#pragma once

#define POLLIN    0x01
#define POLLPRI   0x02
#define POLLOUT   0x04
#define POLLERR   0x08
#define POLLHUP   0x10
#define POLLNVAL  0x20

typedef unsigned long nfds_t;

struct pollfd
{
   int fd;
   int events;
   int revents;
};

#ifdef __cplusplus
extern "C" {
#endif

int
poll(struct pollfd *fds,
     nfds_t nfds,
     int timeout);

#ifdef __cplusplus
}
#endif