Disabled building rescue driver (no longer needed). Moved allocmem from

library to the memory driver. Always put output from within TTY directly on
the console. Removed second include of driver.h from tty.c. Made tty_inrepcode
bigger. First step to move PM and FS calls that are not regular (API)
system calls out of callnr.h (renumbered them, and removed them from the
table.c files). Imported the Minix-vmd uname implementation. This provides
a more stable ABI than the current implementation. Added a bit of security
checking. Unfortunately not nearly enough to get a secure system. Fixed a
bug related to the sizes of the programs in the image (in PM patch_mem_chunks).

include/sys/utsname.h

@@ -19,4 +19,27 @@ struct utsname {
 /* Function Prototypes. */
 _PROTOTYPE( int uname, (struct utsname *_name)				);
 
+#ifdef _MINIX
+/* Uname() is implemented with sysuname(). */
+
+_PROTOTYPE( int sysuname, (int _req, int _field, char *_value, 
+							size_t _len));
+
+/* req: Get or set a string. */
+#define _UTS_GET	0
+#define _UTS_SET	1
+
+/* field: What field to get or set.  These values can't be changed lightly. */
+#define _UTS_ARCH	0
+#define _UTS_KERNEL	1
+#define _UTS_MACHINE	2
+#define _UTS_HOSTNAME	3
+#define _UTS_NODENAME	4
+#define _UTS_RELEASE	5
+#define _UTS_VERSION	6
+#define _UTS_SYSNAME	7
+#define _UTS_BUS	8
+#define _UTS_MAX	9	/* Number of strings. */
+#endif /* _MINIX */
+
 #endif /* _UTSNAME_H */