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提问人：网友z*****n 发布时间：2022年4月5日 20:19
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卫星定位以大地水准面为参考，只能获得参心坐标，且由于技术所限，高程和平面坐标往往是分别测量。

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十点题库官方参考答案 （由十点题库聘请的专业题库老师提供的解答）
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函数ReadDat（)的功能是实现从文件ENG98.IN中读取一篇英文文章，存入到字符串数组xx中。请编制函数e
函数ReadDat()的功能是实现从文件ENG98.IN中读取一篇英文文章，存入到字符串数组xx中。请编制函数encryChar()，按给定的替代关系对数组xx中所有字符进行替代，仍存入数组xx的对应的位置上，最后调用函数WriteDat()把结果xx输出到文件ps98.dat中。替代关系，f(p)=p*11 mod 256(p是数组xx中某一个字符的ASCII值，f(p)是计算后新字符的ASCII值)，如果计算后f(p)的值小于等于32或其ASCII值是奇数，则该字符不变，否则将f(p)所对应的字符进行替代。注意：部分源程序已给出。原始数据文件的存放格式是每行的宽度均小于80个字符。请勿改动主函数main()、读函数ReadDat()和写函数WriteDat()的内容。试题程序：include＜conio.h＞include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

替代关系，f(p)=p*11 mod 256(p是数组xx中某一个字符的ASCII值，f(p)是计算后新字符的ASCII值)，如果计算后f(p)的值小于等于32或其ASCII值是奇数，则该字符不变，否则将f(p)所对应的字符进行替代。注意：部分源程序已给出。原始数据文件的存放格式是每行的宽度均小于80个字符。请勿改动主函数main()、读函数ReadDat()和写函数WriteDat()的内容。试题程序：include＜conio.h＞include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

注意：部分源程序已给出。原始数据文件的存放格式是每行的宽度均小于80个字符。请勿改动主函数main()、读函数ReadDat()和写函数WriteDat()的内容。试题程序：include＜conio.h＞include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

原始数据文件的存放格式是每行的宽度均小于80个字符。请勿改动主函数main()、读函数ReadDat()和写函数WriteDat()的内容。试题程序：include＜conio.h＞include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

请勿改动主函数main()、读函数ReadDat()和写函数WriteDat()的内容。试题程序：include＜conio.h＞include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

试题程序：include＜conio.h＞include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

include＜conio.h＞include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

include＜stdio.h＞include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

include＜string.h＞include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

include＜ctype.h＞unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

unsigned char xx[50][80];int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

int maxline=0;int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

int ReadDat(void);void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

void WriteDat(void);void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

void encryChar(){}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

{}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

}void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

void main({clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

{clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

clrscr();if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

if(ReadDat()){printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

{printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

printf("数据文件ENG98. IN不能打开!\n\007");return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

return;}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

}encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

encryChar();WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

WriteDat();}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

}int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

int ReadDat(void){FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

{FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

FILE *fp;int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

int i=0;unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

unsigned char *p;if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

if((fp=fopen("ENG98.IN","r"))==NULL) return 1;while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

while(fgets(xx[i],80,fp)!=NULL){p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

{p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

p=strchr(xx[i],'\n');if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

if(p) *p=0;i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

i++;}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

}maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

maxline=i;fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

fclose(fp);return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

return 0;}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

}void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

void WriteDat(){FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

{FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

FILE *fp;int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

int i;fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

fp= fopen("ps98.dat","w");for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

for(i=0;i＜maxline;i++){printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

{printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

printf("%s\n",xx[i]);fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

fprintf(fp,"%s\n",xx[i]);}fclose(fp);}

}fclose(fp);}

fclose(fp);}

}
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电脑开机后，报告无系统文件，请问可能原因是（）。
A.软驱中有一张非系统盘B.C 盘上的WINDOWS 文件夹被别人破坏C.C 盘被别人格式化了或删除了系统文件D.硬盘被CIH 病毒破坏
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