链表读取存储.doc

#include#include#include#includestruct kang char a20; char b20; char c20; char d50; struct kang *next;void zhang() printf(); printf(); printf(); printf();struct kang* creat1(struct kang *p1) char a; struct kang *q; struct kang *p; q=p1; if(p1!=NULL) while(p1-next!=NULL) p1=p1-next; printf(是否输入?(y or n)n); scanf(%c,&a); while(a=y|a=Y) p=(struct kang *)malloc(sizeof(struct kang); printf(请输入:n); scanf(%s,p-a); printf(请输入:n); scanf(%s,p-b); printf(请输入:n); scanf(%s,p-c); printf(请输入:n); scanf(%s,p-d); p-next=NULL; if(p1=NULL) p1=p; q=p; else p1-next=p; p1=p1-next; getchar(); printf(是否输入?(y or n)n); scanf(%c,&a); return q;void save(struct kang *p) FILE *fp; if(fp=fopen(kang.txt,w)=NULL) printf(文件创建失败!n); return; while(p!=NULL) fprintf(fp,%s %s %s %s ,p-a,p-b,p-c,p-d); p=p-next; fclose(fp);struct kang *open()struct kang *pHead=NULL;struct kang *p=NULL;struct kang *temp=NULL;FILE *pfile=NULL;pfile=fopen(kang.txt,r);int i=0;while(1)/创建一个节点temp=new struct kang;int flag=fscanf(pfile,%s %s %s %s,temp-a,temp-b,temp-c,temp-d);i+;/文件读取结束则返回 pHead *注意 不用if(feof(pfile)if(flag=0)|(flag=-1)printf(Read student from is secced!n);return pHead;if(i=1)return NULL;temp-next=NULL;/假如是第一个节点if(p=NULL)p=temp;pHead=temp;printf(pHead is finished!n);/假如是第二个节点以上elsep-next=temp;p=p-next;p-next=NULL;fclose(pfile);void print(struct kang *p) while(p!=NULL) printf(%s,%s,%s,%sn,p-a,p-b,p-c,p-d); p=p-next; void main() stru