单片机c语言中菜单系统源码分析

int main()
{
typedef struct 
{
  u8 KeyCurrentIndex;//当前状态索引号
  u8 KeyEnterState;//按下【enter】键时转向的索引号
  u8 KeyCancelState;//按下【cancel】键时转向的索引号
  u8 KeyUpState;//按下【up】键时转向的索引号
  u8 KeyDownState;//按下【down】键时转向的索引号
  void (*CurrentOperate)(); //当前状态下执行的功能操作
}KbdTabStruct;

const KbdTabStruct  KBD[]=
{
 {0,1,2,3,4,(*main)},
 {6,7,8,9,10,(*main)},
 {0,1,2,3,4,,(*main)},
 {0,1,2,3,4,(*main)},
};
 printf("%d ",KBD[0].KeyCurrentIndex);
 printf("%d ",KBD[0].KeyEnterState);
 printf("%d ",KBD[0].KeyCancelState);
 printf("%d ",KBD[0].KeyUpState);
 printf("%d ",KBD[0].KeyDownState);
 printf("%d ",KBD[1].KeyCurrentIndex);
 printf("%d ",KBD[1].KeyEnterState);
 printf("%d ",KBD[1].KeyCancelState);
 printf("%d ",KBD[1].KeyUpState);
 printf("%d ",KBD[1].KeyDownState);
    printf("%5s ",KBD[0].CurrentOperate);

 }