mac-rom/Interfaces/CIncludes/IOCtl.h
Elliot Nunn 4325cdcc78 Bring in CubeE sources
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2017-12-26 09:52:23 +08:00

63 lines
1.6 KiB
C

/*
IOCtl.h -- Device-handler-specific requests
Copyright, Apple Computer Inc. 1985-1991
All rights reserved.
This file is used in these builds: ROM System
Change History (most recent first):
<6> 8/8/91 JL Update copyright
<5> 6/17/91 JL Checked in MPW 3.2Ä version. Changed __safe_link to
__cplusplus.
To Do:
*/
# ifndef __IOCTL__
# define __IOCTL__
/*
* ioctl() function prototype
*/
#ifdef __cplusplus
extern "C" {
#endif
int ioctl(int fildes, unsigned int cmd, long *arg);
#ifdef __cplusplus
}
#endif
/*
* IO Control commands.
*
* IOCTLs which begin with "FIO" are controls which are general
* (device driver) control requests. They may be executed by
* the top-level ioctl() procedure, or previewed by it before
* passing it on to the driver xxIoctl()s.
*/
# define FIOLSEEK (('f'<<8)|0x00) /* Apple internal use only */
# define FIODUPFD (('f'<<8)|0x01) /* Apple internal use only */
# define FIOINTERACTIVE (('f'<<8)|0x02) /* If device is interactive */
# define FIOBUFSIZE (('f'<<8)|0x03) /* Return optimal buffer size */
# define FIOFNAME (('f'<<8)|0x04) /* Return filename */
# define FIOREFNUM (('f'<<8)|0x05) /* Return fs refnum */
# define FIOSETEOF (('f'<<8)|0x06) /* Set file length */
/*
* IOCTLs which begin with "TIO" are for TTY (i.e., console or
* terminal-related) device control requests.
*/
# define TIOFLUSH (('t'<<8)|0x00) /* discard unread input. arg is ignored */
# define TIOSPORT (('t'<<8)|0x01) /* Obsolete -- do not use */
# define TIOGPORT (('t'<<8)|0x02) /* Obsolete -- do not use */
# endif __IOCTL__