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处理控制 | Process Control

posix_ctermid

posix_ctermid

(PHP 4, PHP 5, PHP 7)

posix_ctermid — Get path name of controlling terminal

Description

string posix_ctermid ( void )

Generates a string which is the pathname for the current controlling terminal for the process. On error this will set errno, which can be checked using posix_get_last_error()

Return Values

Upon successful completion, returns string of the pathname to the current controlling terminal. Otherwise FALSE is returned and errno is set, which can be checked with posix_get_last_error().

Examples

Example #1 posix_ctermid() example

This example will display the path to the current TTY.

<?php echo "I am running from ".posix_ctermid( ?>

See Also

  • posix_ttyname() - Determine terminal device name

  • posix_get_last_error() - Retrieve the error number set by the last posix function that failed

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posix_errno →

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