text: #ifndef	_POLL_H
  #define	_POLL_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include <features.h>
  
  #include <bits/poll.h>
  
  #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  #define POLLIN     0x001
  #define POLLPRI    0x002
  #define POLLOUT    0x004
  #define POLLERR    0x008
  #define POLLHUP    0x010
  #define POLLNVAL   0x020
  #define POLLRDNORM 0x040
  #define POLLRDBAND 0x080
  #ifndef POLLWRNORM
  #define POLLWRNORM 0x100
  #define POLLWRBAND 0x200
  #endif
  #ifndef POLLMSG
  #define POLLMSG    0x400
  #define POLLRDHUP  0x2000
  #endif
  #else
  #include <__header_poll.h>
  #endif
  
  #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  typedef unsigned long nfds_t;
  #else
  #include <__typedef_nfds_t.h>
  #endif
  
  #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  struct pollfd {
  	int fd;
  	short events;
  	short revents;
  };
  #else
  #include <__struct_pollfd.h>
  #endif
  
  int poll (struct pollfd *, nfds_t, int);
  
  #ifdef _GNU_SOURCE
  #define __NEED_time_t
  #define __NEED_struct_timespec
  #define __NEED_sigset_t
  #include <bits/alltypes.h>
  int ppoll(struct pollfd *, nfds_t, const struct timespec *, const sigset_t *);
  #endif
  
  #if _REDIR_TIME64
  #ifdef _GNU_SOURCE
  __REDIR(ppoll, __ppoll_time64);
  #endif
  #endif
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  