Incorporate bsdmake into buildsystem and reorganize libs

lib/libsys/sys_vtimer.c

@@ -0,0 +1,28 @@
+#include "syslib.h"
+
+PUBLIC int sys_vtimer(proc, which, newval, oldval)
+endpoint_t proc;		/* proc to retrieve/set the timer for */
+int which;			/* timer to retrieve/set */
+clock_t *newval;		/* if non-NULL, set to this new value */
+clock_t *oldval;		/* if non-NULL, old value is stored here */
+{
+  message m;
+  int r;
+
+  m.VT_ENDPT = proc;
+  m.VT_WHICH = which;
+  if (newval != NULL) {
+      m.VT_SET = 1;
+      m.VT_VALUE = *newval;
+  } else {
+      m.VT_SET = 0;
+  }
+
+  r = _kernel_call(SYS_VTIMER, &m);
+
+  if (oldval != NULL) {
+      *oldval = m.VT_VALUE;
+  }
+
+  return(r);
+}