text: // Copyright 2009 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  // +build ignore
  
  /*
  Input to cgo -godefs.  See README.md
  */
  
  // +godefs map struct_in_addr [4]byte /* in_addr */
  // +godefs map struct_in6_addr [16]byte /* in6_addr */
  
  package unix
  
  /*
  #define KERNEL
  #include <dirent.h>
  #include <fcntl.h>
  #include <poll.h>
  #include <signal.h>
  #include <termios.h>
  #include <stdio.h>
  #include <unistd.h>
  #include <sys/event.h>
  #include <sys/mman.h>
  #include <sys/mount.h>
  #include <sys/param.h>
  #include <sys/ptrace.h>
  #include <sys/resource.h>
  #include <sys/select.h>
  #include <sys/signal.h>
  #include <sys/socket.h>
  #include <sys/stat.h>
  #include <sys/time.h>
  #include <sys/types.h>
  #include <sys/un.h>
  #include <sys/utsname.h>
  #include <sys/wait.h>
  #include <net/bpf.h>
  #include <net/if.h>
  #include <net/if_dl.h>
  #include <net/route.h>
  #include <netinet/in.h>
  #include <netinet/icmp6.h>
  #include <netinet/tcp.h>
  
  enum {
  	sizeofPtr = sizeof(void*),
  };
  
  union sockaddr_all {
  	struct sockaddr s1;	// this one gets used for fields
  	struct sockaddr_in s2;	// these pad it out
  	struct sockaddr_in6 s3;
  	struct sockaddr_un s4;
  	struct sockaddr_dl s5;
  };
  
  struct sockaddr_any {
  	struct sockaddr addr;
  	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
  };
  
  */
  import "C"
  
  // Machine characteristics; for internal use.
  
  const (
  	sizeofPtr      = C.sizeofPtr
  	sizeofShort    = C.sizeof_short
  	sizeofInt      = C.sizeof_int
  	sizeofLong     = C.sizeof_long
  	sizeofLongLong = C.sizeof_longlong
  )
  
  // Basic types
  
  type (
  	_C_short     C.short
  	_C_int       C.int
  	_C_long      C.long
  	_C_long_long C.longlong
  )
  
  // Time
  
  type Timespec C.struct_timespec
  
  type Timeval C.struct_timeval
  
  // Processes
  
  type Rusage C.struct_rusage
  
  type Rlimit C.struct_rlimit
  
  type _Gid_t C.gid_t
  
  // Files
  
  const ( // Directory mode bits
  	S_IFMT   = C.S_IFMT
  	S_IFIFO  = C.S_IFIFO
  	S_IFCHR  = C.S_IFCHR
  	S_IFDIR  = C.S_IFDIR
  	S_IFBLK  = C.S_IFBLK
  	S_IFREG  = C.S_IFREG
  	S_IFLNK  = C.S_IFLNK
  	S_IFSOCK = C.S_IFSOCK
  	S_ISUID  = C.S_ISUID
  	S_ISGID  = C.S_ISGID
  	S_ISVTX  = C.S_ISVTX
  	S_IRUSR  = C.S_IRUSR
  	S_IWUSR  = C.S_IWUSR
  	S_IXUSR  = C.S_IXUSR
  )
  
  type Stat_t C.struct_stat
  
  type Statfs_t C.struct_statfs
  
  type Flock_t C.struct_flock
  
  type Dirent C.struct_dirent
  
  type Fsid C.struct_fsid
  
  // File system limits
  
  const (
  	PathMax = C.PATH_MAX
  )
  
  // Sockets
  
  type RawSockaddrInet4 C.struct_sockaddr_in
  
  type RawSockaddrInet6 C.struct_sockaddr_in6
  
  type RawSockaddrUnix C.struct_sockaddr_un
  
  type RawSockaddrDatalink C.struct_sockaddr_dl
  
  type RawSockaddr C.struct_sockaddr
  
  type RawSockaddrAny C.struct_sockaddr_any
  
  type _Socklen C.socklen_t
  
  type Linger C.struct_linger
  
  type Iovec C.struct_iovec
  
  type IPMreq C.struct_ip_mreq
  
  type IPv6Mreq C.struct_ipv6_mreq
  
  type Msghdr C.struct_msghdr
  
  type Cmsghdr C.struct_cmsghdr
  
  type Inet6Pktinfo C.struct_in6_pktinfo
  
  type IPv6MTUInfo C.struct_ip6_mtuinfo
  
  type ICMPv6Filter C.struct_icmp6_filter
  
  const (
  	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
  	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
  	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
  	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
  	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
  	SizeofLinger           = C.sizeof_struct_linger
  	SizeofIPMreq           = C.sizeof_struct_ip_mreq
  	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
  	SizeofMsghdr           = C.sizeof_struct_msghdr
  	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
  	SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
  	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
  	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
  )
  
  // Ptrace requests
  
  const (
  	PTRACE_TRACEME = C.PT_TRACE_ME
  	PTRACE_CONT    = C.PT_CONTINUE
  	PTRACE_KILL    = C.PT_KILL
  )
  
  // Events (kqueue, kevent)
  
  type Kevent_t C.struct_kevent
  
  // Select
  
  type FdSet C.fd_set
  
  // Routing and interface messages
  
  const (
  	SizeofIfMsghdr         = C.sizeof_struct_if_msghdr
  	SizeofIfData           = C.sizeof_struct_if_data
  	SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
  	SizeofIfmaMsghdr       = C.sizeof_struct_ifma_msghdr
  	SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
  	SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
  	SizeofRtMetrics        = C.sizeof_struct_rt_metrics
  )
  
  type IfMsghdr C.struct_if_msghdr
  
  type IfData C.struct_if_data
  
  type IfaMsghdr C.struct_ifa_msghdr
  
  type IfmaMsghdr C.struct_ifma_msghdr
  
  type IfAnnounceMsghdr C.struct_if_announcemsghdr
  
  type RtMsghdr C.struct_rt_msghdr
  
  type RtMetrics C.struct_rt_metrics
  
  // Berkeley packet filter
  
  const (
  	SizeofBpfVersion = C.sizeof_struct_bpf_version
  	SizeofBpfStat    = C.sizeof_struct_bpf_stat
  	SizeofBpfProgram = C.sizeof_struct_bpf_program
  	SizeofBpfInsn    = C.sizeof_struct_bpf_insn
  	SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
  )
  
  type BpfVersion C.struct_bpf_version
  
  type BpfStat C.struct_bpf_stat
  
  type BpfProgram C.struct_bpf_program
  
  type BpfInsn C.struct_bpf_insn
  
  type BpfHdr C.struct_bpf_hdr
  
  // Terminal handling
  
  type Termios C.struct_termios
  
  type Winsize C.struct_winsize
  
  // fchmodat-like syscalls.
  
  const (
  	AT_FDCWD            = C.AT_FDCWD
  	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
  )
  
  // poll
  
  type PollFd C.struct_pollfd
  
  const (
  	POLLERR    = C.POLLERR
  	POLLHUP    = C.POLLHUP
  	POLLIN     = C.POLLIN
  	POLLNVAL   = C.POLLNVAL
  	POLLOUT    = C.POLLOUT
  	POLLPRI    = C.POLLPRI
  	POLLRDBAND = C.POLLRDBAND
  	POLLRDNORM = C.POLLRDNORM
  	POLLWRBAND = C.POLLWRBAND
  	POLLWRNORM = C.POLLWRNORM
  )
  
  // Uname
  
  type Utsname C.struct_utsname
  