74     z_streamp zstream = &vs->zrle->stream;  in zrle_compress_data()  local
78     if (zstream->opaque != vs) {  in zrle_compress_data()
81         zstream->zalloc = vnc_zlib_zalloc;  in zrle_compress_data()
82         zstream->zfree = vnc_zlib_zfree;  in zrle_compress_data()
84         err = deflateInit2(zstream, level, Z_DEFLATED, MAX_WBITS,  in zrle_compress_data()
92         zstream->opaque = vs;  in zrle_compress_data()
99     zstream->next_in = vs->zrle->zrle.buffer;  in zrle_compress_data()
100     zstream->avail_in = vs->zrle->zrle.offset;  in zrle_compress_data()
101     zstream->next_out = vs->zrle->zlib.buffer;  in zrle_compress_data()
102     zstream->avail_out = vs->zrle->zlib.capacity;  in zrle_compress_data()
103     zstream->data_type = Z_BINARY;  in zrle_compress_data()
106     if (deflate(zstream, Z_SYNC_FLUSH) != Z_OK) {  in zrle_compress_data()
111     vs->zrle->zlib.offset = vs->zrle->zlib.capacity - zstream->avail_out;  in zrle_compress_data()