Contoh Program Stack Memakai Array

#include "stdio.h"
void main()
{
int stack[100];
int top=-1;
int pilih, i;
do
{
printf("MENU\n");
printf("1. PUSH\n2. POP\n3. VIEW\n4. EXIT\n");
printf("Pilih = "); scanf("%d", &pilih);
switch(pilih)
{
case 1://push
if (top > 100)
printf("Stack penuh!\n");
else
{    printf("Data = "); scanf("%d", &stack[top+1]);
top++;
}
break;
case 2://pop
if (top < 0)
printf("Stack kosong!\n");
else
{
printf("Data keluar = %d\n", stack[top]);
top--;
}
break;
case 3://view
for(i=top; i>=0; i--)
printf("%d ", stack[i]);
printf("\n");
break;
case 4:
printf("Exit...\n");
break;
}
}while (pilih!=4);
}