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

typedef struct coco {
  char *name;
} Coco;

char *COCO_NAME = "COCO";

void *thread_func(void *data) {
  printf("Hello from the new thread!\n");
  Coco *c = malloc(sizeof(Coco));
  c->name = COCO_NAME;
  return c;
}

int main() {
  pthread_t thread;
  void *ret;
  int result = pthread_create(&thread, NULL, thread_func, NULL);
  if (result != 0) {
    printf("Error creating thread: %d\n", result);
    return 1;
  }
  result = pthread_join(thread, &ret);
  if (result != 0) {
    printf("Error joining thread: %d\n", result);
    return 1;
  }
  printf("Hello from the main thread!\n");
  printf("Return Value: %s", ((Coco *)(ret))->name);
  return 0;
}