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

```asm
<input_huffman>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x3,%esi
  mov    %rax,%rdi
  call   <input_nbits@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x3,-0x4(%rbp)
  jg     L153
  mov    -0x4(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  jmp    L58
L153:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <input_bit@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %eax,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0xc,-0x4(%rbp)
  jg     L125
  mov    -0x4(%rbp),%eax
  sub    $0x8,%eax
  cmp    $0x4,%eax
  ja     L125
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D1(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D1(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x3,%eax
  jmp    L58
  mov    $0x5,%eax
  jmp    L58
  mov    $0xa,%eax
  jmp    L58
  mov    $0xc,%eax
  jmp    L58
  mov    $0xf,%eax
  jmp    L58
L125:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <input_bit@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %eax,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x1e,-0x4(%rbp)
  jg     L129
  mov    -0x4(%rbp),%eax
  sub    $0x1a,%eax
  cmp    $0x4,%eax
  ja     L129
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D13(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D13(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x6,%eax
  jmp    L58
  mov    $0x7,%eax
  jmp    L58
  mov    $0x9,%eax
  jmp    L58
  mov    $0xb,%eax
  jmp    L58
  mov    $0xd,%eax
  jmp    L58
L129:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <input_bit@plt>
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %eax,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x3e,-0x4(%rbp)
  jne    L130
  mov    $0x0,%eax
  jmp    L58
L130:
  mov    $0xe,%eax
L58:
  leave
  ret
```

assistant: ```c
int input_huffman(unsigned char *infile) {
  int c;
  c = input_nbits(infile, 3);
  if (c < 4) {
    return (1 << c);
  }
  c = input_bit(infile) | (c << 1);
  if (c < 13) {
    switch (c) {
    case 8:
      return (3);
    case 9:
      return (5);
    case 10:
      return (10);
    case 11:
      return (12);
    case 12:
      return (15);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c < 31) {
    switch (c) {
    case 26:
      return (6);
    case 27:
      return (7);
    case 28:
      return (9);
    case 29:
      return (11);
    case 30:
      return (13);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c == 62) {
    return (0);
  } else {
    return (14);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<input_huffman>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  mov    $0x3,%esi
  call   <input_nbits@plt>
  mov    %eax,%ebp
  cmp    $0x3,%eax
  jg     L116
  mov    $0x1,%ebx
  mov    %eax,%ecx
  shl    %cl,%ebx
L103:
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L116:
  mov    %r12,%rdi
  call   <input_bit@plt>
  add    %ebp,%ebp
  or     %ebp,%eax
  mov    %eax,%ebx
  cmp    $0xc,%eax
  jg     L139
  lea    -0x8(%rax),%eax
  cmp    $0x4,%eax
  ja     L139
  mov    %eax,%eax
  lea    D2(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x5,%ebx
  jmp    L103
  mov    $0xc,%ebx
  jmp    L103
  mov    $0xf,%ebx
  jmp    L103
L139:
  mov    %r12,%rdi
  call   <input_bit@plt>
  add    %ebx,%ebx
  or     %eax,%ebx
  cmp    $0x1e,%ebx
  jg     L21
  lea    -0x1a(%rbx),%eax
  cmp    $0x4,%eax
  ja     L21
  mov    %eax,%eax
  lea    D9(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x7,%ebx
  jmp    L103
  mov    $0x9,%ebx
  jmp    L103
  mov    $0xb,%ebx
  jmp    L103
  mov    $0xd,%ebx
  jmp    L103
L21:
  mov    %r12,%rdi
  call   <input_bit@plt>
  add    %ebx,%ebx
  or     %ebx,%eax
  cmp    $0x3e,%eax
  mov    $0x0,%ebx
  mov    $0xe,%eax
  cmovne %eax,%ebx
  jmp    L103
  mov    $0x3,%ebx
  jmp    L103
  mov    $0x6,%ebx
  jmp    L103
```

assistant: ```c
int input_huffman(unsigned char *infile) {
  int c;
  c = input_nbits(infile, 3);
  if (c < 4) {
    return (1 << c);
  }
  c = input_bit(infile) | (c << 1);
  if (c < 13) {
    switch (c) {
    case 8:
      return (3);
    case 9:
      return (5);
    case 10:
      return (10);
    case 11:
      return (12);
    case 12:
      return (15);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c < 31) {
    switch (c) {
    case 26:
      return (6);
    case 27:
      return (7);
    case 28:
      return (9);
    case 29:
      return (11);
    case 30:
      return (13);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c == 62) {
    return (0);
  } else {
    return (14);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<input_huffman>:
  endbr64
  push   %rbp
  mov    $0x3,%esi
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <input_nbits@plt>
  mov    %eax,%ebx
  cmp    $0x3,%eax
  jg     L19
  mov    %ebx,%ecx
  add    $0x8,%rsp
  mov    $0x1,%eax
  shl    %cl,%eax
  pop    %rbx
  pop    %rbp
  ret
  xchg   %ax,%ax
L19:
  mov    %rbp,%rdi
  add    %ebx,%ebx
  call   <input_bit@plt>
  or     %eax,%ebx
  cmp    $0xc,%ebx
  jg     L5
  lea    -0x8(%rbx),%eax
  cmp    $0x4,%eax
  jbe    L20
L5:
  mov    %rbp,%rdi
  add    %ebx,%ebx
  call   <input_bit@plt>
  or     %eax,%ebx
  cmp    $0x1e,%ebx
  jg     L29
  lea    -0x1a(%rbx),%eax
  cmp    $0x4,%eax
  ja     L29
  lea    D16(%rip),%rdx
  mov    (%rdx,%rax,4),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L29:
  mov    %rbp,%rdi
  add    %ebx,%ebx
  call   <input_bit@plt>
  mov    $0xe,%edx
  or     %ebx,%eax
  cmp    $0x3e,%eax
  mov    $0x0,%eax
  cmovne %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L20:
  lea    D17(%rip),%rdx
  mov    (%rdx,%rax,4),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D16
type_guessed: string
name: parse_data
arguments: data_tag: D17
type_guessed: string

tool: D16: 

tool: D17: 

assistant: ```c
int input_huffman(unsigned char *infile) {
  int c;
  c = input_nbits(infile, 3);
  if (c < 4) {
    return (1 << c);
  }
  c = input_bit(infile) | (c << 1);
  if (c < 13) {
    switch (c) {
    case 8:
      return (3);
    case 9:
      return (5);
    case 10:
      return (10);
    case 11:
      return (12);
    case 12:
      return (15);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c < 31) {
    switch (c) {
    case 26:
      return (6);
    case 27:
      return (7);
    case 28:
      return (9);
    case 29:
      return (11);
    case 30:
      return (13);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c == 62) {
    return (0);
  } else {
    return (14);
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<input_huffman>:
  endbr64
  push   %rbp
  mov    $0x3,%esi
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <input_nbits@plt>
  mov    %eax,%ebx
  cmp    $0x3,%eax
  jg     L18
  mov    %ebx,%ecx
  add    $0x8,%rsp
  mov    $0x1,%eax
  shl    %cl,%eax
  pop    %rbx
  pop    %rbp
  ret
  xchg   %ax,%ax
L18:
  mov    %rbp,%rdi
  add    %ebx,%ebx
  call   <input_bit@plt>
  or     %eax,%ebx
  cmp    $0xc,%ebx
  jg     L39
  lea    -0x8(%rbx),%eax
  cmp    $0x4,%eax
  jbe    L4
L39:
  mov    %rbp,%rdi
  add    %ebx,%ebx
  call   <input_bit@plt>
  or     %eax,%ebx
  cmp    $0x1e,%ebx
  jg     L38
  lea    -0x1a(%rbx),%eax
  cmp    $0x4,%eax
  ja     L38
  lea    D11(%rip),%rdx
  mov    (%rdx,%rax,4),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L38:
  mov    %rbp,%rdi
  add    %ebx,%ebx
  call   <input_bit@plt>
  mov    $0xe,%edx
  or     %ebx,%eax
  cmp    $0x3e,%eax
  mov    $0x0,%eax
  cmovne %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L4:
  lea    D15(%rip),%rdx
  mov    (%rdx,%rax,4),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D11
type: string
name: unpack_data
arguments: data_tag: D15
type: string

tool: D11: 

tool: D15: 

assistant: ```c
int input_huffman(unsigned char *infile) {
  int c;
  c = input_nbits(infile, 3);
  if (c < 4) {
    return (1 << c);
  }
  c = input_bit(infile) | (c << 1);
  if (c < 13) {
    switch (c) {
    case 8:
      return (3);
    case 9:
      return (5);
    case 10:
      return (10);
    case 11:
      return (12);
    case 12:
      return (15);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c < 31) {
    switch (c) {
    case 26:
      return (6);
    case 27:
      return (7);
    case 28:
      return (9);
    case 29:
      return (11);
    case 30:
      return (13);
    }
  }
  c = input_bit(infile) | (c << 1);
  if (c == 62) {
    return (0);
  } else {
    return (14);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<tst>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    $0x200,%edi
  call   <malloc_aligned@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movb   $0x3,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x2,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x3,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  movb   $0x4,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x5,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x6,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x7,%rax
  movb   $0x0,(%rax)
  mov    D6(%rip),%rax
  mov    (%rax),%edx
  mov    -0x14(%rbp),%eax
  mov    $0x4400,%esi
  mov    %eax,%edi
  call   <lseek@plt>
  mov    -0x8(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    $0x200,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  leave
  ret
```

assistant: ```c
int tst(int f) {
  unsigned char *buff;
  buff = malloc_aligned(0x200);
  buff[0] = 3;
  buff[1] = 0;
  buff[2] = 0;
  buff[3] = 0;
  buff[4] = 0x04;
  buff[5] = 0;
  buff[6] = 0;
  buff[7] = 0;
  lseek(f, 0x4400, SEEK_SET);
  return write(f, buff, 0x200);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<tst>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    $0x200,%edi
  call   <malloc_aligned@plt>
  mov    %rax,%rbx
  movb   $0x3,(%rax)
  movb   $0x0,0x1(%rax)
  movb   $0x0,0x2(%rax)
  movb   $0x0,0x3(%rax)
  movb   $0x4,0x4(%rax)
  movb   $0x0,0x5(%rax)
  movb   $0x0,0x6(%rax)
  movb   $0x0,0x7(%rax)
  mov    D6(%rip),%rax
  mov    (%rax),%edx
  mov    $0x4400,%esi
  mov    %ebp,%edi
  call   <lseek@plt>
  mov    $0x200,%edx
  mov    %rbx,%rsi
  mov    %ebp,%edi
  call   <write@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int tst(int f) {
  unsigned char *buff;
  buff = malloc_aligned(0x200);
  buff[0] = 3;
  buff[1] = 0;
  buff[2] = 0;
  buff[3] = 0;
  buff[4] = 0x04;
  buff[5] = 0;
  buff[6] = 0;
  buff[7] = 0;
  lseek(f, 0x4400, SEEK_SET);
  return write(f, buff, 0x200);
}
```
user: Translate the below assembly code into C programming language:

```asm
<tst>:
  endbr64
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  mov    $0x200,%edi
  sub    $0x8,%rsp
  call   <malloc_aligned@plt>
  mov    %ebp,%edi
  mov    $0x4400,%esi
  mov    %rax,%r12
  movabs $0x400000003,%rax
  mov    %rax,(%r12)
  mov    D8(%rip),%rax
  mov    (%rax),%edx
  call   <lseek@plt>
  add    $0x8,%rsp
  mov    %r12,%rsi
  mov    %ebp,%edi
  mov    $0x200,%edx
  pop    %rbp
  pop    %r12
  jmp    1070 <write@plt>
```

assistant: ```c
int tst(int f) {
  unsigned char *buff;
  buff = malloc_aligned(0x200);
  buff[0] = 3;
  buff[1] = 0;
  buff[2] = 0;
  buff[3] = 0;
  buff[4] = 0x04;
  buff[5] = 0;
  buff[6] = 0;
  buff[7] = 0;
  lseek(f, 0x4400, SEEK_SET);
  return write(f, buff, 0x200);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<Listen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    -0x8(%rbp),%edx
  mov    -0x4(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <listen@plt>
  test   %rax,%rax
  je     L8
  mov    $0x0,%eax
  jmp    L19
L8:
  mov    $0x1,%eax
L19:
  leave
  ret
```

assistant: ```c
unsigned int Listen(int m_hSocket, int nConnectionBacklog) {
  if (listen(m_hSocket, nConnectionBacklog) != 0) {
    return 0;
  }
  return 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<Listen>:
  endbr64
  sub    $0x8,%rsp
  call   <listen@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
unsigned int Listen(int m_hSocket, int nConnectionBacklog) {
  if (listen(m_hSocket, nConnectionBacklog) != 0) {
    return 0;
  }
  return 1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<Listen>:
  endbr64
  sub    $0x8,%rsp
  call   <listen@plt>
  test   %rax,%rax
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
unsigned int Listen(int m_hSocket, int nConnectionBacklog) {
  if (listen(m_hSocket, nConnectionBacklog) != 0) {
    return 0;
  }
  return 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<Listen>:
  endbr64
  sub    $0x8,%rsp
  call   <listen@plt>
  test   %rax,%rax
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
unsigned int Listen(int m_hSocket, int nConnectionBacklog) {
  if (listen(m_hSocket, nConnectionBacklog) != 0) {
    return 0;
  }
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<utils_newer>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x30(%rbp),%rdx
  mov    -0x48(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <lstat@plt>
  mov    %eax,-0x38(%rbp)
  cmpl   $0xffffffff,-0x38(%rbp)
  jne    L19
  mov    $0x0,%eax
  jmp    L22
L19:
  lea    -0x20(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <lstat@plt>
  mov    %eax,-0x34(%rbp)
  cmpl   $0xffffffff,-0x34(%rbp)
  jne    L50
  mov    $0x1,%eax
  jmp    L22
L50:
  mov    -0x30(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  cmp    %rax,%rdx
  jne    L15
  mov    -0x28(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  cmp    %rax,%rdx
  setg   %al
  movzbl %al,%eax
  jmp    L22
L15:
  mov    -0x30(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  cmp    %rax,%rdx
  setg   %al
  movzbl %al,%eax
L22:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L57
  call   <__stack_chk_fail@plt>
L57:
  leave
  ret
```

assistant: ```c
bool utils_newer(const char *a, const char *b) {
  struct stat sta;
  struct stat stb;
  int resa = lstat(a, &sta);
  if (resa == -1)
    return false;
  int resb = lstat(b, &stb);
  if (resb == -1)
    return true;
  if (sta.st_mtim.tv_sec == stb.st_mtim.tv_sec) {
    return sta.st_mtim.tv_nsec > stb.st_mtim.tv_nsec;
  }
  return sta.st_mtim.tv_sec > stb.st_mtim.tv_sec;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<utils_newer>:
  endbr64
  push   %rbx
  sub    $0x30,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <lstat@plt>
  mov    %eax,%edx
  mov    $0x0,%eax
  cmp    $0xffffffff,%edx
  je     L14
  lea    0x10(%rsp),%rsi
  mov    %rbx,%rdi
  call   <lstat@plt>
  mov    %eax,%edx
  mov    $0x1,%eax
  cmp    $0xffffffff,%edx
  je     L14
  mov    (%rsp),%rcx
  mov    0x10(%rsp),%rdx
  cmp    %rdx,%rcx
  setg   %al
  movzbl %al,%eax
  je     L2
L14:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L33
  add    $0x30,%rsp
  pop    %rbx
  ret
L2:
  mov    0x18(%rsp),%rax
  cmp    %rax,0x8(%rsp)
  setg   %al
  movzbl %al,%eax
  jmp    L14
L33:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
bool utils_newer(const char *a, const char *b) {
  struct stat sta;
  struct stat stb;
  int resa = lstat(a, &sta);
  if (resa == -1)
    return false;
  int resb = lstat(b, &stb);
  if (resb == -1)
    return true;
  if (sta.st_mtim.tv_sec == stb.st_mtim.tv_sec) {
    return sta.st_mtim.tv_nsec > stb.st_mtim.tv_nsec;
  }
  return sta.st_mtim.tv_sec > stb.st_mtim.tv_sec;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<utils_newer>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <lstat@plt>
  mov    %eax,%r8d
  xor    %eax,%eax
  cmp    $0xffffffff,%r8d
  je     L28
  lea    0x10(%rsp),%rsi
  mov    %rbp,%rdi
  call   <lstat@plt>
  mov    %eax,%r8d
  mov    $0x1,%eax
  cmp    $0xffffffff,%r8d
  je     L28
  mov    0x10(%rsp),%rax
  cmp    %rax,(%rsp)
  je     L38
  setg   %al
  movzbl %al,%eax
L28:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L36
  add    $0x30,%rsp
  pop    %rbp
  ret
  nopl   0x0(%rax)
L38:
  mov    0x18(%rsp),%rax
  cmp    %rax,0x8(%rsp)
  setg   %al
  movzbl %al,%eax
  jmp    L28
L36:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
bool utils_newer(const char *a, const char *b) {
  struct stat sta;
  struct stat stb;
  int resa = lstat(a, &sta);
  if (resa == -1)
    return false;
  int resb = lstat(b, &stb);
  if (resb == -1)
    return true;
  if (sta.st_mtim.tv_sec == stb.st_mtim.tv_sec) {
    return sta.st_mtim.tv_nsec > stb.st_mtim.tv_nsec;
  }
  return sta.st_mtim.tv_sec > stb.st_mtim.tv_sec;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<utils_newer>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <lstat@plt>
  mov    %eax,%r8d
  xor    %eax,%eax
  cmp    $0xffffffff,%r8d
  je     L40
  lea    0x10(%rsp),%rsi
  mov    %rbp,%rdi
  call   <lstat@plt>
  mov    %eax,%r8d
  mov    $0x1,%eax
  cmp    $0xffffffff,%r8d
  je     L40
  mov    0x10(%rsp),%rax
  cmp    %rax,(%rsp)
  je     L20
  setg   %al
  movzbl %al,%eax
L40:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L16
  add    $0x30,%rsp
  pop    %rbp
  ret
  nopl   0x0(%rax)
L20:
  mov    0x18(%rsp),%rax
  cmp    %rax,0x8(%rsp)
  setg   %al
  movzbl %al,%eax
  jmp    L40
L16:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
bool utils_newer(const char *a, const char *b) {
  struct stat sta;
  struct stat stb;
  int resa = lstat(a, &sta);
  if (resa == -1)
    return false;
  int resb = lstat(b, &stb);
  if (resb == -1)
    return true;
  if (sta.st_mtim.tv_sec == stb.st_mtim.tv_sec) {
    return sta.st_mtim.tv_nsec > stb.st_mtim.tv_nsec;
  }
  return sta.st_mtim.tv_sec > stb.st_mtim.tv_sec;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<ts_cmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rsi,%rax
  mov    %rdi,%r8
  mov    %r8,%rsi
  mov    %r9,%rdi
  mov    %rax,%rdi
  mov    %rsi,-0x10(%rbp)
  mov    %rdi,-0x8(%rbp)
  mov    %rdx,-0x20(%rbp)
  mov    %rcx,-0x18(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  cmp    %rax,%rdx
  jl     L18
  mov    -0x10(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  cmp    %rax,%rdx
  jne    L23
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  cmp    %rax,%rdx
  jge    L23
L18:
  mov    $0xffffffff,%eax
  jmp    L62
L23:
  mov    -0x10(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  cmp    %rax,%rdx
  jg     L26
  mov    -0x10(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  cmp    %rax,%rdx
  jne    L24
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  cmp    %rax,%rdx
  jle    L24
L26:
  mov    $0x1,%eax
  jmp    L62
L24:
  mov    $0x0,%eax
L62:
  pop    %rbp
  ret
```

assistant: ```c
int ts_cmp(struct timespec t1, struct timespec t2) {
  if ((t1.tv_sec < t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec < t2.tv_nsec))) {
    return -1;
  } else if ((t1.tv_sec > t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec > t2.tv_nsec))) {
    return 1;
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ts_cmp>:
  endbr64
  mov    $0xffffffff,%eax
  cmp    %rdx,%rdi
  jl     L15
  sete   %r8b
  cmp    %rcx,%rsi
  jge    L24
  test   %r8b,%r8b
  jne    L21
L24:
  mov    $0x1,%eax
  cmp    %rdx,%rdi
  jg     L15
  cmp    %rcx,%rsi
  setg   %al
  movzbl %al,%eax
  and    %r8d,%eax
  ret
L21:
  mov    $0xffffffff,%eax
L15:
  ret
```

assistant: ```c
int ts_cmp(struct timespec t1, struct timespec t2) {
  if ((t1.tv_sec < t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec < t2.tv_nsec))) {
    return -1;
  } else if ((t1.tv_sec > t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec > t2.tv_nsec))) {
    return 1;
  }
  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
<ts_cmp>:
  endbr64
  mov    $0xffffffff,%eax
  cmp    %rdx,%rdi
  jl     L34
  sete   %r8b
  cmp    %rcx,%rsi
  jge    L17
  test   %r8b,%r8b
  jne    L34
L17:
  mov    $0x1,%eax
  cmp    %rdx,%rdi
  jg     L34
  xor    %eax,%eax
  cmp    %rcx,%rsi
  setg   %al
  and    %r8d,%eax
L34:
  ret
```

assistant: ```c
int ts_cmp(struct timespec t1, struct timespec t2) {
  if ((t1.tv_sec < t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec < t2.tv_nsec))) {
    return -1;
  } else if ((t1.tv_sec > t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec > t2.tv_nsec))) {
    return 1;
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<ts_cmp>:
  endbr64
  mov    $0xffffffff,%eax
  cmp    %rdx,%rdi
  jl     L37
  sete   %r8b
  cmp    %rcx,%rsi
  jge    L26
  test   %r8b,%r8b
  jne    L37
L26:
  mov    $0x1,%eax
  cmp    %rdx,%rdi
  jg     L37
  xor    %eax,%eax
  cmp    %rcx,%rsi
  setg   %al
  and    %r8d,%eax
L37:
  ret
```

assistant: ```c
int ts_cmp(struct timespec t1, struct timespec t2) {
  if ((t1.tv_sec < t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec < t2.tv_nsec))) {
    return -1;
  } else if ((t1.tv_sec > t2.tv_sec) || ((t1.tv_sec == t2.tv_sec) && (t1.tv_nsec > t2.tv_nsec))) {
    return 1;
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<access>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  je     L83
  mov    $0xffffffff,%eax
  jmp    L40
L83:
  mov    D49(%rip),%rax
  mov    (%rax),%eax
  and    -0x1c(%rbp),%eax
  test   %eax,%eax
  je     L89
  mov    -0xc(%rbp),%edx
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  and    %edx,%eax
  test   %eax,%eax
  jne    L89
  mov    $0xffffffff,%eax
  jmp    L40
L89:
  mov    D47(%rip),%rax
  mov    (%rax),%eax
  and    -0x1c(%rbp),%eax
  test   %eax,%eax
  je     L7
  mov    -0xc(%rbp),%edx
  mov    D7(%rip),%rax
  mov    (%rax),%eax
  and    %edx,%eax
  test   %eax,%eax
  jne    L7
  mov    $0xffffffff,%eax
  jmp    L40
L7:
  mov    D36(%rip),%rax
  mov    (%rax),%eax
  and    -0x1c(%rbp),%eax
  test   %eax,%eax
  je     L95
  mov    -0xc(%rbp),%edx
  mov    D57(%rip),%rax
  mov    (%rax),%eax
  and    %edx,%eax
  test   %eax,%eax
  jne    L95
  mov    $0xffffffff,%eax
  jmp    L40
L95:
  mov    $0x0,%eax
L40:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
int access(const char *path, int amode) {
  struct stat statbuf;
  if (stat(path, &statbuf))
    return -1;
  if (amode & R_OK) {
    if (!(statbuf.st_mode & S_IREAD))
      return -1;
  }
  if (amode & W_OK) {
    if (!(statbuf.st_mode & S_IWRITE))
      return -1;
  }
  if (amode & X_OK) {
    if (!(statbuf.st_mode & S_IEXEC))
      return -1;
  }
  return 0;
}
```