#ifdef SYS_POLL_MISSING /* { */
struct pollfd { int fd; short events; short revents; };
extern "C" int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
#define POLLIN      0x0001
#define POLLPRI     0x0002
#define POLLOUT     0x0004
#define POLLERR     0x0008
#define POLLHUP     0x0010
#define POLLNVAL    0x0020
#else /* } { */
#include <sys/poll.h>
#endif /* } */
int main() {
  struct pollfd fds[3];
  return poll(fds, 3, 700);
}