大神看看我的C語(yǔ)言通訊錄查找函數(shù)。輸入電話號(hào)碼查找永遠(yuǎn)是未查找到

這段代碼沒(méi)有問(wèn)題

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你需要檢查一下鏈表的數(shù)據(jù)內(nèi)容，在調(diào)用本函數(shù)前，用輸出語(yǔ)句先遍歷一下鏈表看一下內(nèi)容吧，估計(jì)是建表有問(wèn)題，或是輸入的數(shù)據(jù)存儲(chǔ)不正確。

c語(yǔ)言問(wèn)題，我正在做一個(gè)通訊錄，這段函數(shù)是提取的，好像有問(wèn)題。

#include"stdio.h"#include"string.h"#include"stdlib.h"typedefstruct{//通訊錄結(jié)點(diǎn)類型charnum[5];//編號(hào)charname[9];//姓名charsex[3];//性別charphone[13];//電話charaddr[31];//地址}DataType;typedefstructnode{//結(jié)點(diǎn)類型定義DataTypedata;//結(jié)點(diǎn)數(shù)據(jù)域structnode*next;//結(jié)點(diǎn)指針域}ListNode;typedefListNode*LinkList;LinkListhead;ListNode*p;//函數(shù)說(shuō)明intmenu_select();LinkListCreateList(void);voidInsertNode(LinkListhead,ListNode*p);ListNode*ListFind(LinkListhead);voidDelNode(LinkListhead);voidprintList(LinkListhead);//主函數(shù)voidmain(){for(;;){switch(menu_select()){case1:printf("**********************************\n");printf("*通訊錄鏈表的建立*\n");printf("**********************************\n");head=CreateList();break;case2:printf("**********************************\n");printf("*通訊者信息的添加*\n");printf("**********************************\n");printf("編號(hào)(4)姓名(8)性別(3)電話(11)地址(31)\n");printf("*************************************\n");p=(ListNode*)malloc(sizeof(ListNode));//申請(qǐng)新結(jié)點(diǎn)scanf("%s%s%s%s%s",p-data.num,p-data.name,p-data.sex,p-data.phone,p-data.addr);InsertNode(head,p);break;case3:printf("***********************************\n");printf("*通訊錄信息的查詢*\n");printf("***********************************\n");p=ListFind(head);if(p!=NULL){printf("編號(hào)姓名性別聯(lián)系電話地址\n");printf("--------------------------------------------------\n");printf("%s,%s,%s,%s,%s\n",p-data.num,p-data.name,p-data.sex,p-data.phone,p-data.addr);printf("---------------------------------------------------\n");}elseprintf("沒(méi)有查到要查詢的通訊者！\n");break;case4:printf("***********************************\n");printf("*通訊錄信息的刪除*\n");printf("***********************************\n");DelNode(head);//刪除結(jié)點(diǎn)break;case5:printf("************************************\n");printf("*通訊錄鏈表的輸出*\n");printf("************************************\n");printList(head);break;case0:printf("\t再見(jiàn)！\n");return;}}}/*******************//*菜單選擇函數(shù)程序*//***************************/intmenu_select(){intsn;printf("通訊錄管理系統(tǒng)\n");printf("===================\n");printf("1.通訊鏈表的建立\n");printf("2.通訊者結(jié)點(diǎn)的插入\n");printf("3.通訊者結(jié)點(diǎn)的查詢\n");printf("4.通訊者結(jié)點(diǎn)的刪除\n");printf("5.通訊錄鏈表的輸出\n");printf("0.退出管理系統(tǒng)\n");printf("==========================\n");printf("請(qǐng)選擇0-5：");for(;;){scanf("%d",sn);if(sn5)printf("\n\t輸入錯(cuò)誤，重選0-5:");elsebreak;}returnsn;}/**************************//*用尾插法建立通訊錄鏈表函數(shù)*//**************************/LinkListCreateList(void){//尾插法建立帶頭結(jié)點(diǎn)的通訊錄鏈表算法LinkListhead=(ListNode*)malloc(sizeof(ListNode));//申請(qǐng)頭結(jié)點(diǎn)ListNode*p,*rear;intflag=0;//結(jié)束標(biāo)志置0rear=head;//尾指針初始指向頭結(jié)點(diǎn)while(flag==0){p=(ListNode*)malloc(sizeof(ListNode));//申新結(jié)點(diǎn)printf("編號(hào)(4)姓名(8)性別電話(11)地址(31)\n");printf("--------------------------------------------------------------------------------------\n");scanf("%s%s%s%s%s",p-data.num,p-data.name,p-data.sex,p-data.phone,p-data.addr);rear-next=p;//新結(jié)點(diǎn)連接到尾結(jié)點(diǎn)之后rear=p;//尾指針指向新結(jié)點(diǎn)printf("結(jié)束建表嗎?(1/0):");scanf("%d",flag);}rear-next=NULL;//終端結(jié)點(diǎn)指針置空returnhead;//返回鏈表頭指針}/******************************//*在通訊錄鏈表head中插入結(jié)點(diǎn)*//******************************/voidInsertNode(LinkListhead,ListNode*p){ListNode*p1,*p2;p1=head;p2=p1-next;while(p2!=NULLstrcmp(p2-data.num,p-data.num)next;//p2指向表的下一個(gè)結(jié)點(diǎn)}p1-next=p;//插入p所指向的結(jié)點(diǎn)p-next=p2;//連接表中剩余的結(jié)點(diǎn)}/******************************************//*有序通訊錄鏈表的查找*//******************************************/ListNode*ListFind(LinkListhead){//有序通訊錄鏈表上的查找ListNode*p;charnum[5];charname[9];intxz;printf("==================\n");printf("1.按編號(hào)查詢\n");printf("2.按姓名查詢\n");printf("==================\n");printf("請(qǐng)選擇：");p=head-next;//假定通訊錄表帶頭結(jié)點(diǎn)scanf("%d",xz);if(xz==1){printf("請(qǐng)輸入要查找者的編號(hào)：");scanf("%s",num);while(pstrcmp(p-data.num,num)next;if((p==NULL)||strcmp(p-data.num,num))0;p=NULL;//沒(méi)有查到要查找的通訊者}elseif(xz==2){printf("請(qǐng)輸入要查找者的姓名：");scanf("%s",name);while(pstrcmp(p-data.name,name)!=0)p=p-next;}returnp;}/*******************************//*通訊錄鏈表上的結(jié)點(diǎn)刪除*//*********************************/voidDelNode(LinkListhead){charjx;ListNode*p,*q;p=ListFind(head);//調(diào)用查找函數(shù)if(p==NULL){printf("沒(méi)有查到要?jiǎng)h除的通訊者!\n");return;}printf("真的要?jiǎng)h除該結(jié)點(diǎn)嗎？（y/n）:");scanf("%c",jx);if(jx=='y'||jx=='Y'){q=head;while((q!=NULL)(q-next!=p))q=q-next;q-next=p-next;//刪除結(jié)點(diǎn)free(p);//釋放被刪結(jié)點(diǎn)空間printf("通訊者已被刪除！\n");}}/**********************************//*通訊錄鏈表的輸出函數(shù)*//**********************************/voidprintList(LinkListhead){ListNode*p;p=head-next;printf("編號(hào)姓名性別聯(lián)系電話地址\n");printf("--------------------------------------------------------------------------------\n");while(p!=NULL){printf("%s,%s,%s,%s,%s\n",p-data.num,p-data.name,p-data.sex,p-data.phone,p-data.addr);printf("---------------------------------------------------------------------------------\n");p=p-next;//后移一個(gè)結(jié)點(diǎn)}}

用C語(yǔ)言編寫(xiě)通訊錄時(shí)用到哪些庫(kù)函數(shù)??？

"gotoxy()","moveto()"包含在#include conio.h中了.

轉(zhuǎn)載一個(gè)程序給你:(ZT)

算法：將當(dāng)前時(shí)間顯示到屏幕，當(dāng)時(shí)間發(fā)生變化時(shí)，清屏，顯示新的時(shí)間（當(dāng)有鍵盤(pán)操作時(shí)退出程序）。

顯示時(shí)間格式：小時(shí)：分鐘：秒

/* DEV C++ Win XP*/

#include stdio.h

#include stdlib.h

#include conio.h

#include time.h

typedef struct

{

int x;

int y;

}Point;

time_t now;

struct tm *pt,t1,t2;

int printpoint(Point p)

{

Point p1;

p1.x=p.x+2; p1.y=p.y+4;

gotoxy(p1.x,p1.y); printf("%c%c",2,2);

gotoxy(p1.x, p1.y+1); printf("%c%c",2,2);

p1.y+=4;

gotoxy(p1.x,p1.y); printf("%c%c",2,2);

gotoxy(p1.x,p1.y+1); printf("%c%c",2,2);

return 0;

}

int print0(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0||i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else

printf("%c%4s%c",2," ",2);

}

return 0;

}

int print1(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

printf("%5s%c"," ",2);

}

return 0;

}

int print2(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0||i==6||i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%5s%c"," ",2);

else

printf("%c",2);

}

return 0;

}

int print3(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0||i==6||i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else

printf("%5s%c"," ",2);

}

return 0;

}

int print4(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i6) printf("%c%4s%c",2," ",2);

else if(i==6)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else printf("%5s%c"," ",2);

}

return 0;

}

int print5(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0||i==6||i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%c",2);

else

printf("%5s%c"," ",2);

}

return 0;

}

int print6(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0||i==6||i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%c",2);

else

printf("%c%4s%c",2," ",2);

}

return 0;

}

int print7(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0) printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else printf("%5s%c"," ",2);

}

return 0;

}

int print8(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0||i==6||i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else printf("%c%4s%c",2," ",2);

}

return 0;

}

int print9(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0||i==6||i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%c%4s%c",2," ",2);

else

printf("%5s%c"," ",2);

}

return 0;

}

int clear(Point p)

{

int i=0;

for(;i13;i++)

gotoxy(p.x,p.y+i); printf("%16s"," ");

return 0;

}

int printtime(Point p, int n)

{

int a,b;

Point pp;

a=n/10, b=n%10;

pp.x=p.x+8, pp.y=p.y;

switch(a)

{

case 0: print0(p); break;

case 1: print1(p); break;

case 2: print2(p); break;

case 3: print3(p); break;

case 4: print4(p); break;

case 5: print5(p); break;

}

switch(b)

{

case 0: print0(pp); break;

case 1: print1(pp); break;

case 2: print2(pp); break;

case 3: print3(pp); break;

case 4: print4(pp); break;

case 5: print5(pp); break;

case 6: print6(pp); break;

case 7: print7(pp); break;

case 8: print8(pp); break;

case 9: print9(pp); break;

}

return 0;

}

int main()

{

Point phour, pmin, psec,point1,point2;

phour.x=9, pmin.x=32, psec.x=55;

phour.y=pmin.y=psec.y=7;

point1.x=25, point2.x=49;

point1.y=point2.y=7;

clrscr();

textbackground(BLUE);

textcolor(YELLOW);

now=time(0);

pt=localtime(now);

t1=*pt;

printtime(phour, t1.tm_hour);

printpoint(point1);

printtime(pmin, t1.tm_min);

printpoint(point2);

printtime(psec, t1.tm_sec);

while(1)

{

now=time(0);

pt=localtime(now);

t2=*pt;

if(t2.tm_sec!=t1.tm_sec)

{

t1=t2;

clrscr();

printtime(phour, t1.tm_hour);

printpoint(point1);

printtime(pmin, t1.tm_min);

printpoint(point2);

printtime(psec, t1.tm_sec);

}

if(bioskey(1)==0) continue;

else exit(0);

}

return 0;

}