=> 0xa27313 <strchrnul+99>:	mov    (%eax),%ecx
   0xa27315 <strchrnul+101>:	xor    %edx,%ecx
   0xa27317 <strchrnul+103>:	mov    $0xfefefeff,%edi
   0xa2731c <strchrnul+108>:	add    %ecx,%edi
   0xa2731e <strchrnul+110>:	jae    0xa273ef <strchrnul+319>
   0xa27324 <strchrnul+116>:	xor    %ecx,%edi
   0xa27326 <strchrnul+118>:	or     $0xfefefeff,%edi
   0xa2732c <strchrnul+124>:	inc    %edi
   0xa2732d <strchrnul+125>:	jne    0xa273ef <strchrnul+319>
   0xa27333 <strchrnul+131>:	xor    %edx,%ecx
   0xa27335 <strchrnul+133>:	mov    $0xfefefeff,%edi
   0xa2733a <strchrnul+138>:	add    %ecx,%edi
   0xa2733c <strchrnul+140>:	jae    0xa273ef <strchrnul+319>
   0xa27342 <strchrnul+146>:	xor    %ecx,%edi
   0xa27344 <strchrnul+148>:	or     $0xfefefeff,%edi
   0xa2734a <strchrnul+154>:	inc    %edi