bg begin
bk bucket
cn connection
ct count
cx context
cy cycles
dn destination
dt data
ed end
ev event
fl file
fn function
hd header
hv http-version
lh list header
ln line
ls list
mj major
mn minor
nm name
ns nanoseconds
nx next
pl pool
ps position
pv previous
rd read
rg range
rl request-line
rq request
ru request-uri
sc source
sk stack
sp stack pointer
sr sub-range
st statistic
sz size
td thread
to timeout
tg tag
ts timestamp
us microseconds
wr write
vl value