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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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kcc-4/include/fcntl.h
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/*
* FCNTL.H - command definitions for fcntl() file information
*
* Copyright (C) 1987 by Ian Macky, SRI International
*/
#ifndef _FCNTL_INCLUDED
#define _FCNTL_INCLUDED 1
#include "c-env.h"
#define F_DUPFD 0 /* Duplicate FD */
#define F_GETFD 1 /* Get the close-on-exec flag */
#define F_SETFD 2 /* Set the close-on-exec flag */
#define F_GETFL 3 /* Get descriptor status flags */
#define F_SETFL 4 /* Set descriptor status flags */
#define F_GETOWN 5 /* Get process ID or group */
#define F_SETOWN 6 /* Set process ID or group */
#if SYS_T20+SYS_10X
#define F_GETSYSFD 7 /* Get internal system handle for FD, which
is a JFN on TOPS-20/TENEX */
#define F_GETBYTESIZE 8 /* Get byte-size file was opened in */
#endif
/* File descriptor status flags.
** Keep BSD etc flags in the low 9 bits to avoid conflicts with internal
** or KCC-specific flags.
*/
#define FAPPEND 01 /* Force each write to append at EOF */
#define FASYNC 02 /* Enable SIGIO signal when I/O possible (TTY only) */
#define FNDELAY 04 /* Non-blocking I/O (TTY only) */
/* KCC-specific flags. Keep these out of the low 9 bits. */
#define FDF_CVTEOL 01000 /* Force CRLF<->LF conversion */
#define FDF_OLDFILE 02000 /* This is an old file */
#define FDF_READ 04000 /* Open for reading */
#define FDF_WRITE 010000 /* Open for writing */
#endif /* not _FCNTL_INCLUDED */