poll.h

#pragma once
 
#define POLLIN      0x01
#define POLLPRI     0x02
#define POLLHUP     0x04 // unknown ???
#define POLLERR     0x08 // probably
#define POLLOUT     0x10
#define POLLNVAL    0x20
 
typedef unsigned int nfds_t;
 
struct pollfd
{
    int fd;
    int events;
    int revents;
};
 
#ifdef __cplusplus
extern "C" {
#endif
 
    int poll(struct pollfd *fds, nfds_t nfsd, int timeout);
 
#ifdef __cplusplus
}
#endif