#include <stdio.h>

#include <pthread.h>
#include <unistd.h>

/*
pthread_t phread_self(void);

void * start_routine(void * arg);
int pthread_create(pthread_t * thread, const pthread_attr_t * attr,
	void *(start_routine)(void *), void * arg);
void pthread_exit(void *retval);
*/

void * start_routine(void * arg) {
	int pid = pthread_self();
	printf("%d\n",pid);
	return NULL;
}

int main() {

	int val1 = 5;
	int val2 = 11;

	pthread_t thread1;
	pthread_t thread2;
	pthread_create(&thread1, NULL, &start_routine, NULL);
	pthread_create(&thread2, NULL, &start_routine, NULL);



	printf("Program started!\n");

	pthread_exit(NULL);
	return 0;
}