#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>

pthread_t ntid;

void printids( const char *s )
{
	pid_t pid;
	pthread_t tid;

	pid = getpid();
	tid = pthread_self();
	printf("%s pid %u tid %u (0x%x) \n", s , ( unsigned int ) pid,
				( unsigned int ) tid, (unsigned int ) tid);
}

void *thr_fn( void * arg )
{
	printids( arg );
	return NULL;
}

int main( void )
{
	int err;

	err = pthread_create( &ntid, NULL, thr_fn, "new thread: " );
	if ( err != 0 ){
		fprintf( stderr, "can't create thread: %s\n", strerror( err ) );
		exit( 1 );
	}
	printids( "main threads: " );
	sleep(1);
	return 0;
}