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#include

#include

#include

#define LEN sizeof(struct bookl)

struct bookl

{

long num;

char?? name[20];

float price;

char people[20];

char??? prass[20];

int?? yes;

struct bookl *next;

};

void main()??? /*圖書查詢*/

{

struct bookl *bookment;

bookment=(struct bookl *)malloc(LEN);

char name[20];

int i;

FILE *fp;

printf("請輸入書名：\n");

scanf("%s",name);

printf("\n");

fp=fopen("E:\\課程設計\\met.txt","r");

if(fp==NULL)

{

printf("error\n");

return ;

}

else

{

while(!feof(fp))

{

printf("編號??? 書名??? 價格???? 出版社??? 借閱人?? 是否借出 \n ");

fread(&bookment->num,sizeof(int),1,fp);

fread(bookment->name,20,1,fp);

fread(bookment->prass,20,1,fp);

fread(bookment->people,20,1,fp);

fread(&bookment->price,sizeof(float),1,fp);

fread(&bookment->yes,sizeof(int),1,fp);

if(strcmp(bookment->name,name)==0)

{

printf("%-6ld%8s",bookment->num,bookment->name);

printf("%8f%8s",bookment->price,bookment->prass);

printf("%8s%6d",bookment->people,bookment->yes);

}

else

printf("查無此書，請重新選擇!\n");

fclose(fp);

}

}

總結

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