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Length: 1198 (0x4ae)
Types: TextFile
Notes: UNIX file
Names: »file.h«
└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
└─⟦this⟧ »kc/new/usr/include/sys/file.h«
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ident "@(#)file.h 1.3"
/*
* One file structure is allocated for each open/creat/pipe call.
* Main use is to hold the read/write pointer associated with
* each open file.
*/
typedef struct file
{
char f_flag;
cnt_t f_count; /* reference count */
union {
struct inode *f_uinode; /* pointer to inode structure */
struct file *f_unext; /* pointer to next entry in freelist */
} f_up;
off_t f_offset; /* read/write character pointer */
} file_t;
#define f_inode f_up.f_uinode
#define f_next f_up.f_unext
extern struct file file[]; /* The file table itself */
extern struct file *ffreelist; /* Head of freelist pool */
/* flags */
#define FOPEN 0xffffffff
#define FREAD 0x01
#define FWRITE 0x02
#define FNDELAY 0x04
#define FAPPEND 0x08
#define FSYNC 0x10
#define FMASK 0x7f /* FMASK should be disjoint from FNET */
#define FNET 0x80 /* needed by 3bnet */
/* open only modes */
#define FCREAT 0x100
#define FTRUNC 0x200
#define FEXCL 0x400