Question

怎么用fread读文件夹里int类型的数字

Answer 1

#include<stdio.h>
void main() { FILE *fp; int x; char fnm[]={"D:\\data.bin"};
if ( fp=fopen(fnm,"rb") ) {
fread(&x,1,sizeof(int),fp);
fclose(fp);
} else printf("无法打开文件读取数据。\n");
printf("%d\n",x);
}