home *** CD-ROM | disk | FTP | other *** search
- /* fcntl.h
-
- Define flag values accessible to open.
-
- Copyright (c) Borland International 1987,1988
- All Rights Reserved.
- */
- #if __STDC__
- #define _Cdecl
- #else
- #define _Cdecl cdecl
- #endif
-
- extern int _Cdecl _fmode;
-
- /* The first three can only be set by open */
-
- #define O_RDONLY 1
- #define O_WRONLY 2
- #define O_RDWR 4
-
- /* Flag values for open only */
-
- #define O_CREAT 0x0100 /* create and open file */
- #define O_TRUNC 0x0200 /* open with truncation */
- #define O_EXCL 0x0400 /* exclusive open */
-
- /* The "open flags" defined above are not needed after open, hence they
- are re-used for other purposes when the file is running. Sorry, its
- getting crowded !
- */
- #define _O_RUNFLAGS 0x0700
- #define _O_EOF 0x0200 /* set when text file hits ^Z */
-
- /* a file in append mode may be written to only at its end.
- */
- #define O_APPEND 0x0800 /* to end of file */
-
- /* MSDOS special bits */
-
- #define O_CHANGED 0x1000 /* user may read these bits, but */
- #define O_DEVICE 0x2000 /* only RTL\io functions may touch. */
- #define O_TEXT 0x4000 /* CR-LF translation */
- #define O_BINARY 0x8000 /* no translation */
-
- /* DOS 3.x options */
-
- #define O_NOINHERIT 0x80
- #define O_DENYALL 0x10
- #define O_DENYWRITE 0x20
- #define O_DENYREAD 0x30
- #define O_DENYNONE 0x40