#include?
#include?
#include?
?
struct?emp{
	int?id;
	char?name[50];
	struct?emp?*?next;
//	struct?emp?*?prev;
};
?
struct?emp?*?initList（）;
?
struct?emp?*?addListTailNode（struct?emp?*?head）;
?
struct?emp?*?deleteListNode（struct?emp?*?headint?id）;
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struct?emp?*?searchEmp（struct?emp?*?headint?id）;
?
int?printList（struct?emp?*?l）;
?
int?printNode（struct?emp?*?p）;
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struct?emp?*?sortList（struct?emp?*?head）;
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int?getListLen（struct?emp?*?head）;
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int?writeToDisk（struct?emp?*?head）;
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struct?emp?*?readFromDisk（）;
?
int?menu（）;
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int?usage（struct?emp?*?head）;





?
int?main（）{
	struct?emp?*?head;
	head=readFromDisk（）;
	usage（head）;
	return?0;
}
?
struct?emp?*?initList（）{
	struct?emp?*?head;
	head=（struct?emp?*）malloc（sizeof（struct?emp））;
	head->next=NULL;
	return?head;
}
?
struct?emp?*?addListTailNode（struct?emp?*?head）{??
	int?id;??
	char?name[50];???
	struct?emp?*?p?*?last??*?check;??
	last?=?head;