Function at 0x4888a0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x4c
mov dword [0x521008], 0
mov eax, dword [0x4a6044]
test eax, eax
je 0x488ae0
mov eax, dword [0x52100c]
test eax, eax
jne 0x488927
sub esp, 0xc
mov eax, dword [0x4a6044]
mov dword [0x521050], eax
mov dword [0x521040], eax
mov dword [0x521010], 0
push str.POSIXLY_CORRECT
call sub.msvcrt.dll_getenv
mov ecx, dword [ebp + 0x10]
mov dword [0x521030], eax
add esp, 0x10
mov dl, byte [ecx]
cmp dl, 0x2d
je 0x488c66
cmp dl, 0x2b
je 0x488ce2
test eax, eax
sete al
and eax, 0xff
mov dword [0x521020], eax
mov dword [0x52100c], 1
mov eax, dword [0x521010]
test eax, eax
je 0x488939
cmp byte [eax], 0
jne 0x488a24
mov ebx, dword [0x4a6044]
mov dword [ebp - 0x54], ebx
cmp dword [0x521050], ebx
jle 0x488950
mov dword [0x521050], ebx
mov edi, dword [ebp - 0x54]
cmp edi, dword [0x521040]
jge 0x488961
mov dword [0x521040], edi
mov eax, dword [0x521020]
mov dword [ebp - 0x44], eax
dec eax
je 0x488c79
mov edx, dword [ebp + 8]
cmp dword [ebp - 0x54], edx
je 0x4889cc
mov ecx, dword [ebp - 0x54]
mov ebx, dword [ebp + 0xc]
mov edx, 0x518030
mov eax, 3
mov ecx, dword [ebx + ecx*4]
mov edi, edx
cld
mov dword [ebp - 0x50], ecx
mov esi, ecx
mov ecx, eax
repe cmpsb byte [esi], byte es:[edi]
jne 0x4889ea
mov eax, dword [ebp - 0x54]
mov edx, dword [0x521050]
inc eax
cmp dword [0x521040], edx
mov dword [0x4a6044], eax
je 0x488d50
cmp eax, edx
je 0x4889bf
mov eax, ebx
call fcn.00488760
mov eax, dword [ebp + 8]
mov dword [0x521050], eax
mov dword [0x4a6044], eax
mov eax, dword [0x521040]
cmp eax, dword [0x521050]
jne 0x488e3c
or esi, 0xffffffff
lea esp, [ebp - 0xc]
mov eax, esi
pop ebx
pop esi
pop edi
pop ebp
ret
mov edi, dword [ebp - 0x50]
cmp byte [edi], 0x2d
jne 0x488cf8
mov ecx, dword [ebp - 0x50]
mov ebx, dword [ebp - 0x50]
inc ebx
mov dl, byte [ecx + 1]
test dl, dl
je 0x488cf8
mov esi, dword [ebp + 0x14]
xor eax, eax
test esi, esi
je 0x488a1c
cmp dl, 0x2d
sete al
and eax, 0xff
add ebx, eax
mov dword [0x521010], ebx
mov ebx, dword [ebp + 0x14]
test ebx, ebx
je 0x488a4d
mov eax, dword [0x4a6044]
mov edi, dword [ebp + 0xc]
mov eax, dword [edi + eax*4]
mov dl, byte [eax + 1]
cmp dl, 0x2d
je 0x488b51
mov ecx, dword [ebp + 0x1c]
test ecx, ecx
jne 0x488b38
mov ebx, dword [0x521010]
mov al, byte [ebx]
lea edi, [ebx + 1]
movsx esi, al
mov byte [ebp - 0x29], al
mov edx, esi
mov dword [ebp - 0x48], edi
mov dword [ebp - 0x4c], esi
mov eax, dword [ebp + 0x10]
mov dword [0x521010], edi
call fcn.00488730
mov edx, dword [0x4a6044]
cmp byte [ebx + 1], 1
adc edx, 0
test eax, eax
mov dword [0x4a6044], edx
je 0x488aef
cmp byte [ebp - 0x29], 0x3a
je 0x488aef
cmp byte [eax], 0x57
je 0x488fe6
mov cl, byte [eax + 1]
cmp cl, 0x3a
jne 0x4889e0
cmp byte [eax + 2], 0x3a
je 0x489136
cmp byte [edi], 0
je 0x489104
mov ecx, dword [0x4a6044]
mov dword [0x521008], edi
inc ecx
mov dword [0x4a6044], ecx
mov esi, dword [ebp - 0x4c]
mov dword [0x521010], 0
jmp 0x4889e0
mov dword [0x4a6044], 1
jmp 0x4888c9
mov edx, dword [0x4a6048]
test edx, edx
je 0x488b23
mov eax, dword [0x521030]
test eax, eax
je 0x488e49
push esi
mov edx, dword [ebp + 0xc]
mov eax, dword [edx]
push eax
push str._s:_illegal_option_____c_n
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
push eax
call fcn.00488880
add esp, 0x10
mov dword [0x4a604c], esi
mov esi, 0x3f
lea esp, [ebp - 0xc]
mov eax, esi
pop ebx
pop esi
pop edi
pop ebp
ret
cmp byte [eax + 2], 0
jne 0x488b51
movsx edx, dl
mov eax, dword [ebp + 0x10]
call fcn.00488730
test eax, eax
jne 0x488a4d
mov eax, dword [0x521010]
mov dword [ebp - 0x48], eax
mov dl, byte [eax]
mov byte [ebp - 0xd], dl
test dl, dl
je 0x488e20
mov edi, eax
cmp dl, 0x3d
je 0x488e20
inc edi
mov al, byte [edi]
test al, al
jne 0x488d24
mov ecx, dword [ebp + 0x14]
mov esi, dword [ecx]
test esi, esi
je 0x488ed1
mov ebx, edi
mov edx, dword [ebp - 0x48]
sub ebx, edx
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x14], ebx
mov ebx, ecx
mov dword [ebp - 0x38], 0
mov dword [ebp - 0x34], 0xffffffff
mov dword [ebp - 0x30], 0
jmp 0x488bc3
add ebx, 0x10
mov esi, dword [ebx]
test esi, esi
je 0x488c09
mov eax, dword [ebp - 0x30]
inc eax
mov dword [ebp - 0x30], eax
push eax
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [ebp - 0x48]
push eax
push esi
call sub.msvcrt.dll_strncmp
add esp, 0x10
test eax, eax
jne 0x488bb3
sub esp, 0xc
push esi
call sub.msvcrt.dll_strlen
add esp, 0x10
cmp eax, dword [ebp - 0x14]
je 0x488d8d
mov eax, dword [ebp - 0x3c]
test eax, eax
je 0x488d31
add ebx, 0x10
mov dword [ebp - 0x38], 1
mov esi, dword [ebx]
test esi, esi
jne 0x488bbc
mov eax, dword [ebp - 0x38]
test eax, eax
je 0x488d96
mov edi, dword [0x4a6048]
test edi, edi
jne 0x488d5a
sub esp, 0xc
mov ecx, dword [ebp - 0x48]
mov esi, 0x3f
push ecx
call sub.msvcrt.dll_strlen
mov edx, dword [ebp - 0x48]
mov dword [0x4a604c], 0
add edx, eax
mov eax, dword [0x4a6044]
mov dword [ebp - 0x48], edx
inc eax
mov ebx, dword [ebp - 0x48]
mov dword [0x4a6044], eax
mov dword [0x521010], ebx
mov eax, esi
add esp, 0x10
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
inc ecx
mov dword [0x521020], 2
mov dword [ebp + 0x10], ecx
jmp 0x48891d
mov edx, dword [0x521040]
mov eax, dword [0x521050]
cmp edx, eax
je 0x488e09
cmp dword [ebp - 0x54], eax
je 0x488ca2
mov eax, dword [ebp + 0xc]
call fcn.00488760
mov edx, dword [0x4a6044]
mov dword [ebp - 0x54], edx
mov ecx, dword [ebp - 0x54]
mov ebx, dword [ebp + 0xc]
cmp dword [ebp + 8], ecx
lea edx, [ebx + ecx*4]
jg 0x488cc1
jmp 0x488cd7
inc ecx
add edx, 4
mov dword [0x4a6044], ecx
cmp ecx, dword [ebp + 8]
je 0x488d3f
mov eax, dword [edx]
cmp byte [eax], 0x2d
jne 0x488cb2
cmp byte [eax + 1], 0
je 0x488cb2
mov edi, dword [0x4a6044]
mov dword [ebp - 0x54], edi
mov dword [0x521050], ecx
jmp 0x488970
mov eax, dword [ebp + 0x10]
mov dword [0x521020], 0
inc eax
mov dword [ebp + 0x10], eax
jmp 0x48891d
mov edi, dword [ebp - 0x44]
test edi, edi
je 0x4889dd
mov eax, dword [ebp - 0x54]
mov ebx, dword [ebp - 0x50]
inc eax
mov esi, 1
mov dword [0x4a6044], eax
mov dword [0x521008], ebx
mov eax, esi
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
cmp al, 0x3d
jne 0x488b71
jmp 0x488b7c
mov eax, dword [ebp - 0x30]
mov dword [ebp - 0x3c], ebx
mov dword [ebp - 0x34], eax
jmp 0x488bb3
mov eax, dword [ebp + 8]
mov dword [0x521050], ecx
mov dword [ebp - 0x54], eax
jmp 0x488970
mov dword [0x521040], eax
jmp 0x4889bf
mov eax, dword [0x4a6044]
mov edx, dword [ebp + 0xc]
mov esi, dword [edx + eax*4]
mov eax, dword [sym.imp.msvcrt.dll__iob]
push esi
add eax, 0x40
mov ebx, dword [edx]
push ebx
push str._s:_option___s_is_ambiguous_n
push eax
call fcn.00488880
mov ecx, dword [0x521010]
add esp, 0x10
mov dword [ebp - 0x48], ecx
jmp 0x488c22
mov eax, dword [ebp - 0x30]
mov dword [ebp - 0x3c], ebx
mov dword [ebp - 0x34], eax
mov eax, dword [ebp - 0x3c]
test eax, eax
je 0x488ed1
mov edx, dword [0x4a6044]
inc edx
mov dword [0x4a6044], edx
cmp byte [edi], 0
jne 0x488e28
mov edi, dword [ebp - 0x3c]
cmp dword [edi + 4], 1
je 0x488f4c
sub esp, 0xc
mov ecx, dword [ebp - 0x48]
push ecx
call sub.msvcrt.dll_strlen
mov edx, dword [ebp - 0x48]
add esp, 0x10
add edx, eax
mov eax, dword [ebp + 0x18]
mov dword [ebp - 0x48], edx
test eax, eax
mov ebx, dword [ebp - 0x48]
mov dword [0x521010], ebx
je 0x488def
mov edi, dword [ebp + 0x18]
mov eax, dword [ebp - 0x34]
mov dword [edi], eax
mov ecx, dword [ebp - 0x3c]
mov edx, dword [ecx + 8]
test edx, edx
je 0x488f69
mov eax, dword [ecx + 0xc]
xor esi, esi
mov dword [edx], eax
jmp 0x4889e0
cmp dword [ebp - 0x54], edx
je 0x488ca2
mov ecx, dword [ebp - 0x54]
mov dword [0x521040], ecx
jmp 0x488ca2
mov edi, dword [ebp - 0x48]
jmp 0x488b7c
mov ecx, dword [ebp - 0x3c]
mov eax, dword [ecx + 4]
test eax, eax
je 0x488e5a
lea eax, [edi + 1]
mov dword [0x521008], eax
jmp 0x488dc0
or esi, 0xffffffff
mov dword [0x4a6044], eax
jmp 0x4889e0
push esi
mov ecx, dword [ebp + 0xc]
mov eax, dword [ecx]
push eax
push str._s:_invalid_option_____c_n
jmp 0x488b12
mov edi, dword [0x4a6048]
test edi, edi
je 0x488dc0
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx + edx*4 - 4]
cmp byte [eax + 1], 0x2d
je 0x488fc2
mov edx, dword [ebp - 0x3c]
sub esp, 0xc
mov edx, dword [edx]
push edx
movsx eax, byte [eax]
push eax
mov ecx, dword [ebp + 0xc]
mov eax, dword [ecx]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
push str._s:_option___c_s_doesnt_allow_an_argument_n
push eax
call fcn.00488880
add esp, 0x20
sub esp, 0xc
mov ebx, dword [0x521010]
mov esi, 0x3f
push ebx
call sub.msvcrt.dll_strlen
add ebx, eax
add esp, 0x10
mov dword [0x521010], ebx
mov ebx, dword [ebp - 0x3c]
mov eax, dword [ebx + 0xc]
mov dword [0x4a604c], eax
jmp 0x4889e0
mov eax, dword [ebp + 0x1c]
test eax, eax
jne 0x4891ff
mov eax, dword [0x4a6048]
test eax, eax
je 0x488f21
mov eax, dword [0x4a6044]
mov edx, dword [ebp + 0xc]
mov eax, dword [edx + eax*4]
cmp byte [eax + 1], 0x2d
je 0x4890b3
sub esp, 0xc
mov esi, dword [ebp - 0x48]
push esi
movsx eax, byte [eax]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov ecx, dword [ebp + 0xc]
add eax, 0x40
mov ebx, dword [ecx]
push ebx
push str._s:_unrecognized_option___c_s_n
push eax
call fcn.00488880
add esp, 0x20
mov ecx, dword [0x4a6044]
mov esi, 0x3f
inc ecx
mov dword [0x521010], 0x51811c
mov dword [0x4a6044], ecx
mov dword [0x4a604c], 0
jmp 0x4889e0
cmp dword [ebp + 8], edx
jle 0x488f74
mov ecx, dword [ebp + 0xc]
mov eax, dword [ecx + edx*4]
mov dword [0x521008], eax
lea eax, [edx + 1]
mov dword [0x4a6044], eax
jmp 0x488dc0
mov ebx, dword [ebp - 0x3c]
mov esi, dword [ebx + 0xc]
jmp 0x4889e0
mov eax, dword [0x4a6048]
test eax, eax
jne 0x4890d5
sub esp, 0xc
mov esi, dword [ebp - 0x48]
push esi
call sub.msvcrt.dll_strlen
mov ebx, dword [ebp - 0x48]
mov edx, dword [ebp - 0x3c]
add ebx, eax
mov ecx, dword [ebp + 0x10]
mov dword [ebp - 0x48], ebx
add esp, 0x10
mov eax, dword [ebp - 0x48]
mov dword [0x521010], eax
mov eax, dword [edx + 0xc]
mov dword [0x4a604c], eax
cmp byte [ecx], 0x3a
setne al
and eax, 0xff
lea esi, [eax + eax*4 + 0x3a]
jmp 0x4889e0
mov edi, dword [ebp - 0x3c]
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
mov esi, dword [edi]
push esi
mov ecx, dword [ebx]
push ecx
push str._s:_option_____s_doesnt_allow_an_argument_n
push eax
call fcn.00488880
add esp, 0x10
jmp 0x488ea2
mov cl, byte [eax + 1]
cmp cl, 0x3b
jne 0x488a9d
cmp byte [ebx + 1], 0
je 0x4891de
mov eax, dword [0x4a6044]
mov ebx, dword [ebp - 0x48]
inc eax
mov dword [0x521008], ebx
mov dword [0x4a6044], eax
mov ebx, dword [0x521008]
mov dword [ebp - 0x48], ebx
mov dword [0x521010], ebx
mov al, byte [ebx]
test al, al
setne byte [ebp - 0x3d]
jne 0x4891b2
mov edi, dword [ebp - 0x48]
mov dword [ebp - 0x28], edi
mov ecx, dword [ebp + 0x14]
mov ebx, dword [ecx]
test ebx, ebx
je 0x48926b
mov esi, dword [ebp - 0x48]
mov edi, dword [ebp - 0x28]
sub edi, esi
mov esi, ecx
mov dword [ebp - 0x18], edi
xor edi, edi
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x1c], 0
jmp 0x489074
add esi, 0x10
mov ebx, dword [esi]
test ebx, ebx
je 0x48915d
inc edi
push edx
mov eax, dword [ebp - 0x18]
push eax
mov eax, dword [ebp - 0x48]
push eax
push ebx
call sub.msvcrt.dll_strncmp
add esp, 0x10
test eax, eax
jne 0x489066
sub esp, 0xc
push ebx
call sub.msvcrt.dll_strlen
add esp, 0x10
cmp eax, dword [ebp - 0x18]
je 0x48925e
mov eax, dword [ebp - 0x24]
test eax, eax
je 0x48912b
mov dword [ebp - 0x20], 1
jmp 0x489066
mov eax, dword [ebp - 0x48]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov edi, dword [edx]
add eax, 0x40
push edi
push str._s:_unrecognized_option_____s_n
push eax
call fcn.00488880
add esp, 0x10
jmp 0x488f21
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx + edx*4 - 4]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov edi, dword [ebx]
add eax, 0x40
push edi
push str._s:_option___s_requires_an_argument_n
push eax
call fcn.00488880
mov edi, dword [0x521010]
add esp, 0x10
mov dword [ebp - 0x48], edi
jmp 0x488f81
mov edx, dword [0x4a6044]
cmp edx, dword [ebp + 8]
je 0x489230
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx + edx*4]
mov dword [0x521008], eax
lea eax, [edx + 1]
mov dword [0x4a6044], eax
jmp 0x488acc
mov dword [ebp - 0x24], esi
mov dword [ebp - 0x1c], edi
jmp 0x489066
cmp byte [edi], 0
je 0x4891a6
mov ebx, dword [0x4a6044]
mov dword [0x521008], edi
inc ebx
mov dword [0x4a6044], ebx
mov dword [0x521010], 0
jmp 0x4889e0
mov eax, dword [ebp - 0x20]
test eax, eax
je 0x489264
mov eax, dword [0x4a6048]
test eax, eax
jne 0x489383
sub esp, 0xc
mov ebx, dword [0x521010]
push ebx
call sub.msvcrt.dll_strlen
mov esi, dword [0x4a6044]
add ebx, eax
inc esi
add esp, 0x10
mov dword [0x4a6044], esi
mov esi, 0x3f
mov dword [0x521010], ebx
jmp 0x4889e0
mov dword [0x521008], 0
jmp 0x48914e
mov dword [ebp - 0x28], ebx
cmp al, 0x3d
je 0x48902d
mov edi, dword [ebp - 0x28]
inc edi
mov dword [ebp - 0x28], edi
mov edx, dword [ebp - 0x28]
mov al, byte [edx]
test al, al
setne byte [ebp - 0x3d]
je 0x489033
cmp al, 0x3d
jne 0x4891bd
jmp 0x489033
cmp edx, dword [ebp + 8]
je 0x4893b8
mov ecx, dword [ebp + 0xc]
mov eax, dword [ecx + edx*4]
mov dword [0x521008], eax
lea eax, [edx + 1]
mov dword [0x4a6044], eax
jmp 0x489010
mov eax, dword [0x4a6044]
mov edi, dword [ebp + 0xc]
mov eax, dword [edi + eax*4]
cmp byte [eax + 1], 0x2d
je 0x488edc
movsx edx, byte [ebp - 0xd]
mov eax, dword [ebp + 0x10]
call fcn.00488730
test eax, eax
jne 0x488a4d
jmp 0x488edc
mov edx, dword [0x4a6048]
test edx, edx
jne 0x489361
mov edx, dword [ebp + 0x10]
mov dword [0x4a604c], esi
cmp byte [edx], 0x3a
setne al
and eax, 0xff
lea ecx, [eax + eax*4 + 0x3a]
mov dword [ebp - 0x4c], ecx
jmp 0x488acc
mov dword [ebp - 0x24], esi
mov dword [ebp - 0x1c], edi
mov ebx, dword [ebp - 0x24]
test ebx, ebx
jne 0x48927f
mov esi, 0x57
mov dword [0x521010], 0
jmp 0x4889e0
cmp byte [ebp - 0x3d], 0
je 0x489334
mov ecx, dword [ebp - 0x24]
mov ecx, dword [ecx + 4]
test ecx, ecx
jne 0x4892e3
mov edx, dword [0x4a6048]
test edx, edx
je 0x4892bf
mov ebx, dword [ebp - 0x24]
mov eax, dword [ebx]
push eax
mov edi, dword [ebp + 0xc]
mov eax, dword [edi]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
push str._s:_option___W__s_doesnt_allow_an_argument_n
push eax
call fcn.00488880
add esp, 0x10
sub esp, 0xc
mov ebx, dword [0x521010]
mov esi, 0x3f
push ebx
call sub.msvcrt.dll_strlen
add esp, 0x10
add ebx, eax
mov dword [0x521010], ebx
jmp 0x4889e0
mov eax, dword [ebp - 0x28]
inc eax
mov dword [0x521008], eax
sub esp, 0xc
mov eax, dword [ebp - 0x48]
push eax
call sub.msvcrt.dll_strlen
mov edi, dword [ebp - 0x48]
mov esi, dword [ebp + 0x18]
add edi, eax
add esp, 0x10
mov dword [ebp - 0x48], edi
test esi, esi
mov eax, dword [ebp - 0x48]
mov dword [0x521010], eax
je 0x48931a
mov edx, dword [ebp + 0x18]
mov ecx, dword [ebp - 0x1c]
mov dword [edx], ecx
mov ebx, dword [ebp - 0x24]
mov edx, dword [ebx + 8]
test edx, edx
je 0x4893ad
mov eax, dword [ebx + 0xc]
xor esi, esi
mov dword [edx], eax
jmp 0x4889e0
mov eax, dword [ebp - 0x24]
cmp dword [eax + 4], 1
jne 0x4892ec
mov edx, dword [0x4a6044]
cmp dword [ebp + 8], edx
jle 0x4893fb
mov ecx, dword [ebp + 0xc]
mov eax, dword [ecx + edx*4]
mov dword [0x521008], eax
lea eax, [edx + 1]
mov dword [0x4a6044], eax
jmp 0x4892ec
push esi
mov eax, dword [ebp + 0xc]
mov eax, dword [eax]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
push str._s:_option_requires_an_argument_____c_n
push eax
call fcn.00488880
add esp, 0x10
jmp 0x48923e
mov edx, dword [ebp + 0xc]
mov eax, dword [0x4a6044]
mov eax, dword [edx + eax*4]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov edi, dword [edx]
add eax, 0x40
push edi
push str._s:_option___W__s_is_ambiguous_n
push eax
call fcn.00488880
add esp, 0x10
jmp 0x489175
mov edi, dword [ebp - 0x24]
mov esi, dword [edi + 0xc]
jmp 0x4889e0
mov eax, dword [0x4a6048]
test eax, eax
je 0x4893de
push esi
mov edi, dword [ebp + 0xc]
mov eax, dword [edi]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
push str._s:_option_requires_an_argument_____c_n
push eax
call fcn.00488880
add esp, 0x10
mov eax, dword [ebp + 0x10]
mov dword [0x4a604c], esi
cmp byte [eax], 0x3a
setne al
and eax, 0xff
lea esi, [eax + eax*4 + 0x3a]
jmp 0x4889e0
mov eax, dword [0x4a6048]
test eax, eax
je 0x489425
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebx + edx*4 - 4]
push eax
mov eax, dword [ebx]
push eax
mov eax, dword [sym.imp.msvcrt.dll__iob]
add eax, 0x40
push str._s:_option___s_requires_an_argument_n
push eax
call fcn.00488880
add esp, 0x10
sub esp, 0xc
mov ebx, dword [0x521010]
push ebx
call sub.msvcrt.dll_strlen
mov edi, dword [ebp + 0x10]
add ebx, eax
mov dword [0x521010], ebx
add esp, 0x10
cmp byte [edi], 0x3a
setne al
and eax, 0xff
lea esi, [eax + eax*4 + 0x3a]
jmp 0x4889e0