#include <stdio.h>
#include <pthread.h>
/* do not need stdlib.h */
/* do not need wait.h */

/* declare a global variable */
static int check = 0;

/* function to be executed by created thread */
void* go_smith(void* arg)
{
	pthread_t *psmith = (pthread_t*) arg;
	check++;
	printf("I am Agent Smith %u @%p (%d)\n",(unsigned)*psmith,&check,check);
	pthread_exit(0);
}

int main(int argc, char *argv[])
{
	pthread_t smith;
	check++;
	pthread_create(&smith,0x0,&go_smith,&smith);
	pthread_join(smith,0x0); /* wait for create thread to finish */
	printf("I am Agent Smith 0 @%p (%d)\n",&check,check);
	return 0;
}