POSIX
PHP Manual

posix_ttyname

(PHP 4, PHP 5)

posix_ttyname — Determine terminal device name

说明

string posix_ttyname ( int $fd )

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

参数

fd

The file descriptor.

返回值

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


POSIX
PHP Manual