NAME
ctermid - get controlling terminal name SYNOPSIS
#include
char *ctermid(char *s); Feature Test Macro Requirements for glibc (see featuretestmacros(7)): ctermid(): POSIXCSOURCE >= 1 || XOPENSOURCE || POSIXSOURCE DESCRIPTION ctermid() returns a string which is the pathname for the current con‐ trolling terminal for this process. If s is NULL, a static buffer is used, otherwise s points to a buffer used to hold the terminal path‐ name. The symbolic constant Lctermid is the maximum number of charac‐ ters in the returned pathname. RETURN VALUE The pointer to the pathname. ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). ┌──────────┬───────────────┬─────────┐ │Interface │ Attribute │ Value │ ├──────────┼───────────────┼─────────┤ │ctermid() │ Thread safety │ MT-Safe │ └──────────┴───────────────┴─────────┘ CONFORMING TO
Svr4, POSIX.1-2001. 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) COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
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GNU 2013-07-04 CTERMID(3)