No  awk::defined_in_ns3 in FUNCTAB
No  awk::defined_in_ns3 in PROCINFO["identifiers"]
Yes defined_in_ns3 in SYMTAB
Yes defined_in_ns3 in PROCINFO["identifiers"]

No  awk::awkspace5 in FUNCTAB
No  awk::awkspace5 in PROCINFO["identifiers"]
Yes awkspace5 in SYMTAB
Yes awkspace5 in PROCINFO["identifiers"]

No  ns1 in FUNCTAB
No  ns1 in PROCINFO["identifiers"]
No  ns1 in SYMTAB
No  ns1 in PROCINFO["identifiers"]

No  ns::ns1 in FUNCTAB
Yes ns::ns1 in PROCINFO["identifiers"]
Yes ns::ns1 in SYMTAB
Yes ns::ns1 in PROCINFO["identifiers"]

No  ns::ns2 in FUNCTAB
Yes ns::ns2 in PROCINFO["identifiers"]
Yes ns::ns2 in SYMTAB
Yes ns::ns2 in PROCINFO["identifiers"]

No  awkspace4 in FUNCTAB
Yes awkspace4 in PROCINFO["identifiers"]
Yes awkspace4 in SYMTAB
Yes awkspace4 in PROCINFO["identifiers"]

No  awkspace5 in FUNCTAB
Yes awkspace5 in PROCINFO["identifiers"]
Yes awkspace5 in SYMTAB
Yes awkspace5 in PROCINFO["identifiers"]

------------------------------
ARGC
ARGIND
ARGV
BINMODE
CONVFMT
ENVIRON
ERRNO
FIELDWIDTHS
FILENAME
FNR
FPAT
FS
FUNCTAB
IGNORECASE
LINT
NF
NR
OFMT
OFS
ORS
PREC
PROCINFO
RLENGTH
ROUNDMODE
RS
RSTART
RT
SUBSEP
SYMTAB
TEXTDOMAIN
and
asort
asorti
atan2
awkspace4
awkspace5
bindtextdomain
close
compl
cos
dcgettext
dcngettext
defined_in_ns3
exp
fflush
gensub
gsub
i
index
int
isarray
length
list
log
lshift
match
mktime
n
ns::ns1
ns::ns2
or
patsplit
rand
rshift
sin
split
sprintf
sqrt
srand
strftime
strtonum
sub
substr
system
systime
test
tolower
toupper
typeof
var
xor
yesno