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

\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
rchar: 361551
wchar: 3581
syscr: 4746
syscw: 72
read_bytes: 28672
write_bytes: 4096
cancelled_write_bytes: 0