1 #include <pthread.h>
2 #include <unistd.h>
3 #include <stdlib.h>
4 #include <stdio.h>
5 
6 int
7 main(void)
8 {
9 	ulong x;
10 
11 	x = (ulong)pthread_self();
12 	if(x < 1024*1024)
13 		exit(1);	/* NOT NPTL */
14 	exit(0);
15 }