- break
- case
- continue
- default
- do
- else
- exit
- for
- if
- return
- switch
- while
- @include
- @load
- delete
- function
- getline
- in
- next
- nextfile
- print
- printf
- 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
- bindtextdomain
- close
- compl
- cos
- dcgettext
- dcngettext
- exp
- fflush
- gensub
- gsub
- index
- int
- isarray
- length
- log
- lshift
- match
- mktime
- or
- patsplit
- rand
- rshift
- sin
- split
- sprintf
- sqrt
- srand
- strftime
- strtonum
- sub
- substr
- system
- systime
- tolower
- toupper
- typeof
- xor
- BEGIN
- BEGINFILE
- END
- ENDFILE
- alnum
- alpha
- blank
- cntrl
- digit
- graph
- lower
- print
- punct
- space
- upper
- xdigit