ttyname(3c) — SysV 1.1-06





   ttyname(3C)         (C Programming Language Utilities)          ttyname(3C)


   NAME
         ttyname, isatty - find name of a terminal

   SYNOPSIS
         #include <stdlib.h>

         char *ttyname (int fildes);

         int isatty (int fildes);

   DESCRIPTION
         ttyname returns a pointer to a string containing the null-terminated
         path name of the terminal device associated with file descriptor
         fildes.

         isatty returns 1 if fildes is associated with a terminal device, 0
         otherwise.

   FILES
         /dev/*

   DIAGNOSTICS
         ttyname returns a NULL pointer if fildes does not describe a terminal
         device in directory /dev.

   CAVEAT
         The return value points to static data whose content is overwritten
         by each call.

























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