gistfile1.c

#include<stdio.h>
#define STACKSIZE 5

struct stack
{
    float data[STACKSIZE];
    int sp;
};

struct stack sta={{0},-1};

//push method
void push(float n)
{
    sta.data[++sta.sp]=n;
}

//pop method
float pop()
{  
    return sta.data[sta.sp--];
}

//top method
float top()
{
    return sta.data[sta.sp];
}

//full method
int full()
{
    return (sta.sp==STACKSIZE-1);
}

//empty method
int empty()
{
    return (sta.sp==-1);
}

int main()
{
    int x;
    float temp;
    for (x=0; x<STACKSIZE; x++)
    {
        printf("Enter float to be stored in the stack: ");
        scanf("%f", &temp);
        push(temp);
    }

    while(!empty())
        printf("%f\n",pop());

    return 0;
}