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while(!feof(in))
{
fread(read_char,1,1,in);
fwrite(read_char,1,1,out);
filesize++;
info[*read_char]++;
}
这样看看
while(1)
{
fread(read_char,1,1,in);
if (feof(in))
break;
fwrite(read_char,1,1,out);
filesize++;
info[*read_char]++;
}
while(!feof(in))
{
fread(read_char,1,1,in);//需要判断是不是读成功
fwrite(read_char,1,1,out);
filesize++;
info[*read_char]++;
}