onigenc_strlen    446 ext/mbstring/oniguruma/oniguruma.h int onigenc_strlen P_((OnigEncoding enc, const OnigUChar* p, const OnigUChar* end));
onigenc_strlen   4415 ext/mbstring/oniguruma/regcomp.c           n = onigenc_strlen(env->enc, sn->s, sn->end);
onigenc_strlen   3792 ext/mbstring/oniguruma/regparse.c   if (onigenc_strlen(enc, p, end) < POSIX_BRACKET_NAME_MAX_LEN + 2)
onigenc_strlen   3852 ext/mbstring/oniguruma/regparse.c   len = onigenc_strlen(enc, p, end);