STATE_CHECK_POS   491 ext/mbstring/oniguruma/regexec.c     int x = STATE_CHECK_POS(s,snum);\
STATE_CHECK_POS   500 ext/mbstring/oniguruma/regexec.c     int x = STATE_CHECK_POS(stk->u.state.pstr, stk->u.state.state_check);\