#ifndef POLL_H
#define POLL_H
+typedef int nfds_t;
+
+struct pollfd
+{
+ int fd;
+ short events;
+ short revents;
+};
+
+int poll(struct pollfd fds[], nfds_t nfds, int timeout);
+
+#define POLLOUT 1
+#define POLLIN 2
+#define POLLERR 0
+#define POLLHUP 1
+
#endif /* POLL_H */