gets(temp);data.score[2]=atof(temp);

data.score[3]=data.score[0]+data.score[1]+data.score[2];

} fwrite(&data,sizeof(data),1,fp1); }

fseek(fp,0L,0); /*将位置指针移到离头文件0个字节处*/ fseek(fp1,0L,0);

while((fread(&data,sizeof(data),1,fp1))==1) {

fwrite(&data,sizeof(data),1,fp); }

fclose(fp); fclose(fp1); }

void chazhao() {

if((fp=fopen("s_score.txt","rb"))==NULL) {

printf("\nCannot open this file.\n"); exit(0); }

printf("\nPLease shuru xuehao chakan:"); scanf("%d",&i);

while(fread(&data,sizeof(data),1,fp)==1) {

j=atoi(data.xuehao); if(i==j) {

printf("xuehao:%s mingzi:%s\n nianling:%s\n shuxue:%f\n yingyu:%f\n wuli:%f\n zongfen:%f\n",data.xuehao,data.mingzi,data.nianling,data.score[0],data.score[1],data.score[2],data.score[3]); }getch(); } }

void shanchu() {

if((fp=fopen("s_score.txt","rb+"))==NULL||(fp1=fopen("temp.txt","wb+"))==NULL) {

printf("\nopen score.txt was failed!"); getch(); exit(0);