Xinu7/src/sys/sys/syscalls

access(name,mode)
chprio(pid,newprio)
create(procaddr,ssize,priority,name,nargs,  
freebuf(buf)
freemem(block,size)
*getbuf(poolid)
getpid()
getprio(pid)
gettime(timvar)
getutim(timvar)
kill(pid)
mkpool(bufsiz,numbufs)
pcount(portid)
pcreate(count)
pdelete(portid,dispose)
pinit(maxmsgs)
preceive(portid)
preset(portid,dispose)
psend(portid,msg)
receive()
recvclr()
recvtim(maxwait)
remove(name,key)
resume(pid)
scount(sem)
screate(count)
sdelete(sem)
send(pid,msg)
sendf(pid,msg)
setnok(nok,pid)
signal(sem)
signaln(sem,count)
sleep(n)
sleep10(n)
sreset(sem,count)
suspend(pid)
unsleep(pid)
wait(sem)