1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include "clog.h"
// STRUCT TYPE DEFINITION for type `struct Point` using the cannonical struct syntax.
struct Point {
int x; // `x` is a field within a struct type called `struct Point`.
int y; // `y` " " " " " " " " " "
}; // ☆☆☆☆☆☆☆☆☆☆ REMEMBER THE SEMICOLON!!!! ☆☆☆☆☆☆☆☆☆☆
// Within the struct type definition (↑), there are no initializations.
// Struct type definition does NOT allocate any memory.
// It is NOT a variable.
// It is a TYPE. You can use it to declare variables later.
int main(int argc, char* argv[]) {
struct Point p = { .x = 5, .y = 6 };
// └────┬─────┘ └────────┬───────┘
// type named initializer
log_int(p.x); // `p.x` refers to the `.x` field of struct object `p`.
log_int(p.y); // `p.y` refers to the `.y` field of struct object `p`.
printf("The coordinates of `p` are (%d, %d)\n", p.x, p.y);
printf("p.x = 10;\n");
p.x = 10;
printf("p.y = 11;\n");
p.y = 11;
printf("The coordinates of `p` are (%d, %d)\n", p.x, p.y);
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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