onigenc_step      169 ext/mbstring/oniguruma/regenc.h onigenc_step P_((OnigEncoding enc, const UChar* p, const UChar* end, int n));
onigenc_step     3952 ext/mbstring/oniguruma/regparse.c       p = (UChar* )onigenc_step(enc, p, end, pb->len);