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ISATTY(3)		   Linux Programmer's Manual		     ISATTY(3)

NAME
       isatty - does this descriptor refer to a terminal

SYNOPSIS
       #include <unistd.h>

       int isatty(int desc);

DESCRIPTION
       returns	1  if desc is an open descriptor connected to a terminal and 0
       else.

CONFORMING TO
       SVr4, 4.3BSD, POSIX.1-2001.

SEE ALSO
       fstat(2), ttyname(3)

Linux				  1995-04-20			     ISATTY(3)