linked_list.c

#include <sys/queue.h>
#include <stdlib.h>
#include <stdio.h>

struct entry {
  SLIST_ENTRY(entry) next;
};

SLIST_HEAD(top, entry) head;

int main() {

  SLIST_INIT(&head);

  struct entry *n1 = malloc(sizeof(struct entry));
  SLIST_INSERT_HEAD(&head, n1, next);

  struct entry *n2 = malloc(sizeof(struct entry));
  SLIST_INSERT_HEAD(&head, n2, next);

  struct entry *np;
  SLIST_FOREACH(np, &head, next) {
    printf("Helo\n");
    free(np);
  }

  return 0;
}