- __gnu__
- __os2__
- __unix__
- __windows__
- os2
- unix
- windows
- m4___gnu__
- m4___os2__
- m4___unix__
- m4___windows__
- m4_os2
- m4_unix
- m4_windows
- __file__
- __line__
- __program__
- builtin
- changecom
- changequote
- changeword
- debugfile
- debugmode
- decr
- define
- defn
- divert
- divnum
- dnl
- dumpdef
- errprint
- esyscmd
- eval
- format
- ifdef
- ifelse
- include
- incr
- index
- indir
- len
- m4exit
- m4wrap
- maketemp
- mkstemp
- patsubst
- popdef
- pushdef
- regexp
- shift
- sinclude
- substr
- syscmd
- sysval
- traceoff
- traceon
- translit
- undefine
- undivert
- m4___file__
- m4___line__
- m4___program__
- m4_builtin
- m4_changecom
- m4_changequote
- m4_changeword
- m4_debugfile
- m4_debugmode
- m4_decr
- m4_define
- m4_defn
- m4_divert
- m4_divnum
- m4_dnl
- m4_dumpdef
- m4_errprint
- m4_esyscmd
- m4_eval
- m4_format
- m4_ifdef
- m4_ifelse
- m4_include
- m4_incr
- m4_index
- m4_indir
- m4_len
- m4_m4exit
- m4_m4wrap
- m4_maketemp
- m4_mkstemp
- m4_patsubst
- m4_popdef
- m4_pushdef
- m4_regexp
- m4_shift
- m4_sinclude
- m4_substr
- m4_syscmd
- m4_sysval
- m4_traceoff
- m4_traceon
- m4_translit
- m4_undefine
- m4_undivert