact information 4. Modify the specified contact information 5. Display all contact information 6. Clear all contacts   */#include <stdio.h># Include "Phone_book.h" #include <string.h> #include <assert.h>typedef struct phone_book{char  name[10];char sex[5];char addr[20];int year;int phone_num;struct phone_book  *pnext;} Book,*pbook;pbook add_linkman (pbook head) {int i = 0;char name[10];char sex[ 5];char addr[20];int year;long phone_num;pbook pbase = head;assert (head); flag: printf ("How many contacts do you want to add:"); scanf ("%d", &i);if  (i <= 0) {printf ("Wrong number of inputs!") \ n "); goto flag;} if  (head->pnext == null) {while  (i--) {pbook pnew =  (pBook) malloc (sizeof ( book), assert (Pnew);p rintf ("Enter contact information: (Name, gender, address, age, phone number) \ n"), scanf ("%s",  name); scanf ("%s",  sex); scanf ("%s",  addr); strcpy (pnew->name, name); strcpy (Pnew->sex, sex); strcpy (PNEW-&GT;ADDR,&NBSP;ADDR); scanf ("%d",  &pnew->year); scanf ("%d" ,  &pnew->phone_num);p base->pnext = pnew;pnew->pnext = null;pbase =  pnew;}} else{while  (pbase->pnext != null) {pbase = pbase->pnext;} while  (i--) {pbook pnew =  (pbook) malloc (sizeof), assert (Pnew);p rintf (Enter contact information: (Name, Gender, Address, age, phone number) \ n "), scanf ("%s ",  name), scanf ("%s ",  sex), scanf ("%s ",  addr); strcpy (Pnew->name,  name); strcpy (pnew->sex, sex); strcpy (PNEW-&GT;ADDR,&NBSP;ADDR); scanf ("%d", &pnew-> year); scanf ("%d",  &pnew->phone_num);p base->pnext = pnew;pnew->pnext =  NULL;}} Return head;} Pbook remove_linkman (Pbook head) {pbook link_man = head;char name[10];if  (! Head) {printf ("No contacts, can't delete!") \ n "); return null;} printf ("which contact would you like to delete?")    "); scanf ("%s ", name);while  (link_Man->pnext!=null) {if  (strcmp (link_man->pnext->name, name)  == 0) {if  (link_ Man->pnext->pnext == null) {free (link_man->pnext); link_man->pnext = null;printf ("Delete done! \ n ");} Else{pbook ptmp = null;ptmp = link_man->pnext;link_man->pnext = link_ Man->pnext->pnext;free (ptmp);p rintf ("Delete done! \ n ");} Return head;} Else{link_man = link_man->pnext;}} printf ("The contact was not found!") \ n "); return head;} Void traver_linkman (Pbook head) {pbook link_man = head;if  (head->pNext ==  null) {printf ("Phone book is empty! \ n ");} while  (link_man->pnext!=null) {printf ("%s\n",  link_man->pnext->name);p rintf ("%s\n",  Link_man->pnext->sex);p rintf ("%s\n",  link_man->pnext->addr);p rintf ("%d\n", link_man-> Pnext->year);p rintf ("%ld\n",  link_man->pnext->phone_num);p rintf ("******************************* \ n "); Link_man = liNk_man->pnext;}} Void empty_linkman (pbook head) {Pbook ptmp = null;pbook link_man = head ;if  (head->pnext == null) {printf ("Phone book is empty! Don't empty it! (ˇ0ˇ)  \n ");} while  (link_man->pnext != null) {if  (link_man->pnext->pnext == null) { Free (link_man->pnext); link_man->pnext = null;} Else{ptmp = link_man->pnext;link_man->pnext = link_man->pnext->pnext;free (ptmp );}} printf ("Empty finished!" \ n ");} Pbook amend_linkman (Pbook head) { char name[10];char sex[5];char addr[20];p book  link_man = head;if  (!head) {printf ("No contacts, cannot be modified!") \ n "); return null;} printf ("Would you like to change which contact?")    scanf ("%s",  name);while  (link_man->pnext != null) {if  (strcmp (link_ Man->pnext->name, name) { == 0) {printf ("Enter contact information: (Name, gender, address, age, phone number) \ n"), scanf ("%s",  name); scanf ("%s",  sex); scanf ("%s",  addr); Strcpy (Link_man->pnext->name, name); strcpy (link_man->pnext->sex, sex); strcpy (link_man-> PNEXT-&GT;ADDR,&NBSP;ADDR); scanf ("%d",  &link_man->pnext->year); scanf ("%d",  &link_man- >pnext->phone_num); return head;} Elselink_man = link_man->pnext;} Return head;} Void search_linkman (Pbook head) {char name[10];p book link_man = head;if  (! Head) {printf ("No contacts, find failed!") \ n "); return null;} printf ("which contact are you looking for?")    scanf ("%s",  name);while  (link_man->pnext != null) {if  (strcmp (link_ Man->pnext->name, name) { == 0) {printf ("%s\n",  link_man->pnext->name);p rintf ("%s \ n ",  link_man->pnext->sex);p rintf ("%s\n ",  link_man->pnext->addr);p rintf ("%d\n ",  Link_man->pnext->year);p rintf ("%ld\n",  link_man->pnext->phone_num);p rintf ("****************** \ n "); return 0;} Elselink_man = lInk_man->pnext;} printf ("No find! \ n ");} Void start (pbook *phead) {Int i = -1;assert (Phead);while  (1) {printf ("Welcome to the phone book system!") Select your action: \ n ");p rintf (" *********************************************\n "   " * * ". Add contact information       2. Delete the specified contact information   *\n "   ". Find the specified contact information  4. Modify the specified contact information    *\n "   ". Show all contact information  6. Clear all Contacts       *\n "     "*0. End System!   ———— CIA-specific ————     *\n "                 "*********************************************\n"); scanf ("%d", &i); switch   (i) {case 0:printf ("* * * * * Thank you for using the System!*****\n"); exit (0); Case 1:*phead=add_linkman ( phead); break ; Case 2:*phead = remove_linkman (Phead); Break;case 3: search_linkman (phead); break;case  4:*phead = amend_linkman (Phead); Break;case 5:traver_linkman (Phead);Break;case 6:empty_linkman ( phead); break;default:printf ("Wrong choice!") Please re-select \ n "); #include <stdio.h> #include "phone_book.h" Int main () { pbook phead = null;start ( &phead); return 0;}

C-Language linked list write address Book