一个文件复制到另一个文件

int main()
{
    FILE *fp=fopen("/Users/apple/Desktop/link2.c","r");
    FILE *fp1=fopen("/Users/apple/Desktop/link3.c","w");
    char ch[]={};
    if (fp!=NULL)
    {
            while(!feof(fp))
            {
                fread(ch, 1,1,fp);
                fwrite(ch,1,1,fp1); 
             }
                fclose(fp1);
                fclose(fp);
    }
    else
                printf("cannot open file\n");
                return 0;
}