71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
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/* io.h
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Definitions for low level I/O functions.
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Copyright (c) Borland International 1987,1988
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All Rights Reserved.
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*/
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#if __STDC__
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#define _Cdecl
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#else
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#define _Cdecl cdecl
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#endif
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#ifndef _IO_H
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#define _IO_H 1
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#define HANDLE_MAX 20U
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extern unsigned int _Cdecl _openfd[];
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struct ftime {
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unsigned ft_tsec : 5; /* Two second interval */
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unsigned ft_min : 6; /* Minutes */
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unsigned ft_hour : 5; /* Hours */
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unsigned ft_day : 5; /* Days */
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unsigned ft_month : 4; /* Months */
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unsigned ft_year : 7; /* Year */
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};
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#define SEEK_CUR 1
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#define SEEK_END 2
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#define SEEK_SET 0
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int _Cdecl access (const char *path, int amode);
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int _Cdecl _chmod (const char *path, int func, ... /* int attr */);
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int _Cdecl chmod (const char *path, int amode);
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int _Cdecl chsize (int handle, long size);
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int _Cdecl _close (int handle);
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int _Cdecl close (int handle);
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int _Cdecl _creat (const char *path, int attribute);
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int _Cdecl creat (const char *path, int amode);
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int _Cdecl creatnew (const char *path, int mode); /* DOS 3.0 or later */
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int _Cdecl creattemp (char *path, int amode); /* DOS 3.0 or later */
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int _Cdecl dup (int handle);
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int _Cdecl dup2 (int oldhandle, int newhandle);
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int _Cdecl eof (int handle);
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long _Cdecl filelength (int handle);
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int _Cdecl getftime (int handle, struct ftime *ftimep);
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int _Cdecl ioctl (int handle, int func, ...);
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/* optional 3rd and 4th args are: void * argdx, int argcx */
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int _Cdecl isatty (int handle);
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int _Cdecl lock (int handle, long offset, long length);
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long _Cdecl lseek (int handle, long offset, int fromwhere);
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int _Cdecl _open (const char *path, int oflags);
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int _Cdecl open (const char *path, int access,... /*unsigned mode*/);
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int _Cdecl _read (int handle, void *buf, unsigned len);
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int _Cdecl read (int handle, void *buf, unsigned len);
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int _Cdecl setftime (int handle, struct ftime *ftimep);
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int _Cdecl setmode (int handle, int amode);
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long _Cdecl tell (int handle);
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unsigned _Cdecl umask (unsigned cmask);
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int _Cdecl unlink (const char *path);
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int _Cdecl unlock (int handle, long offset, long length);
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int _Cdecl _write (int handle, void *buf, unsigned len);
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int _Cdecl write (int handle, void *buf, unsigned len);
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/* macros for compatibility with earlier versions & other compilers. */
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#define sopen(path,access,shflag,mode) open (path, (access)|(shflag), mode)
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#endif /* _IO_H */
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