718     char* convbuf;  in wcsconv()  local
745     if ((convbuf = static_cast<char*>(malloc(nbytes + 1))) == nullptr) return nullptr;  in wcsconv()
750     if ((nbytes = wcsrtombs(convbuf, (const wchar_t**)&p, nbytes, &mbs)) == (size_t)-1) {  in wcsconv()
751       free(convbuf);  in wcsconv()
754     convbuf[nbytes] = '\0';  in wcsconv()
755     return convbuf;  in wcsconv()
817     wchar_t* convbuf = static_cast<wchar_t*>(calloc(insize + 1, sizeof(*convbuf)));  in mbsconv()  local
818     if (convbuf == nullptr) return nullptr;  in mbsconv()
819     wchar_t* wcp = convbuf;  in mbsconv()
831       free(convbuf);  in mbsconv()
836     return convbuf;  in mbsconv()