ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x3f8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x3e8(%rsp)
  xor    %eax,%eax
  lea    D1(%rip),%rbp
L25:
  mov    %rsp,%rbx
L37:
  mov    $0x3e8,%esi
  mov    %rbx,%rdi
  call   <getlineuser@plt>
  test   %eax,%eax
  jle    L24
  cmpb   $0xa,(%rsp)
  je     L37
  mov    %rsp,%rsi
  mov    %rbp,%rdi
  call   <printf@plt>
  jmp    L25
L24:
  mov    0x3e8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  mov    $0x0,%eax
  add    $0x3f8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

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

tool: D1: %s

assistant: ```c
int main() {
  int len;
  char line[1000];
  while ((len = getlineuser(line, 1000)) > 0) {
    if (line[0] == '\n')
      ;
    else
      printf("%s", line);
  }
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D8(%rip),%rbp
  push   %rbx
  sub    $0x3f8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x3e8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  jmp    L27
  nopl   0x0(%rax)
L19:
  cmpb   $0xa,(%rsp)
  jne    L20
L27:
  mov    $0x3e8,%esi
  mov    %rbx,%rdi
  call   <getlineuser@plt>
  test   %eax,%eax
  jg     L19
  mov    0x3e8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L31
  add    $0x3f8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L20:
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <printf@plt>
  jmp    L27
L31:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D8
datatype: string

tool: D8: %s

assistant: ```c
int main() {
  int len;
  char line[1000];
  while ((len = getlineuser(line, 1000)) > 0) {
    if (line[0] == '\n')
      ;
    else
      printf("%s", line);
  }
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D3(%rip),%rbp
  push   %rbx
  sub    $0x3f8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x3e8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  jmp    L41
  nopl   0x0(%rax)
L3:
  cmpb   $0xa,(%rsp)
  jne    L29
L41:
  mov    $0x3e8,%esi
  mov    %rbx,%rdi
  call   <getlineuser@plt>
  test   %eax,%eax
  jg     L3
  mov    0x3e8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x3f8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L29:
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <printf@plt>
  jmp    L41
L7:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D3
type_guessed: string

tool: D3: %s

assistant: ```c
int main() {
  int len;
  char line[1000];
  while ((len = getlineuser(line, 1000)) > 0) {
    if (line[0] == '\n')
      ;
    else
      printf("%s", line);
  }
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<_sum_all>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L34
L13:
  movl   $0x0,-0xc(%rbp)
  jmp    L0
L36:
  mov    -0x10(%rbp),%eax
  imul   -0x1c(%rbp),%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  -0x8(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  addl   $0x1,-0xc(%rbp)
L0:
  mov    -0xc(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L36
  addl   $0x1,-0x10(%rbp)
L34:
  mov    -0x10(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L13
  movsd  -0x8(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  pop    %rbp
  ret
```

assistant: ```c
double _sum_all(double *X, int n) {
  int i, j;
  double sum = 0.0;
  for (i = 0; i < n; i++)
    for (j = 0; j < n; j++)
      sum += X[i * n + j];
  return sum;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<_sum_all>:
  endbr64
  test   %esi,%esi
  jle    L15
  movslq %esi,%r8
  shl    $0x3,%r8
  lea    -0x1(%rsi),%eax
  lea    0x8(%rdi,%rax,8),%rdx
  pxor   %xmm0,%xmm0
  mov    $0x0,%ecx
  mov    %esi,%edi
  neg    %rdi
  shl    $0x3,%rdi
L3:
  lea    (%rdi,%rdx,1),%rax
L9:
  addsd  (%rax),%xmm0
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L9
  add    $0x1,%ecx
  add    %r8,%rdx
  cmp    %ecx,%esi
  jne    L3
L37:
  ret
L15:
  pxor   %xmm0,%xmm0
  jmp    L37
```

assistant: ```c
double _sum_all(double *X, int n) {
  int i, j;
  double sum = 0.0;
  for (i = 0; i < n; i++)
    for (j = 0; j < n; j++)
      sum += X[i * n + j];
  return sum;
}
```
user: What is the c source code of the assembly code below?

```asm
<_sum_all>:
  endbr64
  test   %esi,%esi
  jle    L8
  lea    -0x1(%rsi),%eax
  movslq %esi,%r8
  pxor   %xmm0,%xmm0
  xor    %ecx,%ecx
  shl    $0x3,%rax
  shl    $0x3,%r8
  lea    0x8(%rdi,%rax,1),%rdx
  mov    $0xfffffffffffffff8,%rdi
  sub    %rax,%rdi
  nopl   0x0(%rax,%rax,1)
L5:
  lea    (%rdi,%rdx,1),%rax
  nopl   0x0(%rax)
L22:
  addsd  (%rax),%xmm0
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L22
  add    $0x1,%ecx
  add    %r8,%rdx
  cmp    %ecx,%esi
  jne    L5
  ret
L8:
  pxor   %xmm0,%xmm0
  ret
```

assistant: ```c
double _sum_all(double *X, int n) {
  int i, j;
  double sum = 0.0;
  for (i = 0; i < n; i++)
    for (j = 0; j < n; j++)
      sum += X[i * n + j];
  return sum;
}
```
user: What is the c source code of the assembly code below:

```asm
<_sum_all>:
  endbr64
  test   %esi,%esi
  jle    L44
  mov    %esi,%eax
  push   %rbx
  mov    %esi,%r9d
  movslq %esi,%rbx
  shr    %eax
  shl    $0x3,%rbx
  mov    %rdi,%r11
  and    $0xfffffffe,%r9d
  lea    -0x1(%rax),%r10d
  xor    %edx,%edx
  pxor   %xmm0,%xmm0
  xor    %r8d,%r8d
  add    $0x1,%r10
  shl    $0x4,%r10
  nopw   0x0(%rax,%rax,1)
L29:
  cmp    $0x1,%esi
  je     L24
  lea    (%r10,%r11,1),%rcx
  mov    %r11,%rax
  nopl   0x0(%rax)
L59:
  movsd  (%rax),%xmm1
  add    $0x10,%rax
  addsd  %xmm1,%xmm0
  movsd  -0x8(%rax),%xmm1
  addsd  %xmm1,%xmm0
  cmp    %rcx,%rax
  jne    L59
  mov    %r9d,%eax
  cmp    %esi,%r9d
  je     L57
L58:
  add    %edx,%eax
  cltq
  addsd  (%rdi,%rax,8),%xmm0
L57:
  add    $0x1,%r8d
  add    %esi,%edx
  add    %rbx,%r11
  cmp    %r8d,%esi
  jne    L29
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L24:
  xor    %eax,%eax
  jmp    L58
L44:
  pxor   %xmm0,%xmm0
  ret
```

assistant: ```c
double _sum_all(double *X, int n) {
  int i, j;
  double sum = 0.0;
  for (i = 0; i < n; i++)
    for (j = 0; j < n; j++)
      sum += X[i * n + j];
  return sum;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<strings_starts_with_imp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <assert@plt>
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <assert@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strings_length@plt>
  mov    %eax,-0x8(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strings_length@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jbe    L11
  mov    $0x0,%eax
  jmp    L14
L11:
  mov    -0x4(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    -0x28(%rbp),%r8
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   *%r8
L14:
  leave
  ret
```

assistant: ```c
bool strings_starts_with_imp(char *string, char *start, bool (*equals_function)(char *, char *, unsigned int)) {
  assert(string);
  assert(start);
  unsigned int string_length = strings_length(string), start_length = strings_length(start);
  if (start_length > string_length)
    return false;
  return equals_function(string, start, start_length);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<strings_starts_with_imp>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %rdx,%r13
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <assert@plt>
  mov    %rbx,%rdi
  call   <strings_length@plt>
  mov    %eax,%r12d
  mov    %rbp,%rdi
  call   <strings_length@plt>
  mov    %eax,%edx
  mov    $0x0,%eax
  cmp    %edx,%r12d
  jb     L3
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   *%r13
L3:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
bool strings_starts_with_imp(char *string, char *start, bool (*equals_function)(char *, char *, unsigned int)) {
  assert(string);
  assert(start);
  unsigned int string_length = strings_length(string), start_length = strings_length(start);
  if (start_length > string_length)
    return false;
  return equals_function(string, start, start_length);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strings_starts_with_imp>:
  endbr64
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <assert@plt>
  mov    %r12,%rdi
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <strings_length@plt>
  mov    %r12,%rdi
  mov    %eax,%ebx
  call   <strings_length@plt>
  cmp    %eax,%ebx
  jb     L8
  add    $0x8,%rsp
  mov    %eax,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbx
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    *%rax
  nopl   0x0(%rax)
L8:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
bool strings_starts_with_imp(char *string, char *start, bool (*equals_function)(char *, char *, unsigned int)) {
  assert(string);
  assert(start);
  unsigned int string_length = strings_length(string), start_length = strings_length(start);
  if (start_length > string_length)
    return false;
  return equals_function(string, start, start_length);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strings_starts_with_imp>:
  endbr64
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <assert@plt>
  mov    %r12,%rdi
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <strings_length@plt>
  mov    %r12,%rdi
  mov    %eax,%ebx
  call   <strings_length@plt>
  cmp    %eax,%ebx
  jb     L2
  add    $0x8,%rsp
  mov    %eax,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbx
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    *%rax
  nopl   0x0(%rax)
L2:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
bool strings_starts_with_imp(char *string, char *start, bool (*equals_function)(char *, char *, unsigned int)) {
  assert(string);
  assert(start);
  unsigned int string_length = strings_length(string), start_length = strings_length(start);
  if (start_length > string_length)
    return false;
  return equals_function(string, start, start_length);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<putnum_l1a>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  cmpl   $0x1,-0x14(%rbp)
  jne    L36
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <putbc@plt>
  jmp    L60
L36:
  movl   $0x1f,-0x4(%rbp)
  jmp    L38
L65:
  shll   -0x14(%rbp)
  subl   $0x1,-0x4(%rbp)
L38:
  mov    -0x14(%rbp),%eax
  test   %eax,%eax
  jns    L65
L53:
  shll   -0x14(%rbp)
  mov    -0x14(%rbp),%eax
  test   %eax,%eax
  jns    L64
  mov    $0x2,%esi
  mov    $0x1,%edi
  call   <putbc@plt>
  jmp    L56
L64:
  mov    $0x2,%esi
  mov    $0x0,%edi
  call   <putbc@plt>
L56:
  subl   $0x1,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jne    L53
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <putbc@plt>
  nop
L60:
  leave
  ret
```

assistant: ```c
void putnum_l1a(unsigned int i) {
  int j;
  if (i == 1) {
    putbc(0x1, 0x1);
    return;
  }
  j = 31;
  while ((i & 0x80000000) == 0) {
    i <<= 1;
    j--;
  }
  do {
    i <<= 1;
    if (i & 0x80000000)
      putbc(0x1, 0x2);
    else
      putbc(0x0, 0x2);
  } while (--j);
  putbc(0x1, 0x1);
  return;
}
```
user: What is the c source code of the assembly code below?

```asm
<putnum_l1a>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmp    $0x1,%edi
  je     L75
  mov    %edi,%ebx
  mov    $0x1f,%ebp
  test   %edi,%edi
  js     L29
L40:
  sub    $0x1,%ebp
  add    %ebx,%ebx
  jns    L40
  jmp    L29
L75:
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <putbc@plt>
  jmp    L68
L7:
  mov    $0x2,%esi
  mov    $0x0,%edi
  call   <putbc@plt>
L49:
  sub    $0x1,%ebp
  je     L5
L29:
  add    %ebx,%ebx
  jns    L7
  mov    $0x2,%esi
  mov    $0x1,%edi
  call   <putbc@plt>
  jmp    L49
L5:
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <putbc@plt>
L68:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void putnum_l1a(unsigned int i) {
  int j;
  if (i == 1) {
    putbc(0x1, 0x1);
    return;
  }
  j = 31;
  while ((i & 0x80000000) == 0) {
    i <<= 1;
    j--;
  }
  do {
    i <<= 1;
    if (i & 0x80000000)
      putbc(0x1, 0x2);
    else
      putbc(0x0, 0x2);
  } while (--j);
  putbc(0x1, 0x1);
  return;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<putnum_l1a>:
  endbr64
  cmp    $0x1,%edi
  je     L38
  push   %rbp
  mov    $0x1f,%ebp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x8,%rsp
  test   %edi,%edi
  js     L29
  nopw   0x0(%rax,%rax,1)
L48:
  sub    $0x1,%ebp
  add    %ebx,%ebx
  jns    L48
  mov    $0x2,%esi
  add    %ebx,%ebx
  js     L15
L23:
  xor    %edi,%edi
  call   <putbc@plt>
  sub    $0x1,%ebp
  je     L54
L29:
  mov    $0x2,%esi
  add    %ebx,%ebx
  jns    L23
L15:
  mov    $0x1,%edi
  call   <putbc@plt>
  sub    $0x1,%ebp
  jne    L29
L54:
  add    $0x8,%rsp
  mov    $0x1,%esi
  mov    $0x1,%edi
  pop    %rbx
  pop    %rbp
  jmp    1050 <putbc@plt>
  nopl   0x0(%rax)
L38:
  mov    $0x1,%esi
  mov    $0x1,%edi
  jmp    1050 <putbc@plt>
```

assistant: ```c
void putnum_l1a(unsigned int i) {
  int j;
  if (i == 1) {
    putbc(0x1, 0x1);
    return;
  }
  j = 31;
  while ((i & 0x80000000) == 0) {
    i <<= 1;
    j--;
  }
  do {
    i <<= 1;
    if (i & 0x80000000)
      putbc(0x1, 0x2);
    else
      putbc(0x0, 0x2);
  } while (--j);
  putbc(0x1, 0x1);
  return;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<putnum_l1a>:
  endbr64
  cmp    $0x1,%edi
  je     L28
  push   %rbp
  mov    $0x1f,%ebp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x8,%rsp
  test   %edi,%edi
  js     L1
  nopw   0x0(%rax,%rax,1)
L5:
  sub    $0x1,%ebp
  add    %ebx,%ebx
  jns    L5
  mov    $0x2,%esi
  add    %ebx,%ebx
  js     L37
L47:
  xor    %edi,%edi
  call   <putbc@plt>
  sub    $0x1,%ebp
  je     L13
L1:
  mov    $0x2,%esi
  add    %ebx,%ebx
  jns    L47
L37:
  mov    $0x1,%edi
  call   <putbc@plt>
  sub    $0x1,%ebp
  jne    L1
L13:
  add    $0x8,%rsp
  mov    $0x1,%esi
  mov    $0x1,%edi
  pop    %rbx
  pop    %rbp
  jmp    1050 <putbc@plt>
  nopl   0x0(%rax)
L28:
  mov    $0x1,%esi
  mov    $0x1,%edi
  jmp    1050 <putbc@plt>
```

assistant: ```c
void putnum_l1a(unsigned int i) {
  int j;
  if (i == 1) {
    putbc(0x1, 0x1);
    return;
  }
  j = 31;
  while ((i & 0x80000000) == 0) {
    i <<= 1;
    j--;
  }
  do {
    i <<= 1;
    if (i & 0x80000000)
      putbc(0x1, 0x2);
    else
      putbc(0x0, 0x2);
  } while (--j);
  putbc(0x1, 0x1);
  return;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<getIPDatagramHeader>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %rcx,-0x20(%rbp)
  mov    %r8d,-0x24(%rbp)
  mov    %r9,-0x30(%rbp)
  mov    -0x24(%rbp),%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x24(%rbp),%eax
  add    $0x10,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  shl    $0x8,%rax
  mov    %rax,%rdx
  mov    -0x24(%rbp),%eax
  add    $0x11,%eax
  mov    %eax,%ecx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  or     %rax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  shl    $0x8,%rax
  mov    %rax,%rdx
  mov    -0x24(%rbp),%eax
  add    $0x12,%eax
  mov    %eax,%ecx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  or     %rax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  shl    $0x8,%rax
  mov    %rax,%rdx
  mov    -0x24(%rbp),%eax
  add    $0x13,%eax
  mov    %eax,%ecx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  or     %rax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x24(%rbp),%eax
  add    $0x10,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x24(%rbp),%eax
  add    $0x11,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    -0x10(%rbp),%rdx
  add    $0x1,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    -0x24(%rbp),%eax
  add    $0x12,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    -0x10(%rbp),%rdx
  add    $0x2,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    -0x24(%rbp),%eax
  add    $0x13,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    -0x10(%rbp),%rdx
  add    $0x3,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  lea    0x0(,%rax,4),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void getIPDatagramHeader(unsigned long *dest_add_number, unsigned char *dest_add, unsigned int *len_bytes, unsigned int *len, unsigned int offset, unsigned char *buf) {
  *len = ((buf[offset + 0]) & 0xF);
  *dest_add_number = (buf[offset + 16]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 17]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 18]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 19]);
  dest_add[0] = buf[offset + 16 + 0];
  dest_add[1] = buf[offset + 16 + 1];
  dest_add[2] = buf[offset + 16 + 2];
  dest_add[3] = buf[offset + 16 + 3];
  *len_bytes = *len * 4;
  return;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<getIPDatagramHeader>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %r8d,%eax
  movzbl (%r9,%rax,1),%eax
  and    $0xf,%eax
  mov    %eax,(%rcx)
  lea    0x10(%r8),%r11d
  add    %r9,%r11
  movzbl (%r11),%eax
  mov    %rax,(%rdi)
  lea    0x11(%r8),%r10d
  add    %r9,%r10
  shl    $0x8,%rax
  movzbl (%r10),%ebx
  or     %rbx,%rax
  mov    %rax,(%rdi)
  lea    0x12(%r8),%ebx
  add    %r9,%rbx
  shl    $0x8,%rax
  movzbl (%rbx),%ebp
  or     %rbp,%rax
  mov    %rax,(%rdi)
  lea    0x13(%r8),%r8d
  add    %r8,%r9
  shl    $0x8,%rax
  movzbl (%r9),%r8d
  or     %r8,%rax
  mov    %rax,(%rdi)
  movzbl (%r11),%eax
  mov    %al,(%rsi)
  movzbl (%r10),%eax
  mov    %al,0x1(%rsi)
  movzbl (%rbx),%eax
  mov    %al,0x2(%rsi)
  movzbl (%r9),%eax
  mov    %al,0x3(%rsi)
  mov    (%rcx),%eax
  shl    $0x2,%eax
  mov    %eax,(%rdx)
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void getIPDatagramHeader(unsigned long *dest_add_number, unsigned char *dest_add, unsigned int *len_bytes, unsigned int *len, unsigned int offset, unsigned char *buf) {
  *len = ((buf[offset + 0]) & 0xF);
  *dest_add_number = (buf[offset + 16]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 17]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 18]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 19]);
  dest_add[0] = buf[offset + 16 + 0];
  dest_add[1] = buf[offset + 16 + 1];
  dest_add[2] = buf[offset + 16 + 2];
  dest_add[3] = buf[offset + 16 + 3];
  *len_bytes = *len * 4;
  return;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<getIPDatagramHeader>:
  endbr64
  mov    %r8d,%eax
  push   %rbp
  lea    0x10(%r8),%r11d
  lea    0x11(%r8),%r10d
  push   %rbx
  movzbl (%r9,%rax,1),%eax
  add    %r9,%r11
  add    %r9,%r10
  and    $0xf,%eax
  mov    %eax,(%rcx)
  movzbl (%r11),%eax
  mov    %rax,(%rdi)
  movzbl (%r10),%ebx
  shl    $0x8,%rax
  or     %rbx,%rax
  lea    0x12(%r8),%ebx
  add    $0x13,%r8d
  add    %r9,%rbx
  mov    %rax,(%rdi)
  shl    $0x8,%rax
  add    %r8,%r9
  movzbl (%rbx),%ebp
  or     %rbp,%rax
  mov    %rax,(%rdi)
  movzbl (%r9),%r8d
  shl    $0x8,%rax
  or     %r8,%rax
  mov    %rax,(%rdi)
  movzbl (%r11),%eax
  mov    %al,(%rsi)
  movzbl (%r10),%eax
  mov    %al,0x1(%rsi)
  movzbl (%rbx),%eax
  pop    %rbx
  pop    %rbp
  mov    %al,0x2(%rsi)
  movzbl (%r9),%eax
  mov    %al,0x3(%rsi)
  mov    (%rcx),%eax
  shl    $0x2,%eax
  mov    %eax,(%rdx)
  ret
```

assistant: ```c
void getIPDatagramHeader(unsigned long *dest_add_number, unsigned char *dest_add, unsigned int *len_bytes, unsigned int *len, unsigned int offset, unsigned char *buf) {
  *len = ((buf[offset + 0]) & 0xF);
  *dest_add_number = (buf[offset + 16]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 17]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 18]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 19]);
  dest_add[0] = buf[offset + 16 + 0];
  dest_add[1] = buf[offset + 16 + 1];
  dest_add[2] = buf[offset + 16 + 2];
  dest_add[3] = buf[offset + 16 + 3];
  *len_bytes = *len * 4;
  return;
}
```
user: What is the c source code of the assembly code below:

```asm
<getIPDatagramHeader>:
  endbr64
  mov    %r8d,%eax
  push   %rbp
  lea    0x10(%r8),%r11d
  lea    0x11(%r8),%r10d
  push   %rbx
  movzbl (%r9,%rax,1),%eax
  add    %r9,%r11
  add    %r9,%r10
  and    $0xf,%eax
  mov    %eax,(%rcx)
  movzbl (%r11),%eax
  mov    %rax,(%rdi)
  movzbl (%r10),%ebx
  shl    $0x8,%rax
  or     %rbx,%rax
  lea    0x12(%r8),%ebx
  add    $0x13,%r8d
  add    %r9,%rbx
  mov    %rax,(%rdi)
  shl    $0x8,%rax
  add    %r8,%r9
  movzbl (%rbx),%ebp
  or     %rbp,%rax
  mov    %rax,(%rdi)
  movzbl (%r9),%r8d
  shl    $0x8,%rax
  or     %r8,%rax
  mov    %rax,(%rdi)
  movzbl (%r11),%eax
  mov    %al,(%rsi)
  movzbl (%r10),%eax
  mov    %al,0x1(%rsi)
  movzbl (%rbx),%eax
  pop    %rbx
  pop    %rbp
  mov    %al,0x2(%rsi)
  movzbl (%r9),%eax
  mov    %al,0x3(%rsi)
  mov    (%rcx),%eax
  shl    $0x2,%eax
  mov    %eax,(%rdx)
  ret
```

assistant: ```c
void getIPDatagramHeader(unsigned long *dest_add_number, unsigned char *dest_add, unsigned int *len_bytes, unsigned int *len, unsigned int offset, unsigned char *buf) {
  *len = ((buf[offset + 0]) & 0xF);
  *dest_add_number = (buf[offset + 16]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 17]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 18]);
  *dest_add_number = (*dest_add_number << 8) | (buf[offset + 19]);
  dest_add[0] = buf[offset + 16 + 0];
  dest_add[1] = buf[offset + 16 + 1];
  dest_add[2] = buf[offset + 16 + 2];
  dest_add[3] = buf[offset + 16 + 3];
  *len_bytes = *len * 4;
  return;
}
```