=> 0x447bd0 <tr_ntop>:	mov    (%rdi),%ecx
   0x447bd2 <tr_ntop+2>:	test   %ecx,%ecx
   0x447bd4 <tr_ntop+4>:	je     0x447bf0 <tr_ntop+32>
   0x447bd6 <tr_ntop+6>:	add    $0x4,%rdi
   0x447bda <tr_ntop+10>:	mov    %edx,%ecx
   0x447bdc <tr_ntop+12>:	mov    %rsi,%rdx
   0x447bdf <tr_ntop+15>:	mov    %rdi,%rsi
   0x447be2 <tr_ntop+18>:	mov    $0xa,%edi
   0x447be7 <tr_ntop+23>:	jmpq   0x41b048 <inet_ntop@plt>
   0x447bec <tr_ntop+28>:	nopl   0x0(%rax)
   0x447bf0 <tr_ntop+32>:	add    $0x4,%rdi
   0x447bf4 <tr_ntop+36>:	mov    %edx,%ecx
   0x447bf6 <tr_ntop+38>:	mov    %rsi,%rdx
   0x447bf9 <tr_ntop+41>:	mov    %rdi,%rsi
   0x447bfc <tr_ntop+44>:	mov    $0x2,%edi
   0x447c01 <tr_ntop+49>:	jmpq   0x41b048 <inet_ntop@plt>