3 of 9 added 269 characters in body

C (gcc), 18 17 bytes

f(){puts('@)');}

Note that there's an ETX byte (0x03) between @ and ).

This has been tested with gcc 6.3.1 on Fedora 25 and gcc 4.8.4 on Ubuntu 14.04.4, where it prints the following output.

_libc_start_main

Although it does work in two different versions on two different distros, it's not very portable. For example, it does not work with gcc 4.8.3 on openSUSE.

Try it online!