Function at 0x64ef80
Capabilities:
Query environment variable

Disassembly:
push r15
push r14
push r13
push r12
push rbp
push rdi
push rsi
push rbx
sub rsp, 0xb8
mov r13, qword [rsp + 0x120]
xor edi, edi
mov rbx, rdx
mov r15d, ecx
mov esi, r8d
mov rbp, r9
and r15d, 0x6000
call sub.msvcrt.dll__errno
mov eax, dword [rax]
lea rcx, str.PRINTF_EXPONENT_DIGITS
mov qword [rsp + 0x80], rbx
xor ebx, ebx
mov dword [rsp + 0x88], r15d
mov dword [rsp + 0x8c], 0xffffffff
mov dword [rsp + 0x90], 0xffffffff
mov dword [rsp + 0x94], 0xfffffffd
mov dword [rsp + 0x34], eax
mov word [rsp + 0x98], bx
mov dword [rsp + 0x9c], 0
mov word [rsp + 0xa0], di
mov dword [rsp + 0xa4], 0
mov dword [rsp + 0xa8], esi
call sub.msvcrt.dll_getenv
test rax, rax
je 0x64f03c
movsx edx, byte [rax]
mov eax, 2
sub edx, 0x30
cmp edx, 2
jbe 0x64f049
call fcn.006531c0
and eax, 1
neg eax
add eax, 3
mov dword [rsp + 0xac], eax
lea rax, [rsp + 0x70]
lea r12, [rsp + 0x80]
lea rdi, [0x007c8df4]
mov qword [rsp + 0x28], rax
lea rax, [rsp + 0x6e]
mov qword [rsp + 0x38], rax
lea rax, [rsp + 0x50]
mov qword [rsp + 0x20], rax
mov eax, r15d
or ah, 2
mov dword [rsp + 0x48], eax
nop word [rax + rax]
movsx ecx, byte [rbp]
lea rbx, [rbp + 1]
mov rsi, rbx
test ecx, ecx
je 0x64f11a
cmp ecx, 0x25
jne 0x64f100
mov dword [rsp + 0x88], r15d
mov dword [rsp + 0x90], 0xffffffff
xor r10d, r10d
mov dword [rsp + 0x8c], 0xffffffff
movzx eax, byte [rbp + 1]
xor r14d, r14d
lea r11, [r12 + 0xc]
test al, al
je 0x64f25b
lea edx, [rax - 0x20]
lea rbp, [rsi + 1]
movsx ecx, al
cmp dl, 0x5a
ja case.0x64f0f6.1
movzx edx, dl
movsxd rdx, dword [rdi + rdx*4]
add rdx, rdi
jmp rdx
mov rbp, rbx
mov rdx, r12
call fcn.0064da40
movsx ecx, byte [rbp]
lea rbx, [rbp + 1]
mov rsi, rbx
test ecx, ecx
jne 0x64f09f
mov eax, dword [rsp + 0xa4]
add rsp, 0xb8
pop rbx
pop rsi
pop rdi
pop rbp
pop r12
pop r13
pop r14
pop r15
ret
sub r10d, 2
mov rax, r13
cmp r10d, 1
jbe case.0x64f0f6.51
mov rbx, qword [rax]
add r13, 8
test rbx, rbx
je 0x64f1f5
mov rcx, rbx
call sub.msvcrt.dll_strlen
mov edx, eax
mov r8, r12
mov rcx, rbx
call fcn.0064dbb0
jmp 0x64f090
test r14d, r14d
jne 0x64f183
cmp dword [rsp + 0x88], r15d
je 0x64f8b5
mov rdx, qword [r13]
lea rbx, [r13 + 8]
mov r8, r12
mov ecx, 0x78
mov r13, rbx
mov qword [rsp + 0x70], rdx
call fcn.0064dfc0
jmp 0x64f090
cmp r10d, 4
mov rax, qword [r13]
je 0x64f816
cmp r10d, 1
je 0x64f890
cmp r10d, 2
je 0x64f1cd
cmp r10d, 3
je 0x64f930
mov edx, dword [rsp + 0xa4]
add r13, 8
mov dword [rax], edx
jmp 0x64f090
mov ecx, dword [rsp + 0x34]
call sub.msvcrt.dll_strerror
test rax, rax
mov rbx, rax
jne 0x64f156
mov edx, 6
lea rbx, str._null_
jmp 0x64f160
movzx eax, byte [rsi + 1]
mov r10d, 2
mov r14d, 4
cmp al, 0x6c
jne 0x64f250
lea rbp, [rsi + 2]
movzx eax, byte [rsi + 2]
mov r10d, 3
mov r14d, 4
jmp 0x64f250
movzx eax, byte [rsi + 1]
mov r10d, 3
mov r14d, 4
test al, al
mov rsi, rbp
jne 0x64f0d9
mov rbp, rsi
jmp 0x64f090
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
or eax, 0x20
test al, 4
mov dword [rsp + 0x88], eax
je 0x64f4c8
mov rax, qword [r13]
mov rcx, qword [rsp + 0x20]
mov rdx, r12
mov r13, rbx
fld xword [rax]
fstp xword [rsp + 0x50]
call fcn.0064e940
jmp 0x64f090
movzx eax, byte [rsi + 1]
mov r10d, 1
mov r14d, 4
cmp al, 0x68
jne 0x64f250
lea rbp, [rsi + 2]
movzx eax, byte [rsi + 2]
mov r10d, 4
mov r14d, 4
jmp 0x64f250
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
or eax, 0x20
test al, 4
mov dword [rsp + 0x88], eax
je 0x64f4f8
mov rax, qword [r13]
mov rcx, qword [rsp + 0x20]
mov rdx, r12
mov r13, rbx
fld xword [rax]
fstp xword [rsp + 0x50]
call fcn.0064e850
jmp 0x64f090
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
or eax, 0x20
test al, 4
mov dword [rsp + 0x88], eax
je 0x64f528
mov rax, qword [r13]
mov rcx, qword [rsp + 0x20]
mov rdx, r12
mov r13, rbx
fld xword [rax]
fstp xword [rsp + 0x50]
call fcn.0064e7a0
jmp 0x64f090
cmp r10d, 3
je 0x64f7d2
cmp r10d, 2
nop
je 0x64f87e
mov esi, dword [r13]
cmp r10d, 1
lea rax, [r13 + 8]
mov qword [rsp + 0x70], rsi
je 0x64f8d0
cmp r10d, 4
mov r13, rax
je 0x64f921
cmp ecx, 0x75
je 0x64f463
mov rdx, qword [rsp + 0x70]
mov r8, r12
call fcn.0064dfc0
jmp 0x64f090
sub r10d, 2
mov rax, r13
mov dword [rsp + 0x90], 0xffffffff
cmp r10d, 1
jbe 0x64f550
mov eax, dword [rax]
mov rcx, qword [rsp + 0x28]
mov r8, r12
mov edx, 1
add r13, 8
mov byte [rsp + 0x70], al
call fcn.0064dbb0
jmp 0x64f090
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
or eax, 0x20
test al, 4
mov dword [rsp + 0x88], eax
je 0x64f593
mov rax, qword [r13]
mov rcx, qword [rsp + 0x20]
mov rdx, r12
mov r13, rbx
fld xword [rax]
fstp xword [rsp + 0x50]
call fcn.0064eae0
jmp 0x64f090
or dword [rsp + 0x88], 0x80
cmp r10d, 3
je 0x64f804
cmp r10d, 2
je 0x64f8a3
movsxd rax, dword [r13]
cmp r10d, 1
lea rdx, [r13 + 8]
mov qword [rsp + 0x70], rax
je 0x64f8e2
cmp r10d, 4
mov r13, rdx
je 0x64f911
mov rcx, qword [rsp + 0x70]
mov rdx, r12
call fcn.0064dd10
jmp 0x64f090
or dword [rsp + 0x88], 4
mov r14d, 4
movzx eax, byte [rsi + 1]
jmp 0x64f250
movzx eax, byte [rsi + 1]
cmp al, 0x36
je 0x64f7e4
cmp al, 0x33
je 0x64f856
mov r10d, 3
mov r14d, 4
jmp 0x64f250
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
test al, 4
jne 0x64f280
mov rcx, qword [rsp + 0x20]
fld qword [r13]
mov rdx, r12
mov r13, rbx
fstp xword [rsp + 0x50]
call fcn.0064e940
jmp 0x64f090
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
test al, 4
jne 0x64f2ed
mov rcx, qword [rsp + 0x20]
fld qword [r13]
mov rdx, r12
mov r13, rbx
fstp xword [rsp + 0x50]
call fcn.0064e850
jmp 0x64f090
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
test al, 4
jne 0x64f32d
mov rcx, qword [rsp + 0x20]
fld qword [r13]
mov rdx, r12
mov r13, rbx
fstp xword [rsp + 0x50]
call fcn.0064e7a0
jmp 0x64f090
mov dword [rsp + 0x90], 0xffffffff
mov eax, dword [r13]
mov rcx, qword [rsp + 0x28]
lea rbx, [r13 + 8]
mov r8, r12
mov edx, 1
mov r13, rbx
mov word [rsp + 0x70], ax
call fcn.0064daa0
jmp 0x64f090
mov eax, dword [rsp + 0x88]
lea rbx, [r13 + 8]
test al, 4
jne 0x64f3ff
mov rcx, qword [rsp + 0x20]
fld qword [r13]
mov rdx, r12
mov r13, rbx
fstp xword [rsp + 0x50]
call fcn.0064eae0
jmp 0x64f090
test r14d, r14d
je 0x64f7a5
cmp r14d, 4
nop dword [rax]
je 0x64f977
sub eax, 0x30
cmp al, 9
ja 0x64f977
test r14d, r14d
jne 0x64f793
mov r14d, 1
test r11, r11
je 0x64f5fa
mov eax, dword [r11]
test eax, eax
js 0x64f847
lea eax, [rax + rax*4]
lea eax, [rcx + rax*2 - 0x30]
mov dword [r11], eax
movzx eax, byte [rsi + 1]
jmp 0x64f250
cmp r14d, 1
jbe 0x64f828
movzx eax, byte [rsi + 1]
mov r14d, 4
jmp 0x64f250
test r14d, r14d
jne 0x64f5fa
or dword [rsp + 0x88], 0x400
movzx eax, byte [rsi + 1]
jmp 0x64f250
test r14d, r14d
jne 0x64f5fa
or dword [rsp + 0x88], 0x100
movzx eax, byte [rsi + 1]
jmp 0x64f250
test r14d, r14d
jne 0x64f5fa
or dword [rsp + 0x88], 0x800
movzx eax, byte [rsi + 1]
jmp 0x64f250
test r14d, r14d
jne 0x64f5fa
or dword [rsp + 0x88], 0x40
movzx eax, byte [rsi + 1]
jmp 0x64f250
test r14d, r14d
jne 0x64f5fa
mov dword [rsp + 0x4c], r10d
mov qword [rsp + 0x40], r11
or dword [rsp + 0x88], 0x1000
mov dword [rsp + 0x70], 0
call sub.msvcrt.dll_localeconv
mov r9, qword [rsp + 0x28]
mov rdx, qword [rax + 8]
mov r8d, 0x10
mov rcx, qword [rsp + 0x38]
call fcn.00652d20
test eax, eax
mov r11, qword [rsp + 0x40]
mov r10d, dword [rsp + 0x4c]
jle 0x64f6ff
movzx edx, word [rsp + 0x6e]
mov word [rsp + 0xa0], dx
mov dword [rsp + 0x9c], eax
movzx eax, byte [rsi + 1]
jmp 0x64f250
mov rdx, r12
call fcn.0064da40
jmp 0x64f090
test r11, r11
je 0x64f60d
test r14d, 0xfffffffd
jne 0x64f7c0
mov eax, dword [r13]
lea rdx, [r13 + 8]
test eax, eax
mov dword [r11], eax
js 0x64f8f5
movzx eax, byte [rsi + 1]
mov r13, rdx
xor r11d, r11d
jmp 0x64f250
mov rbx, qword [r13]
lea rax, [0x007c8dc8]
lea rsi, [r13 + 8]
mov r13, rsi
test rbx, rbx
cmove rbx, rax
mov rcx, rbx
call sub.msvcrt.dll_wcslen
mov r8, r12
mov edx, eax
mov rcx, rbx
call fcn.0064daa0
jmp 0x64f090
cmp r14d, 2
mov eax, 3
cmove r14d, eax
jmp 0x64f5e0
or dword [rsp + 0x88], 0x200
movzx eax, byte [rsi + 1]
jmp 0x64f250
movzx eax, byte [rsi + 1]
xor r11d, r11d
mov r14d, 4
jmp 0x64f250
mov rax, qword [r13]
add r13, 8
mov qword [rsp + 0x70], rax
jmp 0x64f38a
cmp byte [rsi + 2], 0x34
je 0x64f944
mov eax, 0x36
mov r10d, 3
mov r14d, 4
jmp 0x64f250
mov rax, qword [r13]
add r13, 8
mov qword [rsp + 0x70], rax
jmp 0x64f463
mov edx, dword [rsp + 0xa4]
add r13, 8
mov byte [rax], dl
jmp 0x64f090
mov dword [rsp + 0x90], 0
lea r11, [r12 + 0x10]
movzx eax, byte [rsi + 1]
mov r14d, 2
jmp 0x64f250
sub ecx, 0x30
mov dword [r11], ecx
movzx eax, byte [rsi + 1]
jmp 0x64f250
cmp byte [rsi + 2], 0x32
mov eax, 0x33
jne 0x64f4a4
lea rbp, [rsi + 3]
movzx eax, byte [rsi + 3]
mov r10d, 2
mov r14d, 4
jmp 0x64f250
mov eax, dword [r13]
add r13, 8
mov qword [rsp + 0x70], rax
jmp 0x64f38a
mov edx, dword [rsp + 0xa4]
add r13, 8
mov word [rax], dx
jmp 0x64f090
movsxd rax, dword [r13]
add r13, 8
mov qword [rsp + 0x70], rax
jmp 0x64f463
mov eax, dword [rsp + 0x48]
mov dword [rsp + 0x90], 0x10
mov dword [rsp + 0x88], eax
jmp 0x64f183
movzx edx, word [rsp + 0x70]
mov r13, rax
mov qword [rsp + 0x70], rdx
jmp 0x64f38a
movsx rax, word [rsp + 0x70]
mov r13, rdx
mov qword [rsp + 0x70], rax
jmp 0x64f463
test r14d, r14d
jne 0x64f95d
or dword [rsp + 0x88], 0x400
neg dword [rsp + 0x8c]
jmp 0x64f749
movsx rax, byte [rsp + 0x70]
mov qword [rsp + 0x70], rax
jmp 0x64f463
movzx eax, byte [rsp + 0x70]
mov qword [rsp + 0x70], rax
jmp 0x64f38a
movsxd rdx, dword [rsp + 0xa4]
add r13, 8
mov qword [rax], rdx
jmp 0x64f090
lea rbp, [rsi + 3]
movzx eax, byte [rsi + 3]
mov r10d, 3
mov r14d, 4
jmp 0x64f250
mov dword [rsp + 0x90], 0xffffffff
mov r13, rdx
movzx eax, byte [rsi + 1]
xor r11d, r11d
jmp 0x64f250
mov rdx, r12
mov ecx, 0x25
mov rbp, rbx
call fcn.0064da40
jmp 0x64f090