#include <stdio.h>
#include <string.h>

typedef struct point {
    int x;
    int y;
    char *number;
    struct point *ptr_for_go_next;
} point_t;

int main() {
    point_t p2 = {
        .x = 20,
        .y = 40,
        .number = "number_2",
        .ptr_for_go_next = NULL
    };

    point_t p1 = {
        .x = 10,
        .y = 20,
        .number = "number_1",
        .ptr_for_go_next = &p2
    };

    printf("x: %d\n", p1.x);
    printf("y: %d\n", p1.y);
    printf("number: %s\n", p1.number);

    return 0;
}