Header_pokazivac

#include <cstring>
using namespace std;

struct tdatum{
    int d,m,g;
};
struct tpodaci{
    string sifra;
    char vrsta[16];
    char model[16];
    tdatum datum;
    char boja[16];
    float cijena;
};
struct st{
    tpodaci podaci;
    st *next;
};

typedef st *stack;

stack stog=new st;
stack pomocni=new st;

void InitS(stack S){
    S->next=NULL;
}
bool IsEmptyS(stack S){
    if(S==NULL)
        return 1;
    else
        return 0;
}
tpodaci TopS(stack S){
    if(IsEmptyS(S)==0)
        return S->podaci;
}
void PushS(tpodaci x, stack S){
    st *temp;
    temp=S;
    S=new st;
    S->podaci=x;
    S->next=temp;
}
void PopS(stack S){
    st *temp;
    temp=S;
    S=S->next;
    delete temp;
}