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

struct Station { int id; char *name; };
static void destroy_station(struct Station *station) {
    if (station != NULL) {
        free(station->name);
        free(station);
    }
}

int main(void) {
    struct Station *station = malloc(sizeof *station);
    if (station == NULL) { return 1; }
    station->name = NULL;
    station->id = 4;
    station->name = malloc(6);
    if (station->name == NULL) { destroy_station(station); return 1; }
    memcpy(station->name, "Ridge", 6);
    printf("%d: %s\n", station->id, station->name);
    destroy_station(station);
    return 0;
}