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/*
Copyright (C) 2015-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4istty.ctr
*/

#ifndef DK4ISTTY_H_INCLUDED
/** Avoid multiple inclusions. */
#define DK4ISTTY_H_INCLUDED 1


#line 10 "dk4istty.ctr"

/**	@file
	Check whether a file pointer
	is connected to a terminal.

	CRT on Windows: Required.
*/

#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif

#ifndef DK4TYPES_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4types.h"
#else
#include <dktools-4/dk4types.h>
#endif
#endif

#ifndef DK4ERROR_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4error.h"
#else
#include <dktools-4/dk4error.h>
#endif
#endif

#ifndef STDIO_H_INCLUDED
#include <stdio.h>
#define	STDIO_H_INCLUDED	1
#endif


#ifdef __cplusplus
extern "C" {
#endif

/**	Check  whether the file descriptor is connected to a
	tty (terminal, printer, serial line).
	@param	fd	File descriptor to check.
	@param	erp	Error report, may be NULL.
	@return	1 for tty, 0 for other file descriptor, -1 on error.
	
	Error codes:
	- DK4_E_NOT_SUPPORTED<br>
	  if not isatty() or _isatty() function available on the system.
*/
int
dk4istty(int fd, dk4_er_t *erp);

/**	Check whether a FILE pointer is connected to a tty
	(terminal, printer, serial line).
	@param	fipo	FILE to check.
	@param	erp	Error report, may be NULL.
	@return 1 for tty, 0 for other file descriptor, -1 on error.
*/
int
dk4istty_file(FILE *fipo, dk4_er_t *erp);

#ifdef __cplusplus
}
#endif




#endif