// callback.  Make sure GC works and the stack trace is correct.

#include <stdint.h>

// use ugly atomic variable sync since that doesn't require calling back into
// Go code or OS dependencies
void issue7978c(uint32_t *sync);

// issue 8331 part 2 - part 1 in test.go
// A typedef of an unnamed struct is the same struct when
// #include'd twice.  No runtime test; just make sure it compiles.
#include "issue8331.h"

// issue 8945

)

const (
	PIDFD_NONBLOCK = 0x800
)

type SysvIpcPerm struct {
	Key  int32
	Uid  uint32
	Gid  uint32
	Cuid uint32
	Cgid uint32
	Mode uint16
	_    [2]uint8
	Seq  uint16
	_    uint16
	_    uint32
	_    uint32
}
type SysvShmDesc struct {
	Perm       SysvIpcPerm
	Segsz      uint32
	Atime      uint32
	Atime_high uint32
	Dtime      uint32

type littleEndian struct{}

func (littleEndian) Uint16(b []byte) uint16 {
	_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
	return uint16(b[0]) | uint16(b[1])<<8
}

func (littleEndian) PutUint16(b []byte, v uint16) {
	_ = b[1] // early bounds check to guarantee safety of writes below
	b[0] = byte(v)
	b[1] = byte(v >> 8)
}

func (littleEndian) AppendUint16(b []byte, v uint16) []byte {
	return append(b,
		byte(v),

type Stat_t struct {
	Dev     uint64
	_       uint16
	_       uint32
	Mode    uint32
	Nlink   uint32
	Uid     uint32
	Gid     uint32
	Rdev    uint64
	_       uint16
	Size    int64
	Blksize int32
	Blocks  int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	Ino     uint64
}

type Dirent struct {
	Ino    uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Name   [256]int8

	Protocol uint16
	Ifindex  int32
	Hatype   uint16
	Pkttype  uint8
	Halen    uint8
	Addr     [8]uint8
}

type RawSockaddrNetlink struct {
	Family uint16
	Pad    uint16
	Pid    uint32
	Groups uint32
}

type RawSockaddr struct {
	Family uint16
	Data   [14]int8
}

type RawSockaddrAny struct {
	Addr RawSockaddr
	Pad  [96]int8
}

type _Socklen uint32

	Mode uint32
	_    [0]uint8
	Seq  uint16
	_    uint16
	_    uint32
	_    uint32
}
type SysvShmDesc struct {
	Perm       SysvIpcPerm
	Segsz      uint32
	Atime      uint32
	Dtime      uint32
	Ctime      uint32
	Cpid       int32
	Lpid       int32
	Nattch     uint32
	Atime_high uint16
	Dtime_high uint16
	Ctime_high uint16
	_          uint16

type FileHeader32 struct {
	Fmagic   uint16 // Target machine
	Fnscns   uint16 // Number of sections
	Ftimedat uint32 // Time and date of file creation
	Fsymptr  uint32 // Byte offset to symbol table start
	Fnsyms   uint32 // Number of entries in symbol table
	Fopthdr  uint16 // Number of bytes in optional header
	Fflags   uint16 // Flags
}

type FileHeader64 struct {
	Fmagic   uint16 // Target machine

	Mode uint32
	_    [0]uint8
	Seq  uint16
	_    uint16
	_    uint32
	_    uint32
}
type SysvShmDesc struct {
	Perm       SysvIpcPerm
	Segsz      uint32
	Atime      uint32
	Dtime      uint32
	Ctime      uint32
	Cpid       int32
	Lpid       int32
	Nattch     uint32
	Atime_high uint16
	Dtime_high uint16
	Ctime_high uint16
	_          uint16

//go:noinline
func ofz16r16(n uint16) int16 {
	var x int16
	return x >> n
}

//go:noinline
func ofz16r8(n uint8) int16 {
	var x int16
	return x >> n
}

//go:noinline
func ofz16ur64(n uint64) uint16 {
	var x uint16
	return x >> n
}

//go:noinline
func ofz16ur32(n uint32) uint16 {
	var x uint16
	return x >> n
}

//go:noinline
func ofz16ur16(n uint16) uint16 {
	var x uint16

				tr := uint16(d.transparent[0])<<8 | uint16(d.transparent[1])
				tg := uint16(d.transparent[2])<<8 | uint16(d.transparent[3])
				tb := uint16(d.transparent[4])<<8 | uint16(d.transparent[5])
				for x := 0; x < width; x++ {
					rcol := uint16(cdat[6*x+0])<<8 | uint16(cdat[6*x+1])
					gcol := uint16(cdat[6*x+2])<<8 | uint16(cdat[6*x+3])
					bcol := uint16(cdat[6*x+4])<<8 | uint16(cdat[6*x+5])
					acol := uint16(0xffff)