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
<classify>:
  endbr64
  push   %r14
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  test   %cl,%cl
  jne    L9
  movslq %edx,%r14
  xor    %ebx,%ebx
  test   %edx,%edx
  jle    L1
  nopw   0x0(%rax,%rax,1)
L5:
  movsbl 0x0(%rbp,%rbx,1),%edi
  call   <ClassFromChN@plt>
  mov    %eax,(%r12,%rbx,4)
  add    $0x1,%rbx
  cmp    %r14,%rbx
  jne    L5
  pop    %rbx
  mov    %r13d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L9:
  test   %edx,%edx
  jle    L1
  movslq %edx,%r14
  xor    %ebx,%ebx
  nopl   0x0(%rax)
L16:
  movsbl 0x0(%rbp,%rbx,1),%edi
  call   <ClassFromChWS@plt>
  mov    %eax,(%r12,%rbx,4)
  add    $0x1,%rbx
  cmp    %rbx,%r14
  jne    L16
  pop    %rbx
  mov    %r13d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  xor    %r13d,%r13d
  pop    %rbx
  pop    %rbp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int classify(const char *pszText, int *pcls, int cch, char fWS) {
  int ich;
  if (fWS) {
    for (ich = 0; ich < cch; ich++) {
      pcls[ich] = ClassFromChWS(pszText[ich]);
    }
    return ich;
  } else {
    for (ich = 0; ich < cch; ich++) {
      pcls[ich] = ClassFromChN(pszText[ich]);
    }
    return ich;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<classify>:
  endbr64
  push   %r14
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  test   %cl,%cl
  jne    L14
  movslq %edx,%r14
  xor    %ebx,%ebx
  test   %edx,%edx
  jle    L15
  nopw   0x0(%rax,%rax,1)
L22:
  movsbl 0x0(%rbp,%rbx,1),%edi
  call   <ClassFromChN@plt>
  mov    %eax,(%r12,%rbx,4)
  add    $0x1,%rbx
  cmp    %rbx,%r14
  jne    L22
  pop    %rbx
  mov    %r13d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L14:
  test   %edx,%edx
  jle    L15
  movslq %edx,%r14
  xor    %ebx,%ebx
  nopl   0x0(%rax)
L29:
  movsbl 0x0(%rbp,%rbx,1),%edi
  call   <ClassFromChWS@plt>
  mov    %eax,(%r12,%rbx,4)
  add    $0x1,%rbx
  cmp    %rbx,%r14
  jne    L29
  pop    %rbx
  mov    %r13d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L15:
  xor    %r13d,%r13d
  pop    %rbx
  pop    %rbp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int classify(const char *pszText, int *pcls, int cch, char fWS) {
  int ich;
  if (fWS) {
    for (ich = 0; ich < cch; ich++) {
      pcls[ich] = ClassFromChWS(pszText[ich]);
    }
    return ich;
  } else {
    for (ich = 0; ich < cch; ich++) {
      pcls[ich] = ClassFromChN(pszText[ich]);
    }
    return ich;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<getHareMove>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x10624dd3,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x6,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  mov    %edx,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  imul   $0x3e8,%edx,%edx
  sub    %edx,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x31f,-0x4(%rbp)
  jle    L76
  mov    $0x0,%eax
  jmp    L39
L76:
  cmpl   $0x257,-0x4(%rbp)
  jle    L1
  mov    $0x9,%eax
  jmp    L39
L1:
  cmpl   $0x1f3,-0x4(%rbp)
  jle    L43
  mov    $0xfffffff4,%eax
  jmp    L39
L43:
  cmpl   $0xc7,-0x4(%rbp)
  jle    L19
  mov    $0x1,%eax
  jmp    L39
L19:
  mov    $0xfffffffe,%eax
L39:
  leave
  ret
```

assistant: ```c
int getHareMove() {
  int randomNum = rand() % 1000;
  if (randomNum >= 800)
    return 0;
  else if (randomNum >= 600)
    return 9;
  else if (randomNum >= 500)
    return -12;
  else if (randomNum >= 200)
    return 1;
  else
    return -2;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<getHareMove>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x10624dd3,%rdx,%rdx
  sar    $0x26,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x3e8,%edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  mov    $0x0,%eax
  cmp    $0x31f,%edx
  jg     L25
  mov    $0x9,%eax
  cmp    $0x257,%edx
  jg     L25
  cmp    $0x1f3,%edx
  jg     L36
  cmp    $0xc7,%edx
  setg   %al
  movzbl %al,%eax
  lea    -0x2(%rax,%rax,2),%eax
L25:
  add    $0x8,%rsp
  ret
L36:
  mov    $0xfffffff4,%eax
  jmp    L25
```

assistant: ```c
int getHareMove() {
  int randomNum = rand() % 1000;
  if (randomNum >= 800)
    return 0;
  else if (randomNum >= 600)
    return 9;
  else if (randomNum >= 500)
    return -12;
  else if (randomNum >= 200)
    return 1;
  else
    return -2;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<getHareMove>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  mov    %eax,%ecx
  imul   $0x10624dd3,%rdx,%rdx
  sar    $0x1f,%ecx
  sar    $0x26,%rdx
  sub    %ecx,%edx
  imul   $0x3e8,%edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  xor    %eax,%eax
  cmp    $0x31f,%edx
  jg     L18
  mov    $0x9,%eax
  cmp    $0x257,%edx
  jg     L18
  cmp    $0x1f3,%edx
  jg     L35
  xor    %eax,%eax
  cmp    $0xc7,%edx
  setg   %al
  lea    -0x2(%rax,%rax,2),%eax
L18:
  add    $0x8,%rsp
  ret
L35:
  mov    $0xfffffff4,%eax
  jmp    L18
```

assistant: ```c
int getHareMove() {
  int randomNum = rand() % 1000;
  if (randomNum >= 800)
    return 0;
  else if (randomNum >= 600)
    return 9;
  else if (randomNum >= 500)
    return -12;
  else if (randomNum >= 200)
    return 1;
  else
    return -2;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<getHareMove>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  mov    %eax,%ecx
  imul   $0x10624dd3,%rdx,%rdx
  sar    $0x1f,%ecx
  sar    $0x26,%rdx
  sub    %ecx,%edx
  imul   $0x3e8,%edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  xor    %eax,%eax
  cmp    $0x31f,%edx
  jg     L39
  mov    $0x9,%eax
  cmp    $0x257,%edx
  jg     L39
  cmp    $0x1f3,%edx
  jg     L12
  xor    %eax,%eax
  cmp    $0xc7,%edx
  setg   %al
  lea    -0x2(%rax,%rax,2),%eax
L39:
  add    $0x8,%rsp
  ret
L12:
  mov    $0xfffffff4,%eax
  jmp    L39
```

assistant: ```c
int getHareMove() {
  int randomNum = rand() % 1000;
  if (randomNum >= 800)
    return 0;
  else if (randomNum >= 600)
    return 9;
  else if (randomNum >= 500)
    return -12;
  else if (randomNum >= 200)
    return 1;
  else
    return -2;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<print_parens_aux>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  mov    %ecx,-0x18(%rbp)
  mov    %r8d,-0x1c(%rbp)
  mov    -0x14(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jne    L3
  cmpl   $0x0,-0x1c(%rbp)
  jne    L3
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L33
L3:
  cmpl   $0x0,-0x1c(%rbp)
  je     L36
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x29,(%rax)
  mov    -0x1c(%rbp),%eax
  lea    -0x1(%rax),%edi
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rsi
  mov    -0x18(%rbp),%ecx
  mov    -0x14(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    %edi,%r8d
  mov    %rax,%rdi
  call   <print_parens_aux>
L36:
  mov    -0x14(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jae    L33
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x28,(%rax)
  mov    -0x1c(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    -0x14(%rbp),%eax
  lea    0x1(%rax),%edi
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rsi
  mov    -0x18(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    %ecx,%r8d
  mov    %edx,%ecx
  mov    %edi,%edx
  mov    %rax,%rdi
  call   <print_parens_aux>
L33:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D2
data_type: string

tool: D2: %s


assistant: ```c
void print_parens_aux(char *buff, size_t buff_i, unsigned open_used, unsigned n, unsigned to_close) {
  if (open_used == n && to_close == 0) {
    buff[buff_i] = '\0';
    printf("%s\n", buff);
    return;
  }
  if (to_close > 0) {
    buff[buff_i] = ')';
    print_parens_aux(buff, buff_i + 1, open_used, n, to_close - 1);
  }
  if (open_used < n) {
    buff[buff_i] = '(';
    print_parens_aux(buff, buff_i + 1, open_used + 1, n, to_close + 1);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<print_parens_aux>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r14
  mov    %rsi,%r13
  mov    %edx,%ebx
  mov    %ecx,%ebp
  mov    %r8d,%r12d
  cmp    %ecx,%edx
  jne    L24
  test   %r8d,%r8d
  je     L61
L24:
  test   %r12d,%r12d
  jne    L26
L30:
  cmp    %ebp,%ebx
  jb     L33
L57:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L61:
  movb   $0x0,(%rdi,%rsi,1)
  mov    %rdi,%rsi
  lea    D0(%rip),%rdi
  call   <printf@plt>
  jmp    L57
L26:
  movb   $0x29,(%r14,%r13,1)
  lea    0x1(%r13),%rsi
  lea    -0x1(%r12),%r8d
  mov    %ebp,%ecx
  mov    %ebx,%edx
  mov    %r14,%rdi
  call   <print_parens_aux>
  jmp    L30
L33:
  movb   $0x28,(%r14,%r13,1)
  lea    0x1(%rbx),%edx
  lea    0x1(%r13),%rsi
  lea    0x1(%r12),%r8d
  mov    %ebp,%ecx
  mov    %r14,%rdi
  call   <print_parens_aux>
  jmp    L57
```

tool_calls: name: disassemble_data
arguments: tag: D0
data_type: string

tool: D0: %s


assistant: ```c
void print_parens_aux(char *buff, size_t buff_i, unsigned open_used, unsigned n, unsigned to_close) {
  if (open_used == n && to_close == 0) {
    buff[buff_i] = '\0';
    printf("%s\n", buff);
    return;
  }
  if (to_close > 0) {
    buff[buff_i] = ')';
    print_parens_aux(buff, buff_i + 1, open_used, n, to_close - 1);
  }
  if (open_used < n) {
    buff[buff_i] = '(';
    print_parens_aux(buff, buff_i + 1, open_used + 1, n, to_close + 1);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<print_parens_aux>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %ecx,%r13d
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  cmp    %edx,%ecx
  jne    L67
  test   %r8d,%r8d
  je     L10
L67:
  lea    0x1(%r8),%ebp
  lea    0x1(%r12),%r15d
  add    $0x1,%rbx
  cmp    $0x1,%ebp
  jne    L58
L41:
  cmp    %r12d,%r13d
  jbe    L4
  movb   $0x28,-0x1(%r14,%rbx,1)
L60:
  add    $0x1,%ebp
  add    $0x1,%r15d
  add    $0x1,%r12d
  add    $0x1,%rbx
  cmp    $0x1,%ebp
  je     L41
L58:
  movb   $0x29,-0x1(%r14,%rbx,1)
  lea    -0x2(%rbp),%r8d
  mov    %r13d,%ecx
  mov    %r12d,%edx
  mov    %rbx,%rsi
  mov    %r14,%rdi
  call   <print_parens_aux>
  cmp    %r12d,%r13d
  jbe    L4
  movb   $0x28,-0x1(%r14,%rbx,1)
  cmp    %r15d,%r13d
  jne    L60
  test   %ebp,%ebp
  jne    L60
L10:
  movb   $0x0,(%r14,%rbx,1)
  add    $0x8,%rsp
  mov    %r14,%rsi
  lea    D5(%rip),%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <printf@plt>
  nopl   0x0(%rax)
L4:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

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

tool: D5: %s


assistant: ```c
void print_parens_aux(char *buff, size_t buff_i, unsigned open_used, unsigned n, unsigned to_close) {
  if (open_used == n && to_close == 0) {
    buff[buff_i] = '\0';
    printf("%s\n", buff);
    return;
  }
  if (to_close > 0) {
    buff[buff_i] = ')';
    print_parens_aux(buff, buff_i + 1, open_used, n, to_close - 1);
  }
  if (open_used < n) {
    buff[buff_i] = '(';
    print_parens_aux(buff, buff_i + 1, open_used + 1, n, to_close + 1);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fatorial>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jne    L7
  mov    $0x1,%eax
  jmp    L19
L7:
  mov    -0x4(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edi
  call   <fatorial>
  imul   -0x4(%rbp),%eax
L19:
  leave
  ret
```

assistant: ```c
int fatorial(int n) {
  if (n == 0) {
    return 1;
  } else {
    return fatorial(n - 1) * n;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<fatorial>:
  endbr64
  mov    $0x1,%eax
  test   %edi,%edi
  jne    L6
  ret
L6:
  push   %rbx
  mov    %edi,%ebx
  lea    -0x1(%rdi),%edi
  call   <fatorial>
  imul   %ebx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int fatorial(int n) {
  if (n == 0) {
    return 1;
  } else {
    return fatorial(n - 1) * n;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<fatorial>:
  endbr64
  mov    $0x1,%eax
  test   %edi,%edi
  je     L8
  nopl   (%rax)
L17:
  imul   %edi,%eax
  sub    $0x1,%edi
  jne    L17
L8:
  ret
```

assistant: ```c
int fatorial(int n) {
  if (n == 0) {
    return 1;
  } else {
    return fatorial(n - 1) * n;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fatorial>:
  endbr64
  mov    $0x1,%eax
  test   %edi,%edi
  je     L12
  nopl   (%rax)
L16:
  imul   %edi,%eax
  sub    $0x1,%edi
  jne    L16
L12:
  ret
```

assistant: ```c
int fatorial(int n) {
  if (n == 0) {
    return 1;
  } else {
    return fatorial(n - 1) * n;
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<byte_diff>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    %rdx,-0x18(%rbp)
L137:
  cmpl   $0x0,-0xc(%rbp)
  jne    L1
  mov    $0x0,%eax
  jmp    L61
L1:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L51
  addq   $0x1,-0x8(%rbp)
  addq   $0x1,-0x18(%rbp)
  subl   $0x1,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jne    L119
  mov    $0x0,%eax
  jmp    L61
L119:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L93
  addq   $0x1,-0x8(%rbp)
  addq   $0x1,-0x18(%rbp)
  subl   $0x1,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jne    L102
  mov    $0x0,%eax
  jmp    L61
L102:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L54
  addq   $0x1,-0x8(%rbp)
  addq   $0x1,-0x18(%rbp)
  subl   $0x1,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jne    L41
  mov    $0x0,%eax
  jmp    L61
L41:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L138
  addq   $0x1,-0x8(%rbp)
  addq   $0x1,-0x18(%rbp)
  subl   $0x1,-0xc(%rbp)
  jmp    L137
L51:
  nop
  jmp    L58
L93:
  nop
  jmp    L58
L54:
  nop
  jmp    L58
L138:
  nop
L58:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
L61:
  pop    %rbp
  ret
```

assistant: ```c
int byte_diff(const char *s, unsigned int n, const char *t) {
  for (;;) {
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
  }
  return ((int)(unsigned int)(unsigned char)*s) - ((int)(unsigned int)(unsigned char)*t);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<byte_diff>:
  endbr64
  test   %esi,%esi
  je     L70
L57:
  movzbl (%rdx),%eax
  cmp    %al,(%rdi)
  jne    L96
  cmp    $0x1,%esi
  je     L101
  movzbl 0x1(%rdx),%eax
  cmp    %al,0x1(%rdi)
  jne    L54
  cmp    $0x2,%esi
  je     L109
  movzbl 0x2(%rdx),%eax
  cmp    %al,0x2(%rdi)
  jne    L102
  cmp    $0x3,%esi
  je     L59
  movzbl 0x3(%rdx),%eax
  cmp    %al,0x3(%rdi)
  jne    L56
  add    $0x4,%rdi
  add    $0x4,%rdx
  sub    $0x4,%esi
  jne    L57
  mov    $0x0,%eax
  ret
L54:
  add    $0x1,%rdi
  add    $0x1,%rdx
L96:
  movzbl (%rdi),%eax
  movzbl (%rdx),%edx
  sub    %edx,%eax
  ret
L102:
  add    $0x2,%rdi
  add    $0x2,%rdx
  jmp    L96
L56:
  add    $0x3,%rdi
  add    $0x3,%rdx
  jmp    L96
L70:
  mov    $0x0,%eax
  ret
L101:
  mov    $0x0,%eax
  ret
L109:
  mov    $0x0,%eax
  ret
L59:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int byte_diff(const char *s, unsigned int n, const char *t) {
  for (;;) {
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
  }
  return ((int)(unsigned int)(unsigned char)*s) - ((int)(unsigned int)(unsigned char)*t);
}
```
user: What is the c source code of the assembly code below?

```asm
<byte_diff>:
  endbr64
  test   %esi,%esi
  jne    L31
  jmp    L67
  nopw   0x0(%rax,%rax,1)
L72:
  cmp    $0x1,%esi
  je     L67
  movzbl 0x1(%rdi),%eax
  movzbl 0x1(%rdx),%ecx
  cmp    %cl,%al
  jne    L63
  cmp    $0x2,%esi
  je     L67
  movzbl 0x2(%rdi),%eax
  movzbl 0x2(%rdx),%ecx
  cmp    %cl,%al
  jne    L63
  cmp    $0x3,%esi
  je     L67
  movzbl 0x3(%rdi),%eax
  movzbl 0x3(%rdx),%ecx
  cmp    %cl,%al
  jne    L63
  add    $0x4,%rdi
  add    $0x4,%rdx
  sub    $0x4,%esi
  je     L67
L31:
  movzbl (%rdi),%eax
  movzbl (%rdx),%ecx
  cmp    %cl,%al
  je     L72
L63:
  sub    %ecx,%eax
  ret
  nopl   (%rax)
L67:
  xor    %eax,%eax
  ret
```

assistant: ```c
int byte_diff(const char *s, unsigned int n, const char *t) {
  for (;;) {
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
  }
  return ((int)(unsigned int)(unsigned char)*s) - ((int)(unsigned int)(unsigned char)*t);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<byte_diff>:
  endbr64
  test   %esi,%esi
  jne    L44
  jmp    L82
  nopw   0x0(%rax,%rax,1)
L1:
  cmp    $0x1,%esi
  je     L82
  movzbl 0x1(%rdi),%eax
  movzbl 0x1(%rdx),%ecx
  cmp    %cl,%al
  jne    L31
  cmp    $0x2,%esi
  je     L82
  movzbl 0x2(%rdi),%eax
  movzbl 0x2(%rdx),%ecx
  cmp    %cl,%al
  jne    L31
  cmp    $0x3,%esi
  je     L82
  movzbl 0x3(%rdi),%eax
  movzbl 0x3(%rdx),%ecx
  cmp    %cl,%al
  jne    L31
  add    $0x4,%rdi
  add    $0x4,%rdx
  sub    $0x4,%esi
  je     L82
L44:
  movzbl (%rdi),%eax
  movzbl (%rdx),%ecx
  cmp    %cl,%al
  je     L1
L31:
  sub    %ecx,%eax
  ret
  nopl   (%rax)
L82:
  xor    %eax,%eax
  ret
```

assistant: ```c
int byte_diff(const char *s, unsigned int n, const char *t) {
  for (;;) {
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
    if (!n)
      return 0;
    if (*s != *t)
      break;
    ++s;
    ++t;
    --n;
  }
  return ((int)(unsigned int)(unsigned char)*s) - ((int)(unsigned int)(unsigned char)*t);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<GetCmdOpt>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L26
  mov    $0x0,%eax
  jmp    L89
L26:
  movl   $0x1,-0x14(%rbp)
  jmp    L73
L1:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,%rbx
  mov    -0x14(%rbp),%eax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    %rax,%rbx
  jne    L88
  mov    -0x14(%rbp),%eax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L22
  mov    -0x14(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x2c(%rbp),%eax
  cmp    %eax,%edx
  jne    L20
  mov    $0x0,%eax
  jmp    L89
L20:
  mov    -0x14(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%eax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  jmp    L89
L88:
  nop
L22:
  addl   $0x1,-0x14(%rbp)
L73:
  mov    -0x2c(%rbp),%eax
  cmp    %eax,-0x14(%rbp)
  jb     L1
  mov    $0x0,%eax
L89:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *GetCmdOpt(const char *switch_name, int arg_argc, char *arg_argv[]) {
  unsigned int i;
  if (arg_argv[1] == NULL) {
    return (NULL);
  }
  for (i = 1; i < arg_argc; i++) {
    if (strlen(switch_name) != strlen(arg_argv[i])) {
      continue;
    }
    if (!strcmp(switch_name, arg_argv[i])) {
      if (i + 1 == arg_argc) {
        return (NULL);
      }
      return (arg_argv[i + 1]);
    }
  }
  return (NULL);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<GetCmdOpt>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %esi,0xc(%rsp)
  mov    0x8(%rdx),%rax
  test   %rax,%rax
  je     L68
  mov    %rdi,%r15
  mov    %esi,%ebx
  mov    %rdx,%r12
  cmp    $0x1,%esi
  jbe    L93
  call   <strlen@plt>
  mov    %rax,%r13
  mov    %ebx,%r14d
  mov    $0x1,%ebx
  jmp    L79
L25:
  add    $0x1,%rbx
  cmp    %r14,%rbx
  je     L91
L79:
  mov    %ebx,0x8(%rsp)
  mov    (%r12,%rbx,8),%rbp
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    %rax,%r13
  jne    L25
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L25
  mov    %ebx,%eax
  add    $0x1,%eax
  cmp    0xc(%rsp),%eax
  je     L50
  mov    %eax,%eax
  mov    (%r12,%rax,8),%rax
  jmp    L68
L91:
  mov    $0x0,%eax
L68:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L93:
  mov    $0x0,%eax
  jmp    L68
L50:
  mov    $0x0,%eax
  jmp    L68
```

assistant: ```c
char *GetCmdOpt(const char *switch_name, int arg_argc, char *arg_argv[]) {
  unsigned int i;
  if (arg_argv[1] == NULL) {
    return (NULL);
  }
  for (i = 1; i < arg_argc; i++) {
    if (strlen(switch_name) != strlen(arg_argv[i])) {
      continue;
    }
    if (!strcmp(switch_name, arg_argv[i])) {
      if (i + 1 == arg_argc) {
        return (NULL);
      }
      return (arg_argv[i + 1]);
    }
  }
  return (NULL);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<GetCmdOpt>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    0x8(%rdx),%rax
  mov    %esi,0xc(%rsp)
  test   %rax,%rax
  je     L55
  mov    %esi,%r15d
  cmp    $0x1,%esi
  jbe    L43
  mov    %rdi,%r14
  mov    %rdx,%rbx
  call   <strlen@plt>
  mov    %rax,%rbp
  mov    %r15d,%eax
  mov    $0x1,%r15d
  mov    %rax,(%rsp)
  nopw   0x0(%rax,%rax,1)
L0:
  mov    (%rbx,%r15,8),%r13
  mov    %r15d,%r12d
  mov    %r13,%rdi
  call   <strlen@plt>
  cmp    %rax,%rbp
  jne    L51
  mov    %r13,%rsi
  mov    %r14,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L30
L51:
  add    $0x1,%r15
  cmp    (%rsp),%r15
  jne    L0
L43:
  xor    %eax,%eax
L55:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L30:
  add    $0x1,%r12d
  cmp    %r12d,0xc(%rsp)
  je     L43
  mov    (%rbx,%r12,8),%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
char *GetCmdOpt(const char *switch_name, int arg_argc, char *arg_argv[]) {
  unsigned int i;
  if (arg_argv[1] == NULL) {
    return (NULL);
  }
  for (i = 1; i < arg_argc; i++) {
    if (strlen(switch_name) != strlen(arg_argv[i])) {
      continue;
    }
    if (!strcmp(switch_name, arg_argv[i])) {
      if (i + 1 == arg_argc) {
        return (NULL);
      }
      return (arg_argv[i + 1]);
    }
  }
  return (NULL);
}
```