1153     size_t bufLen = 0;  in readv()  local
1164         if ((SSIZE_MAX - bufLen) < iov[i].iov_len) {  in readv()
1167         bufLen += iov[i].iov_len;  in readv()
1169     if (bufLen == 0) {  in readv()
1172     totalLen = bufLen * sizeof(char);  in readv()
1178     totalBytesRead = read(fd, buf, bufLen);  in readv()
1210     size_t bufLen = 0;  in writev()  local
1221         if ((SSIZE_MAX - bufLen) < iov[i].iov_len) {  in writev()
1225         bufLen += iov[i].iov_len;  in writev()
1227     if (bufLen == 0) {  in writev()
1230     totalLen = bufLen * sizeof(char);  in writev()
1251     totalBytesWritten = write(fd, buf, bufLen);  in writev()