_IO_putc binary standard

_IO_putc('\n', 0x7f90f99127a0) = 10

_IO_putc -- alias for putc

a snapshot from the binary file ping.
@_IO_putc^@strncmp^

http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/baselib--io-putc-3.html

Borman, Frank: Christmas Greeting From Space
[audio:http://www.freeinfosociety.com/media/sounds/2515.mp3]