Initial revision

modules/src/system/system.h

@@ -0,0 +1,40 @@
+/* RCS: $Header$ */
+
+struct _sys_fildes {
+	int o_fd;	/* UNIX filedescriptor */
+	int o_flags;	/* flags for open; 0 if not used */
+};
+
+typedef struct _sys_fildes File;
+
+extern File _sys_ftab[];
+
+/* flags for sys_open() */
+#define OP_READ		01
+#define OP_WRITE	02
+#define OP_APPEND	04
+
+/* flags for sys_access() */
+#define AC_EXIST	00
+#define AC_READ		04
+#define AC_WRITE	02
+#define AC_EXEC		01
+
+/* flags for sys_stop() */
+#define S_END	0
+#define S_EXIT	1
+#define S_ABORT	2
+
+/* standard file decsriptors */
+#define STDIN	&_sys_ftab[0]
+#define STDOUT	&_sys_ftab[1]
+#define STDERR	&_sys_ftab[2]
+
+/* maximum number of open files */
+#define SYS_NOPEN	20
+
+/* return value for sys_break */
+#define ILL_BREAK	((char *)0)
+
+/* system's idea of block */
+#define BUFSIZ	1024