ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here:

```asm
<game_over>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <draw_msg@plt>
  mov    -0x14(%rbp),%eax
  mov    %eax,%esi
  mov    $0x23,%edi
  call   <draw_player@plt>
  movl   $0x0,-0x4(%rbp)
  mov    $0xffffffff,%edi
  call   <timeout@plt>
L6:
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %eax,%edi
  call   <toupper@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x81,-0x4(%rbp)
  jg     L32
  cmpl   $0x80,-0x4(%rbp)
  jge    L79
  cmpl   $0x51,-0x4(%rbp)
  je     L21
  cmpl   $0x51,-0x4(%rbp)
  jg     L32
  cmpl   $0x44,-0x4(%rbp)
  je     L79
  cmpl   $0x44,-0x4(%rbp)
  jg     L32
  cmpl   $0x1b,-0x4(%rbp)
  je     L21
  cmpl   $0x41,-0x4(%rbp)
  je     L79
  jmp    L32
L21:
  mov    $0x0,%eax
  jmp    L65
L32:
  mov    $0x32,%edi
  call   <timeout@plt>
  mov    $0x1,%eax
  jmp    L65
L79:
  nop
  jmp    L6
L65:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D3
type_guessed: string

tool: D3: LOSE

assistant: ```c
int game_over(const int player_pos) {
  draw_msg("LOSE");
  draw_player('#', player_pos);
  int key = 0;
  timeout(-1);
  while (1) {
    key = toupper(getch());
    switch (key) {
    case 'Q':
    case 27:
      return 0;
    case 'A':
    case 'D':
    case KEY_LEFT:
    case KEY_RIGHT:
      break;
    default:
      timeout(50);
      return 1;
    }
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<game_over>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  lea    D8(%rip),%rdi
  call   <draw_msg@plt>
  mov    %ebx,%esi
  mov    $0x23,%edi
  call   <draw_player@plt>
  mov    $0xffffffff,%edi
  call   <timeout@plt>
L75:
  mov    $0x0,%eax
  call   <getch@plt>
  mov    %eax,%edi
  call   <toupper@plt>
  cmp    $0x44,%eax
  je     L75
  jle    L50
  cmp    $0x51,%eax
  je     L66
  add    $0xffffff80,%eax
  cmp    $0x1,%eax
  jbe    L75
L25:
  mov    $0x32,%edi
  call   <timeout@plt>
  mov    $0x1,%eax
  jmp    L29
L50:
  cmp    $0x1b,%eax
  je     L60
  cmp    $0x41,%eax
  je     L75
  jmp    L25
L60:
  mov    $0x0,%eax
L29:
  pop    %rbx
  ret
L66:
  mov    $0x0,%eax
  jmp    L29
```

tool_calls: name: retrieve_data
arguments: tag: D8
data_type: string

tool: D8: LOSE

assistant: ```c
int game_over(const int player_pos) {
  draw_msg("LOSE");
  draw_player('#', player_pos);
  int key = 0;
  timeout(-1);
  while (1) {
    key = toupper(getch());
    switch (key) {
    case 'Q':
    case 27:
      return 0;
    case 'A':
    case 'D':
    case KEY_LEFT:
    case KEY_RIGHT:
      break;
    default:
      timeout(50);
      return 1;
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<game_over>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  lea    D5(%rip),%rdi
  call   <draw_msg@plt>
  mov    $0x23,%edi
  mov    %ebp,%esi
  call   <draw_player@plt>
  mov    $0xffffffff,%edi
  call   <timeout@plt>
L56:
  xor    %eax,%eax
  call   <getch@plt>
  mov    %eax,%edi
  call   <toupper@plt>
  cmp    $0x44,%eax
  je     L56
  jg     L43
  cmp    $0x1b,%eax
  je     L35
  cmp    $0x41,%eax
  je     L56
  mov    $0x32,%edi
  call   <timeout@plt>
  mov    $0x1,%eax
L7:
  pop    %rbp
  ret
  nopl   0x0(%rax)
L43:
  cmp    $0x51,%eax
  je     L35
  add    $0xffffff80,%eax
  cmp    $0x1,%eax
  jbe    L56
  mov    $0x32,%edi
  call   <timeout@plt>
  mov    $0x1,%eax
  jmp    L7
  xchg   %ax,%ax
L35:
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: tag: D5
data_type: string

tool: D5: LOSE

assistant: ```c
int game_over(const int player_pos) {
  draw_msg("LOSE");
  draw_player('#', player_pos);
  int key = 0;
  timeout(-1);
  while (1) {
    key = toupper(getch());
    switch (key) {
    case 'Q':
    case 27:
      return 0;
    case 'A':
    case 'D':
    case KEY_LEFT:
    case KEY_RIGHT:
      break;
    default:
      timeout(50);
      return 1;
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<game_over>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  lea    D0(%rip),%rdi
  call   <draw_msg@plt>
  mov    $0x23,%edi
  mov    %ebp,%esi
  call   <draw_player@plt>
  mov    $0xffffffff,%edi
  call   <timeout@plt>
L8:
  xor    %eax,%eax
  call   <getch@plt>
  mov    %eax,%edi
  call   <toupper@plt>
  cmp    $0x44,%eax
  je     L8
  jg     L44
  cmp    $0x1b,%eax
  je     L60
  cmp    $0x41,%eax
  je     L8
  mov    $0x32,%edi
  call   <timeout@plt>
  mov    $0x1,%eax
L33:
  pop    %rbp
  ret
  nopl   0x0(%rax)
L44:
  cmp    $0x51,%eax
  je     L60
  add    $0xffffff80,%eax
  cmp    $0x1,%eax
  jbe    L8
  mov    $0x32,%edi
  call   <timeout@plt>
  mov    $0x1,%eax
  jmp    L33
  xchg   %ax,%ax
L60:
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D0
type: string

tool: D0: LOSE

assistant: ```c
int game_over(const int player_pos) {
  draw_msg("LOSE");
  draw_player('#', player_pos);
  int key = 0;
  timeout(-1);
  while (1) {
    key = toupper(getch());
    switch (key) {
    case 'Q':
    case 27:
      return 0;
    case 'A':
    case 'D':
    case KEY_LEFT:
    case KEY_RIGHT:
      break;
    default:
      timeout(50);
      return 1;
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<test_c>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x200,-0x4(%rbp)
L0:
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  call   <disp_str@plt>
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x4(%rbp)
  mov    %eax,%edi
  call   <disp_int@plt>
  lea    D10(%rip),%rax
  mov    %rax,%rdi
  call   <disp_str@plt>
  mov    $0x1,%edi
  call   <delay@plt>
  jmp    L0
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D14
data_type: string
name: extract_symbolic_data
arguments: data_tag: D10
data_type: string

tool: D14: l

tool: D10: $

assistant: ```c
void test_c() {
  int i = 512;
  while (1) {
    disp_str("l");
    disp_int(i++);
    disp_str("$");
    delay(1);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<test_c>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x200,%ebx
  lea    D13(%rip),%r13
  lea    D11(%rip),%r12
L4:
  mov    %r13,%rdi
  call   <disp_str@plt>
  lea    0x1(%rbx),%ebp
  mov    %ebx,%edi
  call   <disp_int@plt>
  mov    %r12,%rdi
  call   <disp_str@plt>
  mov    $0x1,%edi
  call   <delay@plt>
  mov    %ebp,%ebx
  jmp    L4
```

tool_calls: name: read_data
arguments: tag: D13
type_guessed: string
name: read_data
arguments: tag: D11
type_guessed: string

tool: D13: l

tool: D11: $

assistant: ```c
void test_c() {
  int i = 512;
  while (1) {
    disp_str("l");
    disp_int(i++);
    disp_str("$");
    delay(1);
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<test_c>:
  endbr64
  push   %r13
  lea    D10(%rip),%r13
  push   %r12
  lea    D16(%rip),%r12
  push   %rbp
  mov    $0x200,%ebp
  push   %rbx
  sub    $0x8,%rsp
  nopl   0x0(%rax)
L4:
  mov    %r13,%rdi
  lea    0x1(%rbp),%ebx
  call   <disp_str@plt>
  mov    %ebp,%edi
  mov    %ebx,%ebp
  call   <disp_int@plt>
  mov    %r12,%rdi
  call   <disp_str@plt>
  mov    $0x1,%edi
  call   <delay@plt>
  jmp    L4
```

tool_calls: name: unpack_data
arguments: data_tag: D10
data_type: string
name: unpack_data
arguments: data_tag: D16
data_type: string

tool: D10: l

tool: D16: $

assistant: ```c
void test_c() {
  int i = 512;
  while (1) {
    disp_str("l");
    disp_int(i++);
    disp_str("$");
    delay(1);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<test_c>:
  endbr64
  push   %r13
  lea    D11(%rip),%r13
  push   %r12
  lea    D2(%rip),%r12
  push   %rbp
  mov    $0x200,%ebp
  push   %rbx
  sub    $0x8,%rsp
  nopl   0x0(%rax)
L6:
  mov    %r13,%rdi
  lea    0x1(%rbp),%ebx
  call   <disp_str@plt>
  mov    %ebp,%edi
  mov    %ebx,%ebp
  call   <disp_int@plt>
  mov    %r12,%rdi
  call   <disp_str@plt>
  mov    $0x1,%edi
  call   <delay@plt>
  jmp    L6
```

tool_calls: name: read_data
arguments: tag: D11
type: string
name: read_data
arguments: tag: D2
type: string

tool: D11: l

tool: D2: $

assistant: ```c
void test_c() {
  int i = 512;
  while (1) {
    disp_str("l");
    disp_int(i++);
    disp_str("$");
    delay(1);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<alloc_square_matrix>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x1c(%rbp)
  jmp    L1
L0:
  mov    -0x24(%rbp),%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edx
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x18(%rbp),%rax
  lea    (%rcx,%rax,1),%rbx
  mov    %edx,%edi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  addl   $0x1,-0x1c(%rbp)
L1:
  mov    -0x1c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L0
  mov    -0x18(%rbp),%rax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int **alloc_square_matrix(int n) {
  int **m = malloc(n * sizeof(int *));
  for (int i = 0; i < n; ++i) {
    m[i] = malloc(n * sizeof(int));
  }
  return m;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<alloc_square_matrix>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  lea    0x0(,%rdi,8),%edi
  call   <malloc@plt>
  mov    %rax,%r13
  test   %ebp,%ebp
  jle    L4
  lea    0x0(,%rbp,4),%r12d
  mov    %rax,%rbx
  mov    %ebp,%ebp
  lea    (%rax,%rbp,8),%rbp
L7:
  mov    %r12d,%edi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  add    $0x8,%rbx
  cmp    %rbp,%rbx
  jne    L7
L4:
  mov    %r13,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int **alloc_square_matrix(int n) {
  int **m = malloc(n * sizeof(int *));
  for (int i = 0; i < n; ++i) {
    m[i] = malloc(n * sizeof(int));
  }
  return m;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<alloc_square_matrix>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  lea    0x0(,%rbp,8),%edi
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %rax,%r13
  test   %ebp,%ebp
  jle    L15
  lea    0x0(,%rbp,4),%r12d
  mov    %rax,%rbx
  lea    (%rax,%rbp,8),%rbp
  nopw   0x0(%rax,%rax,1)
L6:
  mov    %r12d,%edi
  add    $0x8,%rbx
  call   <malloc@plt>
  mov    %rax,-0x8(%rbx)
  cmp    %rbp,%rbx
  jne    L6
L15:
  add    $0x8,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int **alloc_square_matrix(int n) {
  int **m = malloc(n * sizeof(int *));
  for (int i = 0; i < n; ++i) {
    m[i] = malloc(n * sizeof(int));
  }
  return m;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<alloc_square_matrix>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  lea    0x0(,%rbp,8),%edi
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %rax,%r13
  test   %ebp,%ebp
  jle    L6
  lea    0x0(,%rbp,4),%r12d
  mov    %rax,%rbx
  lea    (%rax,%rbp,8),%rbp
  nopw   0x0(%rax,%rax,1)
L19:
  mov    %r12d,%edi
  add    $0x8,%rbx
  call   <malloc@plt>
  mov    %rax,-0x8(%rbx)
  cmp    %rbp,%rbx
  jne    L19
L6:
  add    $0x8,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int **alloc_square_matrix(int n) {
  int **m = malloc(n * sizeof(int *));
  for (int i = 0; i < n; ++i) {
    m[i] = malloc(n * sizeof(int));
  }
  return m;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<asprintf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xd0,%rsp
  mov    %rdi,-0xc8(%rbp)
  mov    %rsi,-0xd0(%rbp)
  mov    %rdx,-0xa0(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L9
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L9:
  mov    -0xd0(%rbp),%rdx
  mov    -0xb4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    -0xb4(%rbp),%edx
  mov    -0xd0(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <_vscprintf@plt>
  mov    %eax,-0xb8(%rbp)
  cmpl   $0x0,-0xb8(%rbp)
  js     L25
  mov    -0xb8(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    -0xc8(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0xc8(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L40
  movl   $0xffffffff,-0xb8(%rbp)
  jmp    L16
L40:
  mov    -0xb8(%rbp),%eax
  lea    0x1(%rax),%esi
  mov    -0xc8(%rbp),%rax
  mov    (%rax),%rax
  mov    -0xb4(%rbp),%ecx
  mov    -0xd0(%rbp),%rdx
  mov    %rax,%rdi
  call   <_vsnprintf@plt>
  mov    -0xc8(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0xb8(%rbp),%eax
  cltq
  add    %rdx,%rax
  movb   $0x0,(%rax)
  jmp    L16
L25:
  nop
L16:
  mov    -0xb4(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  mov    -0xb8(%rbp),%eax
  leave
  ret
```

assistant: ```c
int asprintf(char **__restrict__ ret, const char *__restrict__ format, ...) {
  va_list ap;
  int len;
  va_start(ap, format);
  len = _vscprintf(format, ap);
  if (len < 0)
    goto _end;
  *ret = malloc(len + 1);
  if (!*ret) {
    len = -1;
    goto _end;
  }
  _vsnprintf(*ret, len + 1, format, ap);
  (*ret)[len] = '\0';
_end:
  va_end(ap);
  return len;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<asprintf>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r13
  mov    %rsi,%r12
  mov    $0x0,%ebp
  mov    %ebp,%edi
  call   <va_start@plt>
  mov    %ebp,%esi
  mov    %r12,%rdi
  call   <_vscprintf@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  js     L1
  lea    0x1(%rax),%r14d
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  mov    %rax,0x0(%r13)
  test   %rax,%rax
  je     L22
  mov    %ebp,%ecx
  mov    %r12,%rdx
  mov    %r14d,%esi
  call   <_vsnprintf@plt>
  movslq %ebx,%rax
  mov    0x0(%r13),%rdx
  movb   $0x0,(%rdx,%rax,1)
L1:
  mov    $0x0,%ebp
  mov    %ebp,%edi
  call   <va_end@plt>
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L22:
  mov    $0xffffffff,%ebx
  jmp    L1
```

assistant: ```c
int asprintf(char **__restrict__ ret, const char *__restrict__ format, ...) {
  va_list ap;
  int len;
  va_start(ap, format);
  len = _vscprintf(format, ap);
  if (len < 0)
    goto _end;
  *ret = malloc(len + 1);
  if (!*ret) {
    len = -1;
    goto _end;
  }
  _vsnprintf(*ret, len + 1, format, ap);
  (*ret)[len] = '\0';
_end:
  va_end(ap);
  return len;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<asprintf>:
  endbr64
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rdi,%rbx
  mov    %ebp,%edi
  call   <va_start@plt>
  mov    %ebp,%esi
  mov    %r13,%rdi
  call   <_vscprintf@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  js     L4
  lea    0x1(%rax),%r14d
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  mov    %rax,%rdi
  test   %rax,%rax
  je     L10
  mov    %r13,%rdx
  mov    %ebp,%ecx
  mov    %r14d,%esi
  call   <_vsnprintf@plt>
  mov    (%rbx),%rdx
  movslq %r12d,%rax
  movb   $0x0,(%rdx,%rax,1)
L4:
  xor    %edi,%edi
  call   <va_end@plt>
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L10:
  mov    $0xffffffff,%r12d
  jmp    L4
```

assistant: ```c
int asprintf(char **__restrict__ ret, const char *__restrict__ format, ...) {
  va_list ap;
  int len;
  va_start(ap, format);
  len = _vscprintf(format, ap);
  if (len < 0)
    goto _end;
  *ret = malloc(len + 1);
  if (!*ret) {
    len = -1;
    goto _end;
  }
  _vsnprintf(*ret, len + 1, format, ap);
  (*ret)[len] = '\0';
_end:
  va_end(ap);
  return len;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<asprintf>:
  endbr64
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rdi,%rbx
  mov    %ebp,%edi
  call   <va_start@plt>
  mov    %ebp,%esi
  mov    %r13,%rdi
  call   <_vscprintf@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  js     L6
  lea    0x1(%rax),%r14d
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  mov    %rax,%rdi
  test   %rax,%rax
  je     L24
  mov    %r13,%rdx
  mov    %ebp,%ecx
  mov    %r14d,%esi
  call   <_vsnprintf@plt>
  mov    (%rbx),%rdx
  movslq %r12d,%rax
  movb   $0x0,(%rdx,%rax,1)
L6:
  xor    %edi,%edi
  call   <va_end@plt>
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L24:
  mov    $0xffffffff,%r12d
  jmp    L6
```

assistant: ```c
int asprintf(char **__restrict__ ret, const char *__restrict__ format, ...) {
  va_list ap;
  int len;
  va_start(ap, format);
  len = _vscprintf(format, ap);
  if (len < 0)
    goto _end;
  *ret = malloc(len + 1);
  if (!*ret) {
    len = -1;
    goto _end;
  }
  _vsnprintf(*ret, len + 1, format, ap);
  (*ret)[len] = '\0';
_end:
  va_end(ap);
  return len;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strncmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L18
L38:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jne    L28
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L28
  addq   $0x1,-0x18(%rbp)
  addq   $0x1,-0x20(%rbp)
  subq   $0x1,-0x28(%rbp)
L18:
  cmpq   $0x0,-0x28(%rbp)
  jne    L38
L28:
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  int diff = 0;
  while (n > 0) {
    diff = (unsigned char)*s1 - (unsigned char)*s2;
    if (diff || !*s1)
      break;
    s1++;
    s2++;
    n--;
  }
  return diff;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<strncmp>:
  endbr64
  test   %rdx,%rdx
  je     L18
  mov    $0x0,%ecx
L34:
  movzbl (%rdi,%rcx,1),%r8d
  movzbl %r8b,%eax
  movzbl (%rsi,%rcx,1),%r9d
  sub    %r9d,%eax
  test   %r8b,%r8b
  je     L5
  test   %eax,%eax
  jne    L5
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L34
  ret
L18:
  mov    $0x0,%eax
L5:
  ret
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  int diff = 0;
  while (n > 0) {
    diff = (unsigned char)*s1 - (unsigned char)*s2;
    if (diff || !*s1)
      break;
    s1++;
    s2++;
    n--;
  }
  return diff;
}
```
user: What is the c source code of the assembly code below:

```asm
<strncmp>:
  endbr64
  test   %rdx,%rdx
  je     L25
  xor    %ecx,%ecx
  jmp    L18
  nopl   (%rax)
L30:
  test   %r9b,%r9b
  je     L33
  add    $0x1,%rcx
  cmp    %rcx,%rdx
  je     L5
L18:
  movzbl (%rdi,%rcx,1),%eax
  movzbl (%rsi,%rcx,1),%r8d
  mov    %eax,%r9d
  sub    %r8d,%eax
  je     L30
L33:
  ret
L5:
  ret
L25:
  xor    %eax,%eax
  ret
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  int diff = 0;
  while (n > 0) {
    diff = (unsigned char)*s1 - (unsigned char)*s2;
    if (diff || !*s1)
      break;
    s1++;
    s2++;
    n--;
  }
  return diff;
}
```
user: Translate the below assembly code into C programming language:

```asm
<strncmp>:
  endbr64
  test   %rdx,%rdx
  je     L40
  xor    %ecx,%ecx
  jmp    L49
  nopl   (%rax)
L10:
  test   %r9b,%r9b
  je     L47
  add    $0x1,%rcx
  cmp    %rcx,%rdx
  je     L7
L49:
  movzbl (%rdi,%rcx,1),%eax
  movzbl (%rsi,%rcx,1),%r8d
  mov    %eax,%r9d
  sub    %r8d,%eax
  je     L10
L47:
  ret
L7:
  ret
L40:
  xor    %eax,%eax
  ret
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  int diff = 0;
  while (n > 0) {
    diff = (unsigned char)*s1 - (unsigned char)*s2;
    if (diff || !*s1)
      break;
    s1++;
    s2++;
    n--;
  }
  return diff;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<os_SubstSuffix>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <os_GetSuffixPtr@plt>
  cltq
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L5
  mov    -0x30(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <xstrmerge2@plt>
  cltq
  jmp    L17
L5:
  mov    -0x20(%rbp),%rax
  sub    -0x28(%rbp),%rax
  mov    %rax,%rbx
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %rbx,%rax
  add    $0x1,%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <xcalloc@plt>
  cltq
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  sub    -0x28(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x18(%rbp),%rax
L17:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *os_SubstSuffix(char const *path, char const *suffix) {
  char *s = os_GetSuffixPtr(path);
  char *r;
  if (!s) {
    return xstrmerge2(path, suffix);
  }
  ((r) = (typeof(r))xcalloc((s - path + strlen(suffix) + 1), sizeof((r)[0])));
  memcpy(r, path, s - path);
  strcat(r, suffix);
  return r;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<os_SubstSuffix>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r12
  mov    $0x0,%eax
  call   <os_GetSuffixPtr@plt>
  test   %eax,%eax
  je     L13
  movslq %eax,%rbx
  sub    %rbp,%rbx
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    0x1(%rbx,%rax,1),%rdi
  mov    $0x1,%esi
  mov    $0x0,%eax
  call   <xcalloc@plt>
  movslq %eax,%r13
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <memcpy@plt>
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <strcat@plt>
L19:
  mov    %r13,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L13:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <xstrmerge2@plt>
  movslq %eax,%r13
  jmp    L19
```

assistant: ```c
char *os_SubstSuffix(char const *path, char const *suffix) {
  char *s = os_GetSuffixPtr(path);
  char *r;
  if (!s) {
    return xstrmerge2(path, suffix);
  }
  ((r) = (typeof(r))xcalloc((s - path + strlen(suffix) + 1), sizeof((r)[0])));
  memcpy(r, path, s - path);
  strcat(r, suffix);
  return r;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<os_SubstSuffix>:
  endbr64
  push   %r13
  xor    %eax,%eax
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  call   <os_GetSuffixPtr@plt>
  test   %eax,%eax
  je     L8
  mov    %r13,%rdi
  movslq %eax,%r12
  call   <strlen@plt>
  sub    %rbp,%r12
  mov    $0x1,%esi
  lea    0x1(%r12,%rax,1),%rdi
  xor    %eax,%eax
  call   <xcalloc@plt>
  mov    %r12,%rdx
  mov    %rbp,%rsi
  movslq %eax,%r8
  mov    %r8,%rdi
  call   <memcpy@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  pop    %rbp
  pop    %r12
  mov    %rax,%r8
  pop    %r13
  mov    %r8,%rax
  ret
  nopl   0x0(%rax)
L8:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <xstrmerge2@plt>
  pop    %rbp
  pop    %r12
  movslq %eax,%r8
  pop    %r13
  mov    %r8,%rax
  ret
```

assistant: ```c
char *os_SubstSuffix(char const *path, char const *suffix) {
  char *s = os_GetSuffixPtr(path);
  char *r;
  if (!s) {
    return xstrmerge2(path, suffix);
  }
  ((r) = (typeof(r))xcalloc((s - path + strlen(suffix) + 1), sizeof((r)[0])));
  memcpy(r, path, s - path);
  strcat(r, suffix);
  return r;
}
```