generate file name for terminal
char ctermid(char s);
generates the path name of the controlling
terminal for the current process, and stores it in a
pointer, the string is stored in an internal static area,
the contents of which are overwritten at the next call to
and the address of which is returned.
is assumed to point to a character array of at least
elements; the path name is placed in this array and the value of
is defined in the
The difference between
must be handed a file descriptor and returns the actual name of
the terminal associated with that file descriptor, while
returns a string
that will refer to the
terminal if used as a file name.
is useful only if the process already has at least one file open
to a terminal.
When used by a multi-threaded application,
ctermid should have a non-NULL argument.
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004