Defined in stdio.h, this function determines
whether the given stdio stream is attached to
a terminal device or a normal file. It calls the _sys_istty() low-level
function on the underlying file handle.
This function is not part of the C library standard, but is
supported by the ARM C library as an extension.
Syntax
int _fisatty(FILE *stream);
The return value indicates the stream destination:
0
A
file.
1
A terminal.
Negative
An error.
See also
Tasks
Using ARM C and C++ Libraries and Floating-Point
Support:
This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.
ARM websites use two types of cookie: (1) those that enable the site to function and perform as required; and (2) analytical cookies which anonymously track visitors only while using the site. If you are not happy with this use of these cookies please review our Privacy Policy to learn how they can be disabled. By disabling cookies some features of the site will not work.