Parallel threading in good-old C

spawn.c

#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
 
void *threadFunc(void *vargp)
{
    printf("Printing GeeksQuiz from Thread \n");
    return NULL;
}
  
int main()
{
    pthread_t thread_id;
    printf("Before Thread\n");
    pthread_create(&thread_id, NULL, myThreadFun, NULL);
    pthread_join(thread_id, NULL);
    printf("After Thread\n");
    exit(0);
}