C language defines structure pointer-EEWORLD

Collect

int main()

{
typedef struct
{
u8 KeyCurrentIndex; //Current state index number
u8 KeyEnterState; //The
index number to which the state will be redirected when the [enter] key is pressed u8 KeyCancelState; //The index number to which the state will be redirected when the [cancel] key is pressed
u8 KeyUpState; //The index number to which the state will be redirected when the [up] key is pressed
u8 KeyDownState; //The index number to which the state will be redirected when the [down] key is pressed
void (*CurrentOperate)(); //Function operations to be performed in the current state
}KbdTabStruct;

const KbdTabStruct KBD[]=
{
{0,1,2,3,4,(*main)},
{6,7,8,9,10,11},
{0,1,2,3,4,5},
{0,1,2,3,4,5},
};
const KbdTabStruct KBD1=
{

20,27,38,39,40,51,

};
KbdTabStruct *ptr=&KBD[1];//Define a pointer variable ptr pointing to a structure and assign an initial value of KBD
KbdTabStruct *pr=&KBD1;//Define a pointer variable pr pointing to a structure and assign an initial value of KBD1

printf("%d ",KBD[0].KeyEnterState);//应是1
printf("%d ",KBD[1].KeyCurrentIndex);//6
printf("%d ",KBD[1].KeyDownState);//10
    printf("%d ",ptr->KeyDownState);//10
    printf("%d ",(*ptr).KeyDownState);//10
   printf("%d ",(*pr).KeyDownState);//40
}

Reference address：C language defines structure pointer

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