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
