#include <assert.h>
#include <pthread.h>

void *thread( void *x )
{
     return 1;
}

int main()
{
     pthread_t tid;
     pthread_create( &tid, NULL, thread, NULL );
     void *i = 0;
     int rv = pthread_join( tid, &i );
     assert( rv == 0 );
     assert( i == 1 );
     return 0;
}