// imports
	imports      map[string]int
	hasDotImp    bool // if set, package contains a dot import
	importByName map[string]string

	// declarations
	values []*Value // consts and vars
	order  int      // sort order of const and var declarations (when we can't use a name)
	types  map[string]*namedType
	funcs  methodSet

	// support for package-local shadowing of predeclared types
	shadowedPredecl map[string]bool

echo
echo "//go:build ${GOARCH} && ${GOOS}"
echo
go tool cgo -godefs -- "$@" _const.go >_error.out
cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
echo
echo '// Errors'
echo 'const ('
cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/'
echo ')'

echo
echo '// Signals'
echo 'const ('
cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/'
echo ')'

//go:build 386 && linux

// Code generated by cmd/cgo -godefs; DO NOT EDIT.
// cgo -godefs -- -Wall -Werror -static -I/tmp/386/include -m32 _const.go

package unix

import "syscall"

const (
	B1000000                         = 0x1008
	B115200                          = 0x1002
	B1152000                         = 0x1009
	B1500000                         = 0x100a

//go:build arm64 && linux

// Code generated by cmd/cgo -godefs; DO NOT EDIT.
// cgo -godefs -- -Wall -Werror -static -I/tmp/arm64/include -fsigned-char _const.go

package unix

import "syscall"

const (
	B1000000                         = 0x1008
	B115200                          = 0x1002
	B1152000                         = 0x1009
	B1500000                         = 0x100a

//go:build amd64 && linux

// Code generated by cmd/cgo -godefs; DO NOT EDIT.
// cgo -godefs -- -Wall -Werror -static -I/tmp/amd64/include -m64 _const.go

package unix

import "syscall"

const (
	B1000000                         = 0x1008
	B115200                          = 0x1002
	B1152000                         = 0x1009
	B1500000                         = 0x100a

		scope: d.file,
	}

	// Const and var declarations must not have initialization
	// cycles. We track them by remembering the current declaration
	// in check.decl. Initialization expressions depending on other
	// consts, vars, or functions, add dependencies to the current
	// check.decl.
	switch obj := obj.(type) {
	case *Const:
		check.decl = d // new package-level const decl

		scope: d.file,
	}

	// Const and var declarations must not have initialization
	// cycles. We track them by remembering the current declaration
	// in check.decl. Initialization expressions depending on other
	// consts, vars, or functions, add dependencies to the current
	// check.decl.
	switch obj := obj.(type) {
	case *Const:
		check.decl = d // new package-level const decl

	{name: "ConstNil", typ: "BytePtr"},   // nil pointer
	{name: "Const8", aux: "Int8"},        // auxint is sign-extended 8 bits
	{name: "Const16", aux: "Int16"},      // auxint is sign-extended 16 bits
	{name: "Const32", aux: "Int32"},      // auxint is sign-extended 32 bits
	// Note: ConstX are sign-extended even when the type of the value is unsigned.