#define STACK_OVERFLOW -100
#define STACK_UNDERFLOW -101
#define STACKSIZE 10

#include <stdio.h>
#include <stdlib.h>

struct Stack {
    float Array[STACKSIZE];
    int size;
};

void push(Stack *stack, float value);
void printStackValue(int value);
void printStack(const Stack *stack);


int main()
{
    Stack Stack;
    Stack.size = 0;
    push(&Stack, 3);
    push(&Stack, 5);
    push(&Stack, 7);
    printStack(&Stack);
    return 0;
}

void printStackValue(int value) {
    printf("%d", value);
}

void printStack(const Stack *stack) {
    int i;
    int len = stack->size - 1;
    printf("stack size = %d > \n", stack->size);
    for (i = 0; i < len; i++) {
        printStackValue(stack->Array[i]);
        printf(" | ");
    }
    if (stack->size != 0) {
        printStackValue(stack->Array[i]);
    }
    printf("\n");
}

void push(Stack *stack, float value)
{
    if (stack->size >= STACKSIZE)
        exit(STACK_OVERFLOW);
    stack->Array[stack->size] = value;
    stack->size++;
}