text: // Copyright 2011 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.
  
  // Plan 9 environment variables.
  
  package plan9
  
  import (
  	"syscall"
  )
  
  func Getenv(key string) (value string, found bool) {
  	return syscall.Getenv(key)
  }
  
  func Setenv(key, value string) error {
  	return syscall.Setenv(key, value)
  }
  
  func Clearenv() {
  	syscall.Clearenv()
  }
  
  func Environ() []string {
  	return syscall.Environ()
  }
  
  func Unsetenv(key string) error {
  	return syscall.Unsetenv(key)
  }
  