$ rabin2 -sr /bin/ls | head
fs symbols
f sym.obstack_allocated_p 56 0x000150a0
f sym.program_invocation_name 8 0x0021f600
f sym.stderr 8 0x0021f620
f sym.obstack_begin_1 21 0x00014f90
f sym.program_invocation_name 8 0x0021f600
f sym.obstack_alloc_failed_handler 8 0x0021f5c0
f sym.optarg 8 0x0021f5f8
f sym.stdout 8 0x0021f5e8
f sym.program_invocation_short_name 8 0x0021f5e0