isatty(3STDC)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | NOTE | ATTRIBUTES | SEE ALSO

NAME

isatty- check if a file descriptor is associated with a terminal

SYNOPSIS

#include <unistd.h>

int isatty(int fd);

DESCRIPTION

The isatty function checks whether or not the file descriptor soecified by fd is associated with a terminal device.

RETURN VALUES

The isattyfunction returns 1 if the file descriptor is associated with a terminal device. It returns 0 otherwise.

NOTE

In ChorusOS, isatty always returns 1 on a socket file descriptor.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Interface Stability	Evolving

SEE ALSO

ioctl(2POSIX)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | NOTE | ATTRIBUTES | SEE ALSO