#ifndef ISO
type regex_t
element regex_t size_t re_nsub

type regoff_t

type regmatch_t
element regmatch_t regoff_t rm_so
element regmatch_t regoff_t rm_eo

constant REG_EXTENDED
constant REG_ICASE
constant REG_NOSUB
constant REG_NEWLINE

constant REG_NOTBOL
constant REG_NOTEOL

constant REG_NOMATCH
constant REG_BADPAT
constant REG_ECOLLATE
constant REG_ECTYPE
constant REG_EESCAPE
constant REG_ESUBREG
constant REG_EBRACK
constant REG_EPAREN
constant REG_EBRACE
constant REG_BADBR
constant REG_ESPACE
constant REG_BADRPT
# if !defined XOPEN2K8 && !defined POSIX2008
constant REG_ENOSYS
# endif

function int regcomp (regex_t*, const char*, int)
function int regexec (const regex_t*, const char*, size_t, regmatch_t[], int)
function size_t regerror (int, const regex_t*, char*, size_t)
function void regfree (regex_t*)

allow REG_*
allow re_*
allow rm_*
allow *_t
#endif