zlib_check       1658 contrib/tools/pngfix.c static int zlib_check(struct file *file, png_uint_32 offset);
zlib_check       1683 contrib/tools/pngfix.c          return zlib_check(file, index);
zlib_check       1731 contrib/tools/pngfix.c                      return zlib_check(file, index);
zlib_check       1965 contrib/tools/pngfix.c    if (zlib_check(file, 0))