Stack by c without pointer

stack.c

#include <stdio.h>
#define max 10
int i=0;
int array[max];
void printInstruction()
{
    printf("Press 1 for push\nPress 2 for pop\nPress 3 for display full list\nPress 4 for display top\nPress ctrl+z for exit\n");
}

void push(int element)
{
    if (i==max){
        printf("There are no space in the array\n");
        return;
    }
    array[i]=element;
    i++;
}
int pop()
{
    if (i==0)
    {
        printf("The stack is empty\n");
        return;
    }
    int j;
    j=array[--i];
    return j;

}
void display_list()
{
    if (i==0)
    {
        printf("NOthing to display \n");
        return ;
    }
    int loop;
    printf("The list is : ");
    for (loop=--i;loop>=0;loop--)
        printf("%d ",array[loop]);
    printf("\n");
    i++;
}

int display_last_entry()
{
    int j=array[--i];
    i++;
    return j;
}
int main()
{
    int j;
    printf("You can enter 10 data in stack \n\n");
    printInstruction();
    int choise;
    int element;
    while(scanf("%d",&choise)==1)
    {
        system("cls");
        if (choise==1)
        {

        printf("Enter the number for push : ");
        scanf("%d",&j);
        system("cls");
        push(j);
        }
        else if (choise==2)
        {
            system("cls");
           printf("%d is poped\n",pop());
        }
        else if (choise==3)
        {
            system("cls");
            display_list();

        }
        else if (choise==4)
        {
            system("cls");
            printf("The last element is %d\n",display_last_entry());
        }
        printInstruction();
    }
}