计算文件大小（C/C++语言）

 #include <stdio.h>

 int main()
 {
     FILE* fp;
     if (fp = fopen("read files.exe", "r"))
     {
         fseek(fp, ,  SEEK_END);//SEEK_END ：end of file
         printf("%.1f KB\n", .*ftell(fp)/);
         fclose(fp);
     }
     return ;
 }