47    struct z_stream_s zstream;  in zlib_inflate()  local
51    memset(&zstream, 0, sizeof(zstream));  in zlib_inflate()
53    zstream.next_in = (unsigned char *)*ptr;  in zlib_inflate()
54    zstream.avail_in = 4*len;  in zlib_inflate()
56    if (inflateInit(&zstream) != Z_OK)  in zlib_inflate()
60    zstream.next_out = out;  in zlib_inflate()
61    zstream.avail_out = out_size;  in zlib_inflate()
64       switch (inflate(&zstream, Z_SYNC_FLUSH)) {  in zlib_inflate()
70          inflateEnd(&zstream);  in zlib_inflate()
74       if (zstream.avail_out)  in zlib_inflate()
77       out = realloc(out, 2*zstream.total_out);  in zlib_inflate()
79          inflateEnd(&zstream);  in zlib_inflate()
83       zstream.next_out = (unsigned char *)out + zstream.total_out;  in zlib_inflate()
84       zstream.avail_out = zstream.total_out;  in zlib_inflate()
87    inflateEnd(&zstream);  in zlib_inflate()
90    return zstream.total_out / 4;  in zlib_inflate()