fprintf函数将格式打印到文件，非常好用（怎么没早点发现这个函数）

/* fprintf example */
#include <stdio.h>

int main ()
{
   FILE * pFile;
   int n;
   char name [];

   pFile = fopen ("myfile.txt","w");
   for (n= ; n< ; n++)
   {
     puts ("please, enter a name: ");
     gets (name);
     fprintf (pFile, "Name %d [%-10.10s]\n",n+,name);
   }
   fclose (pFile);

   return ;
}

打印所有字符的GBK编码：

http://www.cnblogs.com/findumars/p/5557239.html