poll.h

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#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