// Written by Hammond Pearce
#include <stdio.h>

struct pizza_t {
    char size[10];
    int price_cents;
};

struct pizza_t pizza_options[3] = {
    {"small", 300},
    {"medium", 550},
    {"large", 800}
};

void print_pizza_t(struct pizza_t *pizza);
void increase_price(struct pizza_t *pizza, int increase_cents);

int main(void) {
    struct pizza_t *tmp;
    int i;
    printf("The available pizza options are:\n");
loop_init:
    i = 0;
loop_cond:
    if (i >= 3) goto loop_end;
loop_body:
        tmp = &pizza_options[i];
        increase_price(tmp, 100);
        print_pizza_t(tmp);
loop_step:
        i++;
loop_end:
    return 0;
}

void print_pizza_t(struct pizza_t *pizza) {
    printf("%s", pizza->size);
    putchar('-');
    printf("%d\n", pizza->price_cents);
    putchar('\n');
}

void increase_price(struct pizza_t *pizza, int increase_cents) {
    pizza->price_cents += increase_cents;
}