ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<video_stream_info>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%r12
  mov    %esi,%r13d
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  call   <ftell@plt>
  mov    %eax,%r14d
  lea    -0x8(%r13),%edx
  movslq %edx,%rax
  add    $0xf,%rax
  mov    %rax,%rsi
  and    $0xfffffffffffffff0,%rsi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L9:
  cmp    %rcx,%rsp
  je     L25
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L9
L25:
  mov    %rsi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L12
  orq    $0x0,-0x8(%rsp,%rax,1)
L12:
  mov    %rsp,%rax
  test   %edx,%edx
  jle    L47
  mov    %rax,%rbx
  lea    -0x9(%r13),%edx
  lea    0x1(%rax,%rdx,1),%r13
L18:
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    %rbx,%rdi
  call   <fread@plt>
  add    $0x1,%rbx
  cmp    %r13,%rbx
  jne    L18
L47:
  mov    D4(%rip),%rax
  mov    (%rax),%edx
  mov    %r14d,%esi
  mov    %r12,%rdi
  call   <fseek@plt>
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  lea    -0x20(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %rbp
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void video_stream_info(FILE *f, int len) {
  int orig_pos = ftell(f);
  unsigned char data[len - 8];
  int i;
  len -= 8;
  for (i = 0; i < len; i++)
    fread(&data[i], 1, 1, f);
  fseek(f, orig_pos, SEEK_SET);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<video_stream_info>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r14
  push   %r13
  mov    %esi,%r13d
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  call   <ftell@plt>
  lea    -0x8(%r13),%ecx
  mov    %rsp,%rsi
  mov    %eax,%r14d
  movslq %ecx,%rax
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rsi
  and    $0xfffffffffffffff0,%rdx
  cmp    %rsi,%rsp
  je     L32
L19:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rsi,%rsp
  jne    L19
L32:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L54
L26:
  test   %ecx,%ecx
  jle    L38
  lea    -0x9(%r13),%eax
  mov    %rsp,%rbx
  lea    0x1(%rsp,%rax,1),%r13
  cs nopw 0x0(%rax,%rax,1)
L43:
  mov    %rbx,%rdi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  call   <fread@plt>
  add    $0x1,%rbx
  cmp    %r13,%rbx
  jne    L43
L38:
  mov    D1(%rip),%rax
  mov    %r14d,%esi
  mov    %r12,%rdi
  mov    (%rax),%edx
  call   <fseek@plt>
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L68
  lea    -0x20(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %rbp
  ret
  xchg   %ax,%ax
L54:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L26
L68:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void video_stream_info(FILE *f, int len) {
  int orig_pos = ftell(f);
  unsigned char data[len - 8];
  int i;
  len -= 8;
  for (i = 0; i < len; i++)
    fread(&data[i], 1, 1, f);
  fseek(f, orig_pos, SEEK_SET);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<video_stream_info>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r14
  push   %r13
  mov    %esi,%r13d
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  call   <ftell@plt>
  lea    -0x8(%r13),%ecx
  mov    %rsp,%rsi
  mov    %eax,%r14d
  movslq %ecx,%rax
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rsi
  and    $0xfffffffffffffff0,%rdx
  cmp    %rsi,%rsp
  je     L54
L3:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rsi,%rsp
  jne    L3
L54:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L58
L49:
  test   %ecx,%ecx
  jle    L23
  lea    -0x9(%r13),%eax
  mov    %rsp,%rbx
  lea    0x1(%rsp,%rax,1),%r13
  cs nopw 0x0(%rax,%rax,1)
L16:
  mov    %rbx,%rdi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  call   <fread@plt>
  add    $0x1,%rbx
  cmp    %r13,%rbx
  jne    L16
L23:
  mov    D0(%rip),%rax
  mov    %r14d,%esi
  mov    %r12,%rdi
  mov    (%rax),%edx
  call   <fseek@plt>
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L63
  lea    -0x20(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %rbp
  ret
  xchg   %ax,%ax
L58:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L49
L63:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void video_stream_info(FILE *f, int len) {
  int orig_pos = ftell(f);
  unsigned char data[len - 8];
  int i;
  len -= 8;
  for (i = 0; i < len; i++)
    fread(&data[i], 1, 1, f);
  fseek(f, orig_pos, SEEK_SET);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<ocfs2_set_bit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x14(%rbp),%eax
  sar    $0x3,%eax
  cltq
  add    %rax,-0x8(%rbp)
  mov    -0x14(%rbp),%eax
  and    $0x7,%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    -0x10(%rbp),%eax
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%eax
  or     %edx,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0xc(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int ocfs2_set_bit(int nr, void *addr) {
  int mask, retval;
  unsigned char *ADDR = (unsigned char *)addr;
  ADDR += nr >> 3;
  mask = 1 << (nr & 0x07);
  retval = (mask & *ADDR) != 0;
  *ADDR |= mask;
  return retval;
}
```
user: Translate the below assembly code into C programming language:

```asm
<ocfs2_set_bit>:
  endbr64
  mov    %edi,%ecx
  mov    %edi,%eax
  sar    $0x3,%eax
  cltq
  add    %rax,%rsi
  and    $0x7,%ecx
  mov    $0x1,%eax
  shl    %cl,%eax
  movzbl (%rsi),%edx
  mov    %edx,%ecx
  or     %eax,%ecx
  mov    %cl,(%rsi)
  movzbl %dl,%edx
  test   %eax,%edx
  setne  %al
  movzbl %al,%eax
  ret
```

assistant: ```c
int ocfs2_set_bit(int nr, void *addr) {
  int mask, retval;
  unsigned char *ADDR = (unsigned char *)addr;
  ADDR += nr >> 3;
  mask = 1 << (nr & 0x07);
  retval = (mask & *ADDR) != 0;
  *ADDR |= mask;
  return retval;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<ocfs2_set_bit>:
  endbr64
  mov    %edi,%eax
  mov    %edi,%ecx
  sar    $0x3,%eax
  and    $0x7,%ecx
  cltq
  add    %rax,%rsi
  mov    $0x1,%eax
  movzbl (%rsi),%edx
  shl    %cl,%eax
  mov    %edx,%ecx
  or     %eax,%ecx
  test   %eax,%edx
  setne  %al
  mov    %cl,(%rsi)
  movzbl %al,%eax
  ret
```

assistant: ```c
int ocfs2_set_bit(int nr, void *addr) {
  int mask, retval;
  unsigned char *ADDR = (unsigned char *)addr;
  ADDR += nr >> 3;
  mask = 1 << (nr & 0x07);
  retval = (mask & *ADDR) != 0;
  *ADDR |= mask;
  return retval;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

assistant: ```c
main() {
  int a[4];
  __typeof(a) b;
  __typeof(int[4]) c;
  _Static_assert(sizeof(a) + sizeof(b) + sizeof(c) == 3 * 4 * sizeof(int), "array not propagated in __typeof()");
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  mov    $0x0,%eax
  ret
```

assistant: ```c
main() {
  int a[4];
  __typeof(a) b;
  __typeof(int[4]) c;
  _Static_assert(sizeof(a) + sizeof(b) + sizeof(c) == 3 * 4 * sizeof(int), "array not propagated in __typeof()");
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
main() {
  int a[4];
  __typeof(a) b;
  __typeof(int[4]) c;
  _Static_assert(sizeof(a) + sizeof(b) + sizeof(c) == 3 * 4 * sizeof(int), "array not propagated in __typeof()");
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
main() {
  int a[4];
  __typeof(a) b;
  __typeof(int[4]) c;
  _Static_assert(sizeof(a) + sizeof(b) + sizeof(c) == 3 * 4 * sizeof(int), "array not propagated in __typeof()");
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0xf4255,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <isPalindrome@plt>
  mov    %eax,%esi
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
datatype: string

tool: D7: %d


assistant: ```c
int main() {
  int test = 1000021;
  printf("%d\n", isPalindrome(test));
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0xf4255,%edi
  call   <isPalindrome@plt>
  mov    %eax,%esi
  lea    D4(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D4
type_infered: string

tool: D4: %d


assistant: ```c
int main() {
  int test = 1000021;
  printf("%d\n", isPalindrome(test));
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0xf4255,%edi
  call   <isPalindrome@plt>
  lea    D5(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: retrieve_data
arguments: label: D5
datatype: string

tool: D5: %d


assistant: ```c
int main() {
  int test = 1000021;
  printf("%d\n", isPalindrome(test));
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0xf4255,%edi
  call   <isPalindrome@plt>
  lea    D1(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: data_label: D1
data_type: string

tool: D1: %d


assistant: ```c
int main() {
  int test = 1000021;
  printf("%d\n", isPalindrome(test));
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<legendre_dreieck_free>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int legendre_dreieck_free(double ***lf_anker) {
  double *pd;
  double **lf_matrix;
  lf_matrix = *lf_anker;
  pd = *lf_matrix;
  free(lf_matrix);
  free(pd);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<legendre_dreieck_free>:
  endbr64
  push   %rbx
  mov    (%rdi),%rdi
  mov    (%rdi),%rbx
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

assistant: ```c
int legendre_dreieck_free(double ***lf_anker) {
  double *pd;
  double **lf_matrix;
  lf_matrix = *lf_anker;
  pd = *lf_matrix;
  free(lf_matrix);
  free(pd);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<legendre_dreieck_free>:
  endbr64
  push   %rbp
  mov    (%rdi),%rdi
  mov    (%rdi),%rbp
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
int legendre_dreieck_free(double ***lf_anker) {
  double *pd;
  double **lf_matrix;
  lf_matrix = *lf_anker;
  pd = *lf_matrix;
  free(lf_matrix);
  free(pd);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<legendre_dreieck_free>:
  endbr64
  push   %rbp
  mov    (%rdi),%rdi
  mov    (%rdi),%rbp
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
int legendre_dreieck_free(double ***lf_anker) {
  double *pd;
  double **lf_matrix;
  lf_matrix = *lf_anker;
  pd = *lf_matrix;
  free(lf_matrix);
  free(pd);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<foo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  setne  %al
  movzbl %al,%edx
  cmpq   $0x0,-0x20(%rbp)
  setne  %al
  movzbl %al,%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x2,-0x4(%rbp)
  jne    L11
  lea    D5(%rip),%rax
  jmp    L13
L11:
  mov    $0x0,%eax
L13:
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D5
data_type: string

tool: D5: a

assistant: ```c
char *foo(char *p, char *q) {
  int x = (p != 0) + (q != 0);
  if (x == 2)
    return "a";
  else
    return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<foo>:
  endbr64
  test   %rdi,%rdi
  setne  %al
  movzbl %al,%eax
  cmp    $0x1,%rsi
  sbb    $0xffffffff,%eax
  cmp    $0x2,%eax
  lea    D1(%rip),%rax
  mov    $0x0,%edx
  cmovne %rdx,%rax
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D1
data_type: string

tool: D1: a

assistant: ```c
char *foo(char *p, char *q) {
  int x = (p != 0) + (q != 0);
  if (x == 2)
    return "a";
  else
    return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<foo>:
  endbr64
  xor    %eax,%eax
  test   %rdi,%rdi
  mov    $0x0,%edx
  setne  %al
  cmp    $0x1,%rsi
  sbb    $0xffffffff,%eax
  cmp    $0x2,%eax
  lea    D1(%rip),%rax
  cmovne %rdx,%rax
  ret
```

tool_calls: name: parse_data
arguments: tag: D1
datatype: string

tool: D1: a

assistant: ```c
char *foo(char *p, char *q) {
  int x = (p != 0) + (q != 0);
  if (x == 2)
    return "a";
  else
    return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<foo>:
  endbr64
  xor    %eax,%eax
  test   %rdi,%rdi
  mov    $0x0,%edx
  setne  %al
  cmp    $0x1,%rsi
  sbb    $0xffffffff,%eax
  cmp    $0x2,%eax
  lea    D5(%rip),%rax
  cmovne %rdx,%rax
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D5
type: string

tool: D5: a

assistant: ```c
char *foo(char *p, char *q) {
  int x = (p != 0) + (q != 0);
  if (x == 2)
    return "a";
  else
    return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<anonymize>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %edi,-0x74(%rbp)
  mov    %rsi,-0x80(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x74(%rbp),%eax
  mov    %eax,%edi
  call   <ntohl@plt>
  mov    %eax,-0x74(%rbp)
  movl   $0x0,-0x68(%rbp)
  movl   $0x0,-0x64(%rbp)
  jmp    L26
L3:
  mov    -0x64(%rbp),%eax
  mov    %eax,%edi
  call   <first_n_bit_mask@plt>
  and    -0x74(%rbp),%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %eax,-0x58(%rbp)
  mov    -0x64(%rbp),%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %eax,-0x54(%rbp)
  cmpq   $0x0,-0x80(%rbp)
  jne    L5
  lea    -0x50(%rbp),%rax
  mov    %rax,-0x80(%rbp)
L5:
  lea    -0x50(%rbp),%rcx
  lea    -0x58(%rbp),%rdx
  mov    -0x80(%rbp),%rax
  mov    $0x8,%esi
  mov    %rax,%rdi
  call   <hmac_md5@plt>
  mov    -0x50(%rbp),%eax
  and    $0x1,%eax
  mov    %eax,-0x60(%rbp)
  mov    -0x64(%rbp),%eax
  mov    $0x80000000,%edx
  mov    %eax,%ecx
  shr    %cl,%edx
  mov    %edx,%eax
  mov    %eax,-0x5c(%rbp)
  mov    $0x1f,%eax
  sub    -0x64(%rbp),%eax
  mov    -0x60(%rbp),%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    -0x74(%rbp),%eax
  and    -0x5c(%rbp),%eax
  xor    %edx,%eax
  or     %eax,-0x68(%rbp)
  addl   $0x1,-0x64(%rbp)
L26:
  cmpl   $0x1f,-0x64(%rbp)
  jle    L3
  mov    -0x68(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L19
  call   <__stack_chk_fail@plt>
L19:
  leave
  ret
```

assistant: ```c
in_addr_t anonymize(in_addr_t a, u_char *anon_key) {
  a = ntohl(a);
  struct {
    in_addr_t prefix;
    int len;
  } prefix;
  in_addr_t output = 0;
  int i;
  for (i = 0; i < 32; ++i) {
    prefix.prefix = htonl(a & first_n_bit_mask(i));
    prefix.len = htonl(i);
    u_char digest[16];
    if (anon_key == NULL) {
      u_char key[16];
      anon_key = key;
    }
    hmac_md5(anon_key, sizeof(prefix), (u_char *)(&prefix), digest);
    int flip = digest[0] & 1;
    in_addr_t bit_mask = 1 << (31 - i);
    output = output | ((flip << (31 - i)) ^ (a & bit_mask));
  }
  return output;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<anonymize>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xa0,%rsp
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x98(%rsp)
  xor    %eax,%eax
  call   <ntohl@plt>
  mov    %eax,%r12d
  mov    $0x0,%ebx
  mov    $0x0,%r13d
  lea    0x50(%rsp),%r14
L10:
  mov    %ebx,%edi
  call   <first_n_bit_mask@plt>
  and    %r12d,%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %eax,0x8(%rsp)
  mov    %ebx,%edi
  call   <htonl@plt>
  mov    %eax,0xc(%rsp)
  test   %rbp,%rbp
  cmove  %r14,%rbp
  lea    0x10(%rsp),%rcx
  lea    0x8(%rsp),%rdx
  mov    $0x8,%esi
  mov    %rbp,%rdi
  call   <hmac_md5@plt>
  mov    0x10(%rsp),%eax
  and    $0x1,%eax
  mov    $0x1f,%ecx
  sub    %ebx,%ecx
  shl    %cl,%eax
  mov    $0x80000000,%edx
  mov    %ebx,%ecx
  shr    %cl,%edx
  and    %r12d,%edx
  xor    %edx,%eax
  or     %eax,%r13d
  add    $0x1,%ebx
  cmp    $0x20,%ebx
  jne    L10
  mov    0x98(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  mov    %r13d,%eax
  add    $0xa0,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
in_addr_t anonymize(in_addr_t a, u_char *anon_key) {
  a = ntohl(a);
  struct {
    in_addr_t prefix;
    int len;
  } prefix;
  in_addr_t output = 0;
  int i;
  for (i = 0; i < 32; ++i) {
    prefix.prefix = htonl(a & first_n_bit_mask(i));
    prefix.len = htonl(i);
    u_char digest[16];
    if (anon_key == NULL) {
      u_char key[16];
      anon_key = key;
    }
    hmac_md5(anon_key, sizeof(prefix), (u_char *)(&prefix), digest);
    int flip = digest[0] & 1;
    in_addr_t bit_mask = 1 << (31 - i);
    output = output | ((flip << (31 - i)) ^ (a & bit_mask));
  }
  return output;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<anonymize>:
  endbr64
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0xb8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xa8(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%r14
  lea    0x18(%rsp),%r13
  call   <ntohl@plt>
  mov    %eax,%ebx
  lea    0x60(%rsp),%rax
  mov    %rax,0x8(%rsp)
  nopl   0x0(%rax)
L3:
  mov    %r15d,%edi
  call   <first_n_bit_mask@plt>
  and    %ebx,%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %r15d,%edi
  mov    %eax,0x18(%rsp)
  call   <htonl@plt>
  test   %rbp,%rbp
  mov    %r14,%rcx
  mov    %r13,%rdx
  cmove  0x8(%rsp),%rbp
  mov    $0x8,%esi
  mov    %eax,0x1c(%rsp)
  mov    %rbp,%rdi
  call   <hmac_md5@plt>
  mov    0x20(%rsp),%eax
  mov    $0x1f,%ecx
  mov    $0x80000000,%edx
  sub    %r15d,%ecx
  and    $0x1,%eax
  shl    %cl,%eax
  mov    %r15d,%ecx
  add    $0x1,%r15d
  shr    %cl,%edx
  and    %ebx,%edx
  xor    %edx,%eax
  or     %eax,%r12d
  cmp    $0x20,%r15d
  jne    L3
  mov    0xa8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  add    $0xb8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L10:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
in_addr_t anonymize(in_addr_t a, u_char *anon_key) {
  a = ntohl(a);
  struct {
    in_addr_t prefix;
    int len;
  } prefix;
  in_addr_t output = 0;
  int i;
  for (i = 0; i < 32; ++i) {
    prefix.prefix = htonl(a & first_n_bit_mask(i));
    prefix.len = htonl(i);
    u_char digest[16];
    if (anon_key == NULL) {
      u_char key[16];
      anon_key = key;
    }
    hmac_md5(anon_key, sizeof(prefix), (u_char *)(&prefix), digest);
    int flip = digest[0] & 1;
    in_addr_t bit_mask = 1 << (31 - i);
    output = output | ((flip << (31 - i)) ^ (a & bit_mask));
  }
  return output;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<anonymize>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0xb8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xa8(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%r14
  lea    0x60(%rsp),%r15
  call   <ntohl@plt>
  mov    %eax,%ebx
  lea    0x18(%rsp),%rax
  mov    %rax,0x8(%rsp)
  nopl   0x0(%rax)
L21:
  mov    %r13d,%edi
  call   <first_n_bit_mask@plt>
  and    %ebx,%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %r13d,%edi
  mov    %eax,0x18(%rsp)
  call   <htonl@plt>
  mov    0x8(%rsp),%rdx
  mov    %r14,%rcx
  mov    $0x8,%esi
  mov    %eax,0x1c(%rsp)
  test   %rbp,%rbp
  je     L31
  mov    %rbp,%rdi
  lea    0x1(%r13),%r15d
  call   <hmac_md5@plt>
  mov    0x20(%rsp),%eax
  mov    $0x1f,%ecx
  mov    $0x80000000,%edx
  sub    %r13d,%ecx
  and    $0x1,%eax
  shl    %cl,%eax
  mov    %r13d,%ecx
  shr    %cl,%edx
  and    %ebx,%edx
  xor    %edx,%eax
  or     %eax,%r12d
  cmp    $0x1f,%r13d
  je     L34
  mov    $0x1f,%r13d
L7:
  mov    %r15d,%edi
  call   <first_n_bit_mask@plt>
  and    %ebx,%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %r15d,%edi
  mov    %eax,0x18(%rsp)
  call   <htonl@plt>
  mov    0x8(%rsp),%rdx
  mov    %r14,%rcx
  mov    %rbp,%rdi
  mov    $0x8,%esi
  mov    %eax,0x1c(%rsp)
  call   <hmac_md5@plt>
  mov    0x20(%rsp),%eax
  mov    %r13d,%ecx
  mov    $0x80000000,%edx
  sub    %r15d,%ecx
  and    $0x1,%eax
  shl    %cl,%eax
  mov    %r15d,%ecx
  add    $0x1,%r15d
  shr    %cl,%edx
  and    %ebx,%edx
  xor    %edx,%eax
  or     %eax,%r12d
  cmp    $0x20,%r15d
  jne    L7
L34:
  mov    0xa8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L41
  add    $0xb8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L31:
  mov    %r15,%rdi
  mov    %r15,%rbp
  call   <hmac_md5@plt>
  mov    0x20(%rsp),%eax
  mov    $0x1f,%ecx
  mov    $0x80000000,%edx
  sub    %r13d,%ecx
  and    $0x1,%eax
  shl    %cl,%eax
  mov    %r13d,%ecx
  add    $0x1,%r13d
  shr    %cl,%edx
  and    %ebx,%edx
  xor    %edx,%eax
  or     %eax,%r12d
  cmp    $0x20,%r13d
  jne    L21
  jmp    L34
L41:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
in_addr_t anonymize(in_addr_t a, u_char *anon_key) {
  a = ntohl(a);
  struct {
    in_addr_t prefix;
    int len;
  } prefix;
  in_addr_t output = 0;
  int i;
  for (i = 0; i < 32; ++i) {
    prefix.prefix = htonl(a & first_n_bit_mask(i));
    prefix.len = htonl(i);
    u_char digest[16];
    if (anon_key == NULL) {
      u_char key[16];
      anon_key = key;
    }
    hmac_md5(anon_key, sizeof(prefix), (u_char *)(&prefix), digest);
    int flip = digest[0] & 1;
    in_addr_t bit_mask = 1 << (31 - i);
    output = output | ((flip << (31 - i)) ^ (a & bit_mask));
  }
  return output;
}
```