fp=fopen(p,
来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/10/03 02:46:06
fp=fopen(p,
打开文件名为filename的文件,根据fopen的返回值(fp),判断该文件是否打开 比如说if((fp=fopen(filename,"wb"))==NULL){fprintf(stderr,"Error opening file.");exit(1);}该段语句的意思是:打开文件名为filename的文件,根据fopen的返回值(fp),判断该文件是否打开,如果没有打开,则打印"Error opening file"信息,然后退出程序,如果正确打开,则跳过这里,执行后面的语句,
fp=fopen(p,
fp=fopen("DATA_KEHU",
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代码if((fp=fopen(filename,"r"))==NULL) { fprintf(stderr,"Error