

isatty()                 General Function                isatty()




Check if a device is a terminal

iinntt iissaattttyy(_f_d) iinntt _f_d;

isatty checks to  see if a device is a  terminal.  It returns one
if the  file descriptor fd describes a  terminal, and zero other-
wise.

***** Files *****

/ddeevv/* -- Terminal special files
/eettcc/ttttyyss -- Login terminals

***** See Also *****

general functions, ioctl(), tty, ttyname(), ttyslot()








































COHERENT Lexicon                                           Page 1


