ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D111(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <scanf@plt>
  cmpl   $0x9,0x4(%rsp)
  ja     L102
  mov    0x4(%rsp),%eax
  lea    D37(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  lea    D21(%rip),%rdi
  call   <printf@plt>
  nopl   0x0(%rax)
L102:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L95
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
  lea    D2(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D71(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D51(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D31(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D63(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D40(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D53(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D65(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D54(%rip),%rdi
  call   <printf@plt>
  jmp    L102
L95:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D111
type_guessed: string
name: read_data
arguments: data_tag: D21
type_guessed: string
name: read_data
arguments: data_tag: D2
type_guessed: string
name: read_data
arguments: data_tag: D71
type_guessed: string
name: read_data
arguments: data_tag: D51
type_guessed: string
name: read_data
arguments: data_tag: D31
type_guessed: string
name: read_data
arguments: data_tag: D63
type_guessed: string
name: read_data
arguments: data_tag: D40
type_guessed: string
name: read_data
arguments: data_tag: D53
type_guessed: string
name: read_data
arguments: data_tag: D65
type_guessed: string
name: read_data
arguments: data_tag: D54
type_guessed: string

tool: D111: 
%d

tool: D21: 
 zero

tool: D2: 
 eight

tool: D71: 
 nine

tool: D51: 
 one

tool: D31: 
 two

tool: D63: 
 three

tool: D40: 
 four

tool: D53: 
 five

tool: D65: 
 six

tool: D54: 
 seven

assistant: ```c
int main() {
  int n;
  scanf("\n%d", &n);
  switch (n) {
  case 1:
    printf("\n one");
    break;
  case 2:
    printf("\n two");
    break;
  case 3:
    printf("\n three");
    break;
  case 4:
    printf("\n four");
    break;
  case 5:
    printf("\n five");
    break;
  case 6:
    printf("\n six");
    break;
  case 7:
    printf("\n seven");
    break;
  case 8:
    printf("\n eight");
    break;
  case 9:
    printf("\n nine");
    break;
  case 0:
    printf("\n zero");
    break;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D118(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <scanf@plt>
  cmpl   $0x9,0x4(%rsp)
  ja     L34
  mov    0x4(%rsp),%eax
  lea    D117(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  lea    D14(%rip),%rdi
  call   <printf@plt>
  nopl   0x0(%rax)
L34:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L33
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
  lea    D34(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D112(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D74(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D7(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D75(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D23(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D66(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D24(%rip),%rdi
  call   <printf@plt>
  jmp    L34
  lea    D35(%rip),%rdi
  call   <printf@plt>
  jmp    L34
L33:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D118
type: string
name: retrieve_data
arguments: tag: D14
type: string
name: retrieve_data
arguments: tag: D34
type: string
name: retrieve_data
arguments: tag: D112
type: string
name: retrieve_data
arguments: tag: D74
type: string
name: retrieve_data
arguments: tag: D7
type: string
name: retrieve_data
arguments: tag: D75
type: string
name: retrieve_data
arguments: tag: D23
type: string
name: retrieve_data
arguments: tag: D66
type: string
name: retrieve_data
arguments: tag: D24
type: string
name: retrieve_data
arguments: tag: D35
type: string

tool: D118: 
%d

tool: D14: 
 zero

tool: D34: 
 eight

tool: D112: 
 nine

tool: D74: 
 one

tool: D7: 
 two

tool: D75: 
 three

tool: D23: 
 four

tool: D66: 
 five

tool: D24: 
 six

tool: D35: 
 seven

assistant: ```c
int main() {
  int n;
  scanf("\n%d", &n);
  switch (n) {
  case 1:
    printf("\n one");
    break;
  case 2:
    printf("\n two");
    break;
  case 3:
    printf("\n three");
    break;
  case 4:
    printf("\n four");
    break;
  case 5:
    printf("\n five");
    break;
  case 6:
    printf("\n six");
    break;
  case 7:
    printf("\n seven");
    break;
  case 8:
    printf("\n eight");
    break;
  case 9:
    printf("\n nine");
    break;
  case 0:
    printf("\n zero");
    break;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <ft_strlen@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D5
type_guessed: string

tool: D5: lolololololol

assistant: ```c
int main(int argc, const char *argv[]) {
  ft_strlen("lolololololol");
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  lea    D3(%rip),%rdi
  call   <ft_strlen@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D3
type: string

tool: D3: lolololololol

assistant: ```c
int main(int argc, const char *argv[]) {
  ft_strlen("lolololololol");
  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
  lea    D2(%rip),%rdi
  call   <ft_strlen@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: label: D2
type_infered: string

tool: D2: lolololololol

assistant: ```c
int main(int argc, const char *argv[]) {
  ft_strlen("lolololololol");
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  lea    D6(%rip),%rdi
  call   <ft_strlen@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: data_label: D6
type: string

tool: D6: lolololololol

assistant: ```c
int main(int argc, const char *argv[]) {
  ft_strlen("lolololololol");
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x9(%rbp),%rax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movzbl -0x9(%rbp),%eax
  cmp    $0x40,%al
  jle    L71
  movzbl -0x9(%rbp),%eax
  cmp    $0x5a,%al
  jg     L71
  lea    D32(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L70
L71:
  movzbl -0x9(%rbp),%eax
  cmp    $0x2f,%al
  jle    L14
  movzbl -0x9(%rbp),%eax
  cmp    $0x39,%al
  jg     L14
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L70
L14:
  movzbl -0x9(%rbp),%eax
  cmp    $0x60,%al
  jle    L70
  movzbl -0x9(%rbp),%eax
  cmp    $0x7a,%al
  jg     L70
  lea    D34(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L70:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L60
  call   <__stack_chk_fail@plt>
L60:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D6
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D32
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D37
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D34
type_guessed: string

tool: D6: %c

tool: D32: Capital Letter

tool: D37: Digit

tool: D34: Small Letter

assistant: ```c
int main() {
  char x;
  scanf("%c", &x);
  if (x >= 65 && x <= 90) {
    printf("Capital Letter");
  } else if (x >= 48 && x <= 57) {
    printf("Digit");
  } else if (x >= 97 && x <= 122) {
    printf("Small Letter");
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  lea    D30(%rip),%rdi
  call   <scanf@plt>
  movzbl 0x7(%rsp),%eax
  lea    -0x41(%rax),%edx
  cmp    $0x19,%dl
  jbe    L12
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L48
  sub    $0x61,%eax
  cmp    $0x19,%al
  ja     L0
  lea    D26(%rip),%rdi
  call   <printf@plt>
  jmp    L0
L12:
  lea    D25(%rip),%rdi
  call   <printf@plt>
L0:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L34
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L48:
  lea    D2(%rip),%rdi
  call   <printf@plt>
  jmp    L0
L34:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D30
datatype: string
name: disassemble_data
arguments: label: D26
datatype: string
name: disassemble_data
arguments: label: D25
datatype: string
name: disassemble_data
arguments: label: D2
datatype: string

tool: D30: %c

tool: D26: Small Letter

tool: D25: Capital Letter

tool: D2: Digit

assistant: ```c
int main() {
  char x;
  scanf("%c", &x);
  if (x >= 65 && x <= 90) {
    printf("Capital Letter");
  } else if (x >= 48 && x <= 57) {
    printf("Digit");
  } else if (x >= 97 && x <= 122) {
    printf("Small Letter");
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D30(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <scanf@plt>
  movzbl 0x7(%rsp),%eax
  lea    -0x41(%rax),%edx
  cmp    $0x19,%dl
  jbe    L27
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L37
  sub    $0x61,%eax
  cmp    $0x19,%al
  jbe    L32
L29:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L68
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L37:
  lea    D13(%rip),%rdi
  call   <printf@plt>
  jmp    L29
L27:
  lea    D9(%rip),%rdi
  call   <printf@plt>
  jmp    L29
L32:
  lea    D6(%rip),%rdi
  call   <printf@plt>
  jmp    L29
L68:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D30
type: string
name: extract_symbolic_data
arguments: data_tag: D13
type: string
name: extract_symbolic_data
arguments: data_tag: D9
type: string
name: extract_symbolic_data
arguments: data_tag: D6
type: string

tool: D30: %c

tool: D13: Digit

tool: D9: Capital Letter

tool: D6: Small Letter

assistant: ```c
int main() {
  char x;
  scanf("%c", &x);
  if (x >= 65 && x <= 90) {
    printf("Capital Letter");
  } else if (x >= 48 && x <= 57) {
    printf("Digit");
  } else if (x >= 97 && x <= 122) {
    printf("Small Letter");
  }
  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
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D29(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <scanf@plt>
  movzbl 0x7(%rsp),%eax
  lea    -0x41(%rax),%edx
  cmp    $0x19,%dl
  jbe    L60
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L50
  sub    $0x61,%eax
  cmp    $0x19,%al
  jbe    L61
L56:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L31
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L50:
  lea    D20(%rip),%rdi
  call   <printf@plt>
  jmp    L56
L60:
  lea    D27(%rip),%rdi
  call   <printf@plt>
  jmp    L56
L61:
  lea    D26(%rip),%rdi
  call   <printf@plt>
  jmp    L56
L31:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D29
datatype: string
name: parse_data
arguments: label: D20
datatype: string
name: parse_data
arguments: label: D27
datatype: string
name: parse_data
arguments: label: D26
datatype: string

tool: D29: %c

tool: D20: Digit

tool: D27: Capital Letter

tool: D26: Small Letter

assistant: ```c
int main() {
  char x;
  scanf("%c", &x);
  if (x >= 65 && x <= 90) {
    printf("Capital Letter");
  } else if (x >= 48 && x <= 57) {
    printf("Digit");
  } else if (x >= 97 && x <= 122) {
    printf("Small Letter");
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<open_listenfd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  cmpl   $0x0,-0x24(%rbp)
  jg     L2
  movl   $0xbb8,-0x24(%rbp)
L2:
  movl   $0x1,-0x1c(%rbp)
  mov    D38(%rip),%rax
  mov    (%rax),%ecx
  mov    D25(%rip),%rax
  mov    (%rax),%eax
  mov    $0x0,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <socket@plt>
  mov    %eax,-0x18(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  jns    L23
  mov    $0xffffffff,%eax
  jmp    L43
L23:
  mov    D33(%rip),%rax
  mov    (%rax),%edx
  mov    D49(%rip),%rax
  mov    (%rax),%esi
  lea    -0x1c(%rbp),%rcx
  mov    -0x18(%rbp),%eax
  mov    $0x4,%r8d
  mov    %eax,%edi
  call   <setsockopt@plt>
  test   %rax,%rax
  jns    L94
  mov    $0xffffffff,%eax
  jmp    L43
L94:
  lea    -0x14(%rbp),%rax
  mov    $0xc,%esi
  mov    %rax,%rdi
  call   <bzero@plt>
  mov    D25(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0xc(%rbp)
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %eax,-0x10(%rbp)
  mov    -0x24(%rbp),%eax
  movzwl %ax,%eax
  mov    %eax,%edi
  call   <htons@plt>
  mov    %eax,-0x14(%rbp)
  lea    -0x14(%rbp),%rcx
  mov    -0x18(%rbp),%eax
  mov    $0xc,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <bind@plt>
  test   %rax,%rax
  jns    L80
  mov    $0xffffffff,%eax
  jmp    L43
L80:
  mov    -0x18(%rbp),%eax
  mov    $0x400,%esi
  mov    %eax,%edi
  call   <listen@plt>
  test   %rax,%rax
  jns    L79
  mov    $0xffffffff,%eax
  jmp    L43
L79:
  mov    -0x18(%rbp),%eax
L43:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L78
  call   <__stack_chk_fail@plt>
L78:
  leave
  ret
```

assistant: ```c
int open_listenfd(int port) {
  if (port <= 0) {
    port = 3000;
  }
  int listenfd, optval = 1;
  struct sockaddr_in serveraddr;
  if ((listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
    return -1;
  if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (const void *)&optval, sizeof(int)) < 0)
    return -1;
  bzero((char *)&serveraddr, sizeof(serveraddr));
  serveraddr.sin_family = AF_INET;
  serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
  serveraddr.sin_port = htons((unsigned short)port);
  if (bind(listenfd, (struct sockaddr *)&serveraddr, sizeof(serveraddr)) < 0)
    return -1;
  if (listen(listenfd, 1024) < 0)
    return -1;
  return listenfd;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<open_listenfd>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %edi,%r12d
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %edi,%edi
  mov    $0xbb8,%eax
  cmovle %eax,%r12d
  movl   $0x1,0x8(%rsp)
  mov    $0x0,%edx
  mov    D46(%rip),%rax
  mov    (%rax),%esi
  mov    D36(%rip),%rax
  mov    (%rax),%edi
  call   <socket@plt>
  test   %eax,%eax
  js     L31
  mov    %eax,%ebx
  lea    0x8(%rsp),%rcx
  mov    $0x4,%r8d
  mov    D28(%rip),%rax
  mov    (%rax),%edx
  mov    D40(%rip),%rax
  mov    (%rax),%esi
  mov    %ebx,%edi
  call   <setsockopt@plt>
  test   %rax,%rax
  js     L6
  lea    0xc(%rsp),%rbp
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <bzero@plt>
  mov    D36(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x14(%rsp)
  mov    D51(%rip),%rax
  mov    (%rax),%edi
  call   <htonl@plt>
  mov    %eax,0x10(%rsp)
  movzwl %r12w,%edi
  call   <htons@plt>
  mov    %eax,0xc(%rsp)
  mov    $0xc,%edx
  mov    %rbp,%rsi
  mov    %ebx,%edi
  call   <bind@plt>
  test   %rax,%rax
  js     L48
  mov    $0x400,%esi
  mov    %ebx,%edi
  call   <listen@plt>
  test   %rax,%rax
  mov    $0xffffffff,%eax
  cmovs  %eax,%ebx
L10:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L44
  mov    %ebx,%eax
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L31:
  mov    $0xffffffff,%ebx
  jmp    L10
L6:
  mov    $0xffffffff,%ebx
  jmp    L10
L48:
  mov    $0xffffffff,%ebx
  jmp    L10
L44:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int open_listenfd(int port) {
  if (port <= 0) {
    port = 3000;
  }
  int listenfd, optval = 1;
  struct sockaddr_in serveraddr;
  if ((listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
    return -1;
  if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (const void *)&optval, sizeof(int)) < 0)
    return -1;
  bzero((char *)&serveraddr, sizeof(serveraddr));
  serveraddr.sin_family = AF_INET;
  serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
  serveraddr.sin_port = htons((unsigned short)port);
  if (bind(listenfd, (struct sockaddr *)&serveraddr, sizeof(serveraddr)) < 0)
    return -1;
  if (listen(listenfd, 1024) < 0)
    return -1;
  return listenfd;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<open_listenfd>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x28,%rsp
  mov    D16(%rip),%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %edi,%edi
  mov    $0xbb8,%eax
  movl   $0x1,0x8(%rsp)
  cmovle %eax,%ebx
  mov    D0(%rip),%rax
  mov    0x0(%r13),%edi
  xor    %edx,%edx
  mov    (%rax),%esi
  call   <socket@plt>
  test   %eax,%eax
  js     L28
  mov    %eax,%r12d
  mov    D29(%rip),%rax
  lea    0x8(%rsp),%rcx
  mov    $0x4,%r8d
  mov    %r12d,%edi
  mov    (%rax),%edx
  mov    D23(%rip),%rax
  mov    (%rax),%esi
  call   <setsockopt@plt>
  test   %rax,%rax
  js     L28
  lea    0xc(%rsp),%rbp
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <bzero@plt>
  mov    0x0(%r13),%eax
  mov    %eax,0x14(%rsp)
  mov    D2(%rip),%rax
  mov    (%rax),%edi
  call   <htonl@plt>
  movzwl %bx,%edi
  mov    %eax,0x10(%rsp)
  call   <htons@plt>
  mov    $0xc,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  mov    %eax,0xc(%rsp)
  call   <bind@plt>
  test   %rax,%rax
  js     L28
  mov    $0x400,%esi
  mov    %r12d,%edi
  call   <listen@plt>
  test   %rax,%rax
  js     L28
L20:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L18
  add    $0x28,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nop
L28:
  mov    $0xffffffff,%r12d
  jmp    L20
L18:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int open_listenfd(int port) {
  if (port <= 0) {
    port = 3000;
  }
  int listenfd, optval = 1;
  struct sockaddr_in serveraddr;
  if ((listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
    return -1;
  if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (const void *)&optval, sizeof(int)) < 0)
    return -1;
  bzero((char *)&serveraddr, sizeof(serveraddr));
  serveraddr.sin_family = AF_INET;
  serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
  serveraddr.sin_port = htons((unsigned short)port);
  if (bind(listenfd, (struct sockaddr *)&serveraddr, sizeof(serveraddr)) < 0)
    return -1;
  if (listen(listenfd, 1024) < 0)
    return -1;
  return listenfd;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<open_listenfd>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x28,%rsp
  mov    D28(%rip),%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %edi,%edi
  mov    $0xbb8,%eax
  movl   $0x1,0x8(%rsp)
  cmovle %eax,%ebx
  mov    D17(%rip),%rax
  mov    0x0(%r13),%edi
  xor    %edx,%edx
  mov    (%rax),%esi
  call   <socket@plt>
  test   %eax,%eax
  js     L15
  mov    %eax,%r12d
  mov    D15(%rip),%rax
  lea    0x8(%rsp),%rcx
  mov    $0x4,%r8d
  mov    %r12d,%edi
  mov    (%rax),%edx
  mov    D3(%rip),%rax
  mov    (%rax),%esi
  call   <setsockopt@plt>
  test   %rax,%rax
  js     L15
  lea    0xc(%rsp),%rbp
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <bzero@plt>
  mov    0x0(%r13),%eax
  mov    %eax,0x14(%rsp)
  mov    D14(%rip),%rax
  mov    (%rax),%edi
  call   <htonl@plt>
  movzwl %bx,%edi
  mov    %eax,0x10(%rsp)
  call   <htons@plt>
  mov    $0xc,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  mov    %eax,0xc(%rsp)
  call   <bind@plt>
  test   %rax,%rax
  js     L15
  mov    $0x400,%esi
  mov    %r12d,%edi
  call   <listen@plt>
  test   %rax,%rax
  js     L15
L42:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x28,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nop
L15:
  mov    $0xffffffff,%r12d
  jmp    L42
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int open_listenfd(int port) {
  if (port <= 0) {
    port = 3000;
  }
  int listenfd, optval = 1;
  struct sockaddr_in serveraddr;
  if ((listenfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
    return -1;
  if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (const void *)&optval, sizeof(int)) < 0)
    return -1;
  bzero((char *)&serveraddr, sizeof(serveraddr));
  serveraddr.sin_family = AF_INET;
  serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
  serveraddr.sin_port = htons((unsigned short)port);
  if (bind(listenfd, (struct sockaddr *)&serveraddr, sizeof(serveraddr)) < 0)
    return -1;
  if (listen(listenfd, 1024) < 0)
    return -1;
  return listenfd;
}
```
user: Translate the below assembly code into C programming language:

```asm
<timeval_diff_us>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movq   $0x0,-0x8(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L16
  cmpq   $0x0,-0x20(%rbp)
  je     L16
  mov    -0x18(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    (%rax),%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  imul   $0xf4240,%eax,%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  mov    0x8(%rax),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%rax
  mov    0x8(%rax),%rcx
  mov    %rdx,%rax
  sub    %rcx,%rax
  mov    %rax,-0x8(%rbp)
L16:
  mov    -0x8(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
uint64_t timeval_diff_us(struct timeval *stop, struct timeval *start) {
  uint64_t durr_us = 0;
  if (stop && start) {
    durr_us = (stop->tv_sec - start->tv_sec) * 1000000 + stop->tv_usec - start->tv_usec;
  }
  return durr_us;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<timeval_diff_us>:
  endbr64
  test   %rdi,%rdi
  je     L7
  test   %rsi,%rsi
  je     L7
  mov    (%rdi),%eax
  sub    (%rsi),%eax
  imul   $0xf4240,%eax,%eax
  cltq
  add    0x8(%rdi),%rax
  sub    0x8(%rsi),%rax
  ret
L7:
  mov    $0x0,%eax
  ret
```

assistant: ```c
uint64_t timeval_diff_us(struct timeval *stop, struct timeval *start) {
  uint64_t durr_us = 0;
  if (stop && start) {
    durr_us = (stop->tv_sec - start->tv_sec) * 1000000 + stop->tv_usec - start->tv_usec;
  }
  return durr_us;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<timeval_diff_us>:
  endbr64
  test   %rdi,%rdi
  je     L10
  test   %rsi,%rsi
  je     L10
  mov    (%rdi),%eax
  sub    (%rsi),%eax
  imul   $0xf4240,%eax,%eax
  cltq
  add    0x8(%rdi),%rax
  sub    0x8(%rsi),%rax
  ret
  nopl   0x0(%rax,%rax,1)
L10:
  xor    %eax,%eax
  ret
```

assistant: ```c
uint64_t timeval_diff_us(struct timeval *stop, struct timeval *start) {
  uint64_t durr_us = 0;
  if (stop && start) {
    durr_us = (stop->tv_sec - start->tv_sec) * 1000000 + stop->tv_usec - start->tv_usec;
  }
  return durr_us;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<timeval_diff_us>:
  endbr64
  test   %rdi,%rdi
  je     L6
  test   %rsi,%rsi
  je     L6
  mov    (%rdi),%eax
  sub    (%rsi),%eax
  imul   $0xf4240,%eax,%eax
  cltq
  add    0x8(%rdi),%rax
  sub    0x8(%rsi),%rax
  ret
  nopl   0x0(%rax,%rax,1)
L6:
  xor    %eax,%eax
  ret
```

assistant: ```c
uint64_t timeval_diff_us(struct timeval *stop, struct timeval *start) {
  uint64_t durr_us = 0;
  if (stop && start) {
    durr_us = (stop->tv_sec - start->tv_sec) * 1000000 + stop->tv_usec - start->tv_usec;
  }
  return durr_us;
}
```