C語言：fopen_s複製文件

 將一個文件從from.txt複製到to.txt

/*將文件from.txt的內容複製一份到to.txt*/
void chapter1::testCopyFile()
{
	printf_s("複製文件測試開始\r\n");
	FILE *f, *ft;
	int r = fopen_s(&f,"D:\\000testprocess\\c_lesson\\Debug\\from.txt","rb");
	r = fopen_s(&ft,"D:\\000testprocess\\c_lesson\\Debug\\to.txt", "wb");
	char temp = fgetc(f);
	while (!(feof(f)))
	{
		fputc(temp,ft);
		temp = fgetc(f);
	}
	fclose(f);
	fclose(ft);
	printf_s("複製文件測試結束\r\n");
}