non-critical impact:

isatty - different behavior (NcWn65)

Problem description

The isatty function has different behavior on Tru64 UNIX and HP-UX.

The isatty function determines if the device is a terminal. On Tru64 UNIX, the isatty function considers master ptys to be tty devices for streams; on HP-UX, master ptys are not considered to be tty devices for streams.

Identifiers

isatty

See also

• Background information on Input/Output (files, devices) impacts
• isatty(3)

Solution description

Review the applicable manpages and your code to determine if unexpected behavior will result. The HP-UX specific behaviors may or may not affect your application.

See also

• isatty(3C)

Problem summary