TTYNAME Section: Linux Programmer's Manual (3) Updated: April 20, 2025 Index   NAME ttyname - return name of a terminal   SYNOPSIS #include <unistd.h> char *ttyname ( int desc );   DESCRIPTION Returns a pointer to the pathname of the terminal device that is open on the file descriptor desc, or NULL on error (for example, if desc is not connected to a terminal).   CONFORMING TO POSIX.1   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:58:07 GMT, March 24, 2025