NAME    [Toc]    [Back]

       ctermid - get controlling terminal name

SYNOPSIS    [Toc]    [Back]

       #include <stdio.h>

       char *ctermid(char *s);

DESCRIPTION    [Toc]    [Back]

       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    [Toc]    [Back]

       The pointer to the pathname.

CONFORMING TO    [Toc]    [Back]

       POSIX.1

BUGS    [Toc]    [Back]

       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    [Toc]    [Back]

       ttyname(3)



GNU				  1993-04-06			    CTERMID(3)