1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
#include <stdio.h>
#include <stdlib.h>

typedef struct {
    int x;
    int y;
} Point;  // <<<<<< REMEMBER YOUR SEMICOLON AT END OF STRUCT DEFINITION

int main(int argc, char* argv[]) {

    Point p = {.x = 5, .y = 6};
    printf("p.x == %d\n", p.x);

    // Address of a struct object
    Point* a_p = &p;

    // GOOD -- These two lines do exactly the same thing.
    printf("p.x == %d\n", (*a_p).x);
    printf("p.x == %d\n", a_p -> x);  // <<<<<<< BEST <<<<<<


    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

© Copyright 2017 Alexander J. Quinn         This content is protected and may not be shared, uploaded, or distributed.