63   z_stream d_stream; /* decompression stream */  in test_sync()  local
65   d_stream.zalloc = zalloc;  in test_sync()
66   d_stream.zfree = zfree;  in test_sync()
67   d_stream.opaque = (void *)0;  in test_sync()
69   d_stream.next_in = compr;  in test_sync()
70   d_stream.avail_in = 2; /* just read the zlib header */  in test_sync()
72   err = inflateInit(&d_stream);  in test_sync()
75   d_stream.next_out = uncompr;  in test_sync()
76   d_stream.avail_out = (unsigned int)uncomprLen;  in test_sync()
78   err = inflate(&d_stream, Z_NO_FLUSH);  in test_sync()
81   d_stream.avail_in = (unsigned int)comprLen - 2; /* read all compressed data */  in test_sync()
82   err = inflateSync(&d_stream); /* but skip the damaged part */  in test_sync()
85   err = inflate(&d_stream, Z_FINISH);  in test_sync()
91   err = inflateEnd(&d_stream);  in test_sync()