#include <regex.h>

#define T(t) (t*)0;

#define F(t,n) {t *y = &x.;;}

#define C(n) switch(n){case n:;}

static void f()

{

T(size_t)

T(regoff_t)

{

regex_t x;

F(size_t,re_nsub)

}

{

regmatch_t x;

F(regoff_t,rm_so)

F(regoff_t,rm_eo)

}

C(REG_EXTENDED)

C(REG_ICASE)

C(REG_NOSUB)

C(REG_NEWLINE)

C(REG_NOTBOL)

C(REG_NOTEOL)

C(REG_NOMATCH)

C(REG_BADPAT)

C(REG_ECOLLATE)

C(REG_ECTYPE)

C(REG_EESCAPE)

C(REG_ESUBREG)

C(REG_EBRACK)

C(REG_EPAREN)

C(REG_EBRACE)

C(REG_BADBR)

C(REG_ERANGE)

C(REG_ESPACE)

C(REG_BADRPT)

{int(*p)(regex_t*restrict,const char*restrict,int) = regcomp;}

{size_t(*p)(int,const regex_t*restrict,char*restrict,size_t) = regerror;}

{int(*p)(const regex_t*restrict,const char*restrict,size_t,regmatch_t[restrict],int) = regexec;}

{void(*p)(regex_t*) = regfree;}

}