#include #include #include #define MAXS 20

int front = 0,rear= -1,top=-1; struct Node{ char car[20]; struct Node *ptr; int n; };

struct stack1{ char soldCar[20]; };

struct stack1 sold[20];

struct Node *insCar(struct Node *head){ struct Node *NewNode; struct Node *temp; temp = head;

NewNode = (struct Node*)malloc(sizeof(struct Node)); if(NewNode == NULL){ printf("Sorry Malloc didn't work. "); }

printf("Araba Markalari Giriniz : "); scanf("%s",(NewNode->car));

printf("How many cars do you have? : ",NewNode->car); scanf("%d",&(NewNode->n)); printf(" ");

NewNode->ptr = NULL; if(temp == NULL){ head = NewNode; }else{ while(temp->ptr != NULL) temp = temp->ptr; temp->ptr = NewNode; }

return head;

} void push(char c[]){ strcpy(sold[++top].soldCar,c); }

void Buy(struct Node *head){ printf(" "); printf("Musteri %d : ",top+2); printf("Which car do you want to buy? : "); char costumerCar[20]; scanf("%s",costumerCar); struct Node *temp; temp = head; while(strcmp(temp->car,costumerCar)){ temp = temp->ptr; if(temp == NULL){ break; } } if(temp == NULL){ printf("The car brand you entered is not available. "); Buy(head);

}else{ if(temp->n == 0){ printf("Sorry, the car you want is out of stock. "); Buy(head); } else{ (temp->n)--; push(costumerCar);

} }

}

void display(struct Node *head){ struct Node *temp; temp = head; printf(" ");

while(temp != NULL){ printf("Araba : %s | Miktar : %d ", temp->car,temp->n); temp = temp->ptr; } } int main(){ struct Node *Head; Head = NULL; printf("********************************** \tWelcome to the Car Gallery **********************************"); int b,i; printf(" How many car brands do you want to add? : "); scanf("%d",&b); printf(" "); for(i=0;i Head = insCar(Head); } printf(" "); printf("Kac musteri? : "); int c; scanf("%d",&c); printf(" "); for(i=0;i Buy(Head); }

display(Head); printf(" Last sold car: %s ",sold[top].soldCar); }

C is the programming language. Can you explain what the code means line by line? What are the functions of each code?