(gdb) info functions
All defined functions:
Non-debugging symbols:
0x56556000 _init
0x56556030 printf@plt
0x56556040 gets@plt
0x56556050 puts@plt
0x56556060 __libc_start_main@plt
0x56556070 __cxa_finalize@plt
0x56556080 _start
0x565560c0 __x86.get_pc_thunk.bx
0x565560d0 deregister_tm_clones
0x56556110 register_tm_clones
0x56556160 __do_global_dtors_aux
0x565561b0 frame_dummy
0x565561b5 __x86.get_pc_thunk.dx
0x565561b9 hacker
0x565561e4 inSecure
0x56556233 main
0x5655624f __x86.get_pc_thunk.ax
0x56556260 __libc_csu_init
0x565562c0 __libc_csu_fini
0x565562c4 _fini