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CTERMID

CTERMID

NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO BUGS SEE ALSO


NAME

ctermid - get controlling terminal name

SYNOPSIS

#include s);

DESCRIPTION

ctermid() returns a string which is the pathname for the current controlling terminal for this process. If s is NULL, a static buffer is used, otherwise s points to a buffer used to hold the terminal pathname. The symbolic constant L_ctermid is the maximum number of characters in the returned pathname.

RETURN VALUE

The pointer to the pathname.

CONFORMING TO

POSIX.1

BUGS

The path returned may not uniquely identify the controlling terminal; it may, for example, be /dev/tty.

It is not assured that the program can open the terminal.

SEE ALSO

ttyname(3)


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