\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
 PNG

\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
rchar: 1919321665
wchar: 1331240030
syscr: 583951
syscw: 164358
read_bytes: 18132992
write_bytes: 4096
cancelled_write_bytes: 0