45  *                     the ISO mode specification.
52     int mode = O_RDONLY;  in _sys_open()  local
71             mode |= (O_RDWR | O_TRUNC | O_CREAT);  in _sys_open()
75             mode |= (O_RDWR | O_APPEND | O_CREAT);  in _sys_open()
78             mode |= O_RDWR;  in _sys_open()
84             mode |= (O_WRONLY | O_TRUNC | O_CREAT);  in _sys_open()
88             mode |= (O_WRONLY | O_APPEND | O_CREAT);  in _sys_open()
92     fd = open(name, mode, 0);  in _sys_open()
134  * `mode' exists for historical reasons and must be ignored.
136 int _sys_read(FILEHANDLE fh, unsigned char *buf, unsigned len, int mode)  in _sys_read()  argument
170  * `mode' exists for historical reasons and must be ignored.
172 int _sys_write(FILEHANDLE fh, const unsigned char *buf, unsigned len, int mode)  in _sys_write()  argument