Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 3/31/2023
Public

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PXFISATTY

POSIX Subroutine: Tests whether a file descriptor is connected to a terminal. This routine is only available for Linux and macOS.

Module

USE IFPOSIX

CALL PXFISATTY (ifildes,isatty,ierror)

ifildes

(Input) INTEGER(4). The file descriptor.

isatty

(Output) LOGICAL(4). The returned value.

ierror

(Output) INTEGER(4). The error status.

If successful, ierror is set to zero; otherwise, an error code.

If file descriptor ifildes is open and connected to a terminal, isatty returns .TRUE.; otherwise, .FALSE..

See Also