> gcc main.c -o main 
> ldd main
    linux-vdso.so.1 (0x00007fff4e7fc000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f2b7f6bf000)
/lib64/ld-linux-x86-64.so.2 (0x00007f2b7fa76000)
