typedef struct
{
	unsigned long num;
	char name[20];
	char sex;
	unsigned char age;
	unsigned long salary;
}WORKERTYPE;

/*/////////////按各種方式排序的函數(shù)////////////*/

/*按職工號*/
int sort_num(WORKERTYPE *n,WORKERTYPE *m)
{
	if((n->num)==(m->num))
		return 0;
	else 
		return (((n->num)>(m->num))?1:-1);
}

/*按姓名*/
int sort_name(WORKERTYPE *n,WORKERTYPE *m)
{
	return strcmp(n->name,m->name);
}

/*按性別*/
int sort_sex(WORKERTYPE *n,WORKERTYPE *m)
{
	if((n->sex)==(m->sex))
		return 0;
	else 
		return(((n->sex)>(m->sex))?1:-1);
}

/*按年齡*/
int sort_age(WORKERTYPE *n,WORKERTYPE *m)
{
	if((n->age)==(m->age))
		return 0;
	else 
		return((n->age)>(m->age)?1:-1);
}

/*按薪水*/
int sort_salary(WORKERTYPE *n,WORKERTYPE *m)
{
	if((n->salary)==(m->salary))
		return 0;
	else 
		return (((n->salary)>(m->salary))?1:-1);
}
/*///////////////////////////////////////////////*/

/*排序方式掛接數(shù)組*/
int (*p_way[5])(WORKERTYPE *n,WORKERTYPE *m)=
{sort_num,sort_name,sort_sex,sort_age,sort_salary};