DBsingle
DBsub
DBtrace
-allgvs
ampergv
argvgv
argvoutgv
cddir
chopset
copline
-curblock
curcop
curcopdb
-curcsv
curpm
curstack
curstash
formfeed
formtarget
gensym
+globalstash
in_eval
incgv
initav
inplace
last_in_gv
lastfd
-lastretstr
lastscream
lastsize
lastspbase
multiline
mystrk
nrs
-nthreads
-nthreads_cond
ofmt
ofs
ofslen
restartop
rightgv
rs
-runlevel
sawampersand
sawstudy
sawvec
sv_arenaroot
tainted
tainting
+threadnum
thrsv
-threads_mutex
tmps_floor
tmps_ix
tmps_max