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

// struct type definition using cannonical syntax (original C way).

struct Point {
    int x;  // looks like a variable declaration without an initializer.
    int y;
};  // SEMICOLON IS REQUIRED AT THE END

// struct object lets you have one variable that contains multiple values (fields).

void print_point(struct Point p) {
    // print_point(…) takes one parameter of type 'struct Point'

    printf("(x=%d, y=%d)\n", p.x, p.y);
    // Print the two fields of that object p: .x and .y.
}

int main(int argc, char* argv[]) {
    struct Point p = { .x = 5, .y = 7 };  // declared an object of type 'struct Point'
    print_point(p);
    return EXIT_SUCCESS;
}
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