#include <pthread.h>

#define NUM_THREADS 5

void *perform_work(void *arguments){
  /* do something with arguments */
  return NULL;
}

int main(void) {
    pthread_t threads[2*NUM_THREADS];
    int local_thread_args[NUM_THREADS];              /* automatic storage duration */
    static int static_thread_args[NUM_THREADS];      /* static storage duration */
    int i;
    int result_code;

    /* pass local data to some threads */
    for (i = 0; i < NUM_THREADS; i++) {
        local_thread_args[i] = i;
        result_code = pthread_create(&threads[2*i], NULL, perform_work, &local_thread_args[i]); /* 'Local Variable Passed to Thread' warning issued here */
        if (result_code != 0) {return result_code;}
    }

    /* pass local-static data to some threads */
    for (i = 0; i < NUM_THREADS; i++) {
        static_thread_args[i] = i;
        result_code = pthread_create(&threads[2*i+1], NULL, perform_work, &static_thread_args[i]);          /* ok: static_thread_args has static storage duration */
        if (result_code != 0) {return result_code;}
    }

    /* wait for threads to complete */
    for (i = 0; i < 2*NUM_THREADS; i++) {
        result_code = pthread_join(threads[i], NULL);
        if (result_code != 0) {return result_code;}
    }

    return 0;
}