PHP
处理控制 | Process Control

posix_ttyname

posix_ttyname

(PHP 4, PHP 5, PHP 7)

posix_ttyname — Determine terminal device name

Description

string posix_ttyname ( mixed $fd )

Returns a string for the absolute path to the current terminal device that is open on the file descriptor fd.

Parameters

fd

The file descriptor, which is expected to be either a file resource or an integer. An integer will be assumed to be a file descriptor that can be passed directly to the underlying system call.

In almost all cases, you will want to provide a file resource.

Return Values

On success, returns a string of the absolute path of the fd. On failure, returns FALSE

← posix_times

posix_uname →

© 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/function.posix-ttyname.php