onigenc_mbclen_approximate  312 include/ruby/oniguruma.h int onigenc_mbclen_approximate P_((const OnigUChar* p,const OnigUChar* e, const struct OnigEncodingTypeST* enc));
onigenc_mbclen_approximate  314 include/ruby/oniguruma.h #define ONIGENC_MBC_ENC_LEN(enc,p,e)           onigenc_mbclen_approximate(p,e,enc)