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// Copyright 2012 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.

package os

// FindProcess looks for a running process by its pid.

// The Process it returns can be used to obtain information

// about the underlying operating system process.

func FindProcess(pid int) (p *Process, err error) {

        return findProcess(pid)

}

// Hostname returns the host name reported by the kernel.

func Hostname() (name string, err error) {

        return hostname()

}

// Readdir reads the contents of the directory associated with file and

// returns an array of up to n FileInfo values, as would be returned

// by Lstat, in directory order. Subsequent calls on the same file will yield

// further FileInfos.

//

// If n > 0, Readdir returns at most n FileInfo structures. In this case, if

// Readdir returns an empty slice, it will return a non-nil error

// explaining why. At the end of a directory, the error is io.EOF.

//

// If n <= 0, Readdir returns all the FileInfo from the directory in

// a single slice. In this case, if Readdir succeeds (reads all

// the way to the end of the directory), it returns the slice and a

// nil error. If it encounters an error before the end of the

// directory, Readdir returns the FileInfo read until that point

// and a non-nil error.

func (f *File) Readdir(n int) (fi []FileInfo, err error) {

        return f.readdir(n)

}

// Readdirnames reads and returns a slice of names from the directory f.

//

// If n > 0, Readdirnames returns at most n names. In this case, if

// Readdirnames returns an empty slice, it will return a non-nil error

// explaining why. At the end of a directory, the error is io.EOF.

//

// If n <= 0, Readdirnames returns all the names from the directory in

// a single slice. In this case, if Readdirnames succeeds (reads all

// the way to the end of the directory), it returns the slice and a

// nil error. If it encounters an error before the end of the

// directory, Readdirnames returns the names read until that point and

// a non-nil error.

func (f *File) Readdirnames(n int) (names []string, err error) {

        return f.readdirnames(n)

}