isatty(3STDC)

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

NAME

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

SYNOPSIS

$(OS_DIR)/lib/libc.a
#include <unistd.h>

int isatty(int fd);

API RESTRICTIONS

The function or functions documented here may not be used safely in all application contexts with all APIs provided in the ChorusOS 5.0 product.

See API(5FEA) for details.

DESCRIPTION

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

RETURN VALUES

The isatty() function returns 1 if the file descriptor is associated with a terminal device. Otherwise, it returns 0.

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 | API RESTRICTIONS | DESCRIPTION | RETURN VALUES | NOTE | ATTRIBUTES | SEE ALSO