CURLcode/int cleanup to reduce IRIX warnings

{

  struct Curl_transfer_keeper *k = &conn->keep;

  struct SessionHandle *data = conn->data;

  int result;

  CURLcode result;

  ssize_t nread; /* number of bytes read */

  int didwhat=0;

          data->set.buffer_size:BUFSIZE -1;

        /* receive data from the network! */

        result = Curl_read(conn, conn->sockfd, k->buf, buffersize, &nread);

        int readrc = Curl_read(conn, conn->sockfd, k->buf, buffersize, &nread);

        if(0>result)

        /* subzero, this would've blocked */

        if(0>readrc)

          break; /* get out of loop */

        /* get the CURLcode from the int */

        result = (CURLcode)readrc;

        if(result>0)

          return result;

            if(k->badheader < HEADER_ALLBAD) {

              /* This switch handles various content encodings. If there's an

                 error here, be sure to check over the almost identical code

                 in http_chunks.c. 08/29/02 jhrg

                 in http_chunks.c.

                 Make sure that ALL_CONTENT_ENCODINGS contains all the

                 encodings handled here. */

#ifdef HAVE_LIBZ

#endif

                /* This is the default when the server sends no

                   Content-Encoding header. See Curl_readwrite_init; the

                   memset() call initializes k->content_encoding to zero.

                   08/28/02 jhrg */

                   memset() call initializes k->content_encoding to zero. */

                if(!k->ignorebody)

                  result = Curl_client_write(data, CLIENTWRITE_BODY, k->str, 

                                             nread);

                result = Curl_unencode_gzip_write(data, k, nread);

                break;

              case COMPRESS:          /* FIXME 08/27/02 jhrg */

              case COMPRESS:

              default:

                failf (data, "Unrecognized content encoding type. "

                       "libcurl understands `identity', `deflate' and `gzip' "