719     mbstate_t mbs;  in wcsconv()  local
727       memset(&mbs, 0, sizeof(mbs));  in wcsconv()
729       nbytes = wcsrtombs(nullptr, (const wchar_t**)&p, 0, &mbs);  in wcsconv()
740         memset(&mbs, 0, sizeof(mbs));  in wcsconv()
742           clen = wcrtomb(buf, *p++, &mbs);  in wcsconv()
753     memset(&mbs, 0, sizeof(mbs));  in wcsconv()
754     if ((nbytes = wcsrtombs(convbuf, (const wchar_t**)&p, nbytes, &mbs)) == (size_t)-1) {  in wcsconv()
768     mbstate_t mbs = {};  in xfputwc()  local
769     size_t len = wcrtomb(buf, wc, &mbs);  in xfputwc()
794     mbstate_t mbs;  in mbsconv()  local
805       bzero(&mbs, sizeof(mbs));  in mbsconv()
807         nconv = mbrlen(p, MB_CUR_MAX, &mbs);  in mbsconv()
825     bzero(&mbs, sizeof(mbs));  in mbsconv()
828       nconv = mbrtowc(wcp, p, insize, &mbs);  in mbsconv()