+clkinit &
+close &
+control &
+getc &
+getdev &
+getstdio &
+gettime &
+getutim &
+init &
+insertd &
+ioerr &
+ionull &
+ioopen &
+nopen &
+open &
+putc &
+read &
+recvtim &
+seek &
+sleep &
+sleep10 &
+sleept &
+ssclock &
+unsleep &
+wakeup &
+write
