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

isatty - does this descriptor refer to a terminal

#include <unistd.h>

int isatty(int desc);

returns 1 if desc is an open file descriptor connected to a terminal and 0 otherwise.

SVr4, 4.3BSD, POSIX.1-2001.

fstat(2), ttyname(3)

This page is part of release 3.05 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.

1995-04-20 Linux

Different Versions of this Page: