Hello Multithreading World (Pthreads)

hello_multithreading_world.c

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

void *helloWorld(void *arg) {
  (void)(arg);
  printf("Hello Multithreading World\n");
  return (void *)0;
}

int main() {
  pthread_t myThread;
  int exitCode = 0;

  exitCode = pthread_create(&myThread, NULL, &helloWorld, NULL);
  if (exitCode != 0) {
    return exitCode;
  }

  exitCode = pthread_join(myThread, NULL);
  if (exitCode != 0) {
    return exitCode;
  }

  return exitCode;
}