ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below?

```asm
<extract_uint16>:
  endbr64
  lea    -0x2(%rsi,%rsi,1),%eax
  cltq
  movzbl 0x1(%rax,%rdi,1),%eax
  ret
```

assistant: ```c
int extract_uint16(unsigned char *p, int halfwordid) {
  uint16_t r;
  unsigned char *b = p;
  b += (halfwordid - 1) * 2;
  r = (b[0] << 8) + b[1];
  return ((int)r);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<extract_uint16>:
  endbr64
  lea    -0x2(%rsi,%rsi,1),%eax
  cltq
  movzbl 0x1(%rax,%rdi,1),%eax
  ret
```

assistant: ```c
int extract_uint16(unsigned char *p, int halfwordid) {
  uint16_t r;
  unsigned char *b = p;
  b += (halfwordid - 1) * 2;
  r = (b[0] << 8) + b[1];
  return ((int)r);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<dectobin>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x1c0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x1,-0x1b8(%rbp)
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x1b0(%rbp),%rax
  mov    %rax,%rsi
  lea    D32(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0x1b0(%rbp),%rax
  mov    %rax,-0x1a8(%rbp)
  jmp    L43
L42:
  mov    -0x1a8(%rbp),%rax
  cqto
  shr    $0x3f,%rdx
  add    %rdx,%rax
  and    $0x1,%eax
  sub    %rdx,%rax
  mov    %rax,%rcx
  mov    -0x1b8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x1b8(%rbp)
  mov    %ecx,%edx
  cltq
  mov    %edx,-0x1a0(%rbp,%rax,4)
  mov    -0x1a8(%rbp),%rax
  mov    %rax,%rdx
  shr    $0x3f,%rdx
  add    %rdx,%rax
  sar    %rax
  mov    %rax,-0x1a8(%rbp)
L43:
  cmpq   $0x0,-0x1a8(%rbp)
  jne    L42
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x1b8(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x1b4(%rbp)
  jmp    L44
L49:
  mov    -0x1b4(%rbp),%eax
  cltq
  mov    -0x1a0(%rbp,%rax,4),%eax
  mov    %eax,%esi
  lea    D35(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  subl   $0x1,-0x1b4(%rbp)
L44:
  cmpl   $0x0,-0x1b4(%rbp)
  jg     L49
  nop
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L38
  call   <__stack_chk_fail@plt>
L38:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D2
type_infered: string
name: extract_symbolic_data
arguments: data_label: D32
type_infered: string
name: extract_symbolic_data
arguments: data_label: D1
type_infered: string
name: extract_symbolic_data
arguments: data_label: D35
type_infered: string

tool: D2: 
Enter a decimal number: 

tool: D32: %ld

tool: D1: 
The number in binary: 

tool: D35: %d

assistant: ```c
int dectobin() {
  long int num, a;
  int arr[100], i = 1, j;
  printf("\nEnter a decimal number: ");
  scanf("%ld", &num);
  a = num;
  while (a != 0) {
    arr[i++] = a % 2;
    a = a / 2;
  }
  printf("\nThe number in binary: ");
  for (j = i - 1; j > 0; j--)
    printf("%d", arr[j]);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<dectobin>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1b0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1a8(%rsp)
  xor    %eax,%eax
  lea    D28(%rip),%rdi
  call   <printf@plt>
  lea    0x8(%rsp),%rsi
  lea    D37(%rip),%rdi
  call   <scanf@plt>
  mov    0x8(%rsp),%rdx
  test   %rdx,%rdx
  je     L26
  mov    $0x1,%ecx
L11:
  mov    %ecx,%ebx
  mov    %rdx,%rsi
  shr    $0x3f,%rsi
  lea    (%rdx,%rsi,1),%rax
  and    $0x1,%eax
  sub    %rsi,%rax
  mov    %eax,0x10(%rsp,%rcx,4)
  mov    %rsi,%rax
  add    %rdx,%rax
  sar    %rax
  mov    %rax,%rdx
  mov    %rcx,%rbp
  add    $0x1,%rcx
  test   %rax,%rax
  jne    L11
  lea    D8(%rip),%rdi
  call   <printf@plt>
  test   %ebx,%ebx
  jle    L35
  movslq %ebx,%rbx
  lea    0x0(,%rbx,4),%rax
  lea    0x10(%rsp,%rax,1),%rbx
  lea    0xc(%rsp,%rax,1),%rax
  lea    -0x1(%rbp),%edx
  shl    $0x2,%rdx
  sub    %rdx,%rax
  mov    %rax,%rbp
  lea    D31(%rip),%r12
L49:
  mov    (%rbx),%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  sub    $0x4,%rbx
  cmp    %rbp,%rbx
  jne    L49
L35:
  mov    0x1a8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L45
  mov    $0x0,%eax
  add    $0x1b0,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L26:
  lea    D8(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L35
L45:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D28
type_infered: string
name: parse_data
arguments: label: D37
type_infered: string
name: parse_data
arguments: label: D8
type_infered: string
name: parse_data
arguments: label: D31
type_infered: string

tool: D28: 
Enter a decimal number: 

tool: D37: %ld

tool: D8: 
The number in binary: 

tool: D31: %d

assistant: ```c
int dectobin() {
  long int num, a;
  int arr[100], i = 1, j;
  printf("\nEnter a decimal number: ");
  scanf("%ld", &num);
  a = num;
  while (a != 0) {
    arr[i++] = a % 2;
    a = a / 2;
  }
  printf("\nThe number in binary: ");
  for (j = i - 1; j > 0; j--)
    printf("%d", arr[j]);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<dectobin>:
  endbr64
  push   %r12
  lea    D3(%rip),%rdi
  push   %rbp
  push   %rbx
  sub    $0x1c0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1b8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x18(%rsp),%rsi
  lea    D34(%rip),%rdi
  call   <scanf@plt>
  mov    0x18(%rsp),%rax
  test   %rax,%rax
  je     L44
  mov    $0x1,%ecx
  lea    0x20(%rsp),%rbx
  nopw   0x0(%rax,%rax,1)
L37:
  mov    %rax,%rsi
  mov    %ecx,%ebp
  shr    $0x3f,%rsi
  lea    (%rax,%rsi,1),%rdx
  and    $0x1,%edx
  sub    %rsi,%rdx
  mov    %edx,(%rbx,%rcx,4)
  mov    %edx,%esi
  mov    %rax,%rdx
  add    $0x1,%rcx
  shr    $0x3f,%rdx
  add    %rdx,%rax
  sar    %rax
  jne    L37
  lea    D22(%rip),%rdi
  xor    %eax,%eax
  sub    $0x1,%ebp
  mov    %esi,0xc(%rsp)
  call   <printf@plt>
  movslq %ebp,%rbp
  mov    0xc(%rsp),%esi
  lea    D25(%rip),%r12
  jmp    L21
L50:
  mov    (%rbx,%rbp,4),%esi
  sub    $0x1,%rbp
L21:
  xor    %eax,%eax
  mov    %r12,%rdi
  call   <printf@plt>
  test   %ebp,%ebp
  jne    L50
L1:
  mov    0x1b8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x1c0,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L44:
  lea    D22(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L1
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D3
type_infered: string
name: read_data
arguments: data_label: D34
type_infered: string
name: read_data
arguments: data_label: D22
type_infered: string
name: read_data
arguments: data_label: D25
type_infered: string

tool: D3: 
Enter a decimal number: 

tool: D34: %ld

tool: D22: 
The number in binary: 

tool: D25: %d

assistant: ```c
int dectobin() {
  long int num, a;
  int arr[100], i = 1, j;
  printf("\nEnter a decimal number: ");
  scanf("%ld", &num);
  a = num;
  while (a != 0) {
    arr[i++] = a % 2;
    a = a / 2;
  }
  printf("\nThe number in binary: ");
  for (j = i - 1; j > 0; j--)
    printf("%d", arr[j]);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<dectobin>:
  endbr64
  push   %r12
  lea    D30(%rip),%rdi
  push   %rbp
  push   %rbx
  sub    $0x1b0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1a8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x8(%rsp),%rsi
  lea    D7(%rip),%rdi
  call   <scanf@plt>
  mov    0x8(%rsp),%rax
  test   %rax,%rax
  je     L45
  mov    $0x1,%ecx
  lea    0x10(%rsp),%rbx
  nopw   0x0(%rax,%rax,1)
L30:
  mov    %rax,%rsi
  mov    %ecx,%r12d
  shr    $0x3f,%rsi
  lea    (%rax,%rsi,1),%rdx
  add    %rsi,%rax
  and    $0x1,%edx
  sub    %rsi,%rdx
  mov    %edx,(%rbx,%rcx,4)
  add    $0x1,%rcx
  sar    %rax
  jne    L30
  lea    D27(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movslq %r12d,%rax
  shl    $0x2,%rax
  lea    0xc(%rsp,%rax,1),%rbp
  add    %rax,%rbx
  lea    -0x1(%r12),%eax
  shl    $0x2,%rax
  lea    D29(%rip),%r12
  sub    %rax,%rbp
  nopl   0x0(%rax,%rax,1)
L9:
  mov    (%rbx),%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  sub    $0x4,%rbx
  call   <printf@plt>
  cmp    %rbp,%rbx
  jne    L9
L35:
  mov    0x1a8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L17
  add    $0x1b0,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  xchg   %ax,%ax
L45:
  lea    D27(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L35
L17:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D30
type_guessed: string
name: disassemble_data
arguments: label: D7
type_guessed: string
name: disassemble_data
arguments: label: D27
type_guessed: string
name: disassemble_data
arguments: label: D29
type_guessed: string

tool: D30: 
Enter a decimal number: 

tool: D7: %ld

tool: D27: 
The number in binary: 

tool: D29: %d

assistant: ```c
int dectobin() {
  long int num, a;
  int arr[100], i = 1, j;
  printf("\nEnter a decimal number: ");
  scanf("%ld", &num);
  a = num;
  while (a != 0) {
    arr[i++] = a % 2;
    a = a / 2;
  }
  printf("\nThe number in binary: ");
  for (j = i - 1; j > 0; j--)
    printf("%d", arr[j]);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<familia>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: label: D0
type_infered: string

tool: D0: 
Meus bits...digo, minha familia vai bem!


assistant: ```c
void familia(void) {
  printf("\nMeus bits...digo, minha familia vai bem!\n");
  return;
}
```
user: Translate the below assembly code into C programming language:

```asm
<familia>:
  endbr64
  sub    $0x8,%rsp
  lea    D5(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D5
type_guessed: string

tool: D5: 
Meus bits...digo, minha familia vai bem!


assistant: ```c
void familia(void) {
  printf("\nMeus bits...digo, minha familia vai bem!\n");
  return;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<familia>:
  endbr64
  lea    D3(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: retrieve_data
arguments: label: D3
data_type: string

tool: D3: 
Meus bits...digo, minha familia vai bem!


assistant: ```c
void familia(void) {
  printf("\nMeus bits...digo, minha familia vai bem!\n");
  return;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<familia>:
  endbr64
  lea    D5(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D5
type_infered: string

tool: D5: 
Meus bits...digo, minha familia vai bem!


assistant: ```c
void familia(void) {
  printf("\nMeus bits...digo, minha familia vai bem!\n");
  return;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<freelist>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L6
L0:
  mov    -0x8(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
L6:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L0
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  nop
  leave
  ret
```

assistant: ```c
void freelist(char **list) {
  char **cp = list;
  while (*cp) {
    free(*cp++);
  }
  free(list);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<freelist>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L10
  mov    %rbp,%rbx
L15:
  add    $0x8,%rbx
  call   <free@plt>
  mov    (%rbx),%rdi
  test   %rdi,%rdi
  jne    L15
L10:
  mov    %rbp,%rdi
  call   <free@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void freelist(char **list) {
  char **cp = list;
  while (*cp) {
    free(*cp++);
  }
  free(list);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<freelist>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L0
  mov    %rbp,%rbx
  nopl   0x0(%rax,%rax,1)
L3:
  call   <free@plt>
  mov    0x8(%rbx),%rdi
  add    $0x8,%rbx
  test   %rdi,%rdi
  jne    L3
L0:
  add    $0x8,%rsp
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1050 <free@plt>
```

assistant: ```c
void freelist(char **list) {
  char **cp = list;
  while (*cp) {
    free(*cp++);
  }
  free(list);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<freelist>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L7
  mov    %rbp,%rbx
  nopl   0x0(%rax,%rax,1)
L18:
  call   <free@plt>
  mov    0x8(%rbx),%rdi
  add    $0x8,%rbx
  test   %rdi,%rdi
  jne    L18
L7:
  add    $0x8,%rsp
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1050 <free@plt>
```

assistant: ```c
void freelist(char **list) {
  char **cp = list;
  while (*cp) {
    free(*cp++);
  }
  free(list);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<timestamp_to_timeval>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <timestamp_seconds@plt>
  mov    -0x10(%rbp),%rdx
  mov    %eax,0x4(%rdx)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <timestamp_useconds@plt>
  mov    -0x10(%rbp),%rdx
  mov    %eax,(%rdx)
  nop
  leave
  ret
```

assistant: ```c
void timestamp_to_timeval(int64_t v, struct timeval *tv) {
  tv->tv_sec = timestamp_seconds(v);
  tv->tv_usec = timestamp_useconds(v);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<timestamp_to_timeval>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    %rsi,%rbx
  call   <timestamp_seconds@plt>
  mov    %eax,0x4(%rbx)
  mov    %ebp,%edi
  call   <timestamp_useconds@plt>
  mov    %eax,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void timestamp_to_timeval(int64_t v, struct timeval *tv) {
  tv->tv_sec = timestamp_seconds(v);
  tv->tv_usec = timestamp_useconds(v);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<timestamp_to_timeval>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  call   <timestamp_seconds@plt>
  mov    %ebp,%edi
  mov    %eax,0x4(%rbx)
  call   <timestamp_useconds@plt>
  mov    %eax,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void timestamp_to_timeval(int64_t v, struct timeval *tv) {
  tv->tv_sec = timestamp_seconds(v);
  tv->tv_usec = timestamp_useconds(v);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<timestamp_to_timeval>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  call   <timestamp_seconds@plt>
  mov    %ebp,%edi
  mov    %eax,0x4(%rbx)
  call   <timestamp_useconds@plt>
  mov    %eax,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void timestamp_to_timeval(int64_t v, struct timeval *tv) {
  tv->tv_sec = timestamp_seconds(v);
  tv->tv_usec = timestamp_useconds(v);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<parse_token_end_index>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    -0x20(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L5
  mov    -0x1c(%rbp),%eax
  jmp    L10
L5:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L23
  mov    -0x20(%rbp),%eax
  add    $0x1,%eax
  jmp    L10
L23:
  mov    -0x20(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L42
L34:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L54
  mov    -0x4(%rbp),%eax
  jmp    L10
L54:
  addl   $0x1,-0x4(%rbp)
L42:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L34
  mov    -0x1c(%rbp),%eax
L10:
  leave
  ret
```

assistant: ```c
int parse_token_end_index(char *line_buffer, int line_len, int start_index) {
  if (start_index >= line_len) {
    return line_len;
  }
  if (!isalnum(line_buffer[start_index])) {
    return start_index + 1;
  }
  for (int i = start_index + 1; i < line_len; i++) {
    if (!isalnum(line_buffer[i])) {
      return i;
    }
  }
  return line_len;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<parse_token_end_index>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %esi,%r12d
  cmp    %esi,%edx
  jl     L18
L51:
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L18:
  mov    %rdi,%rbp
  mov    %edx,%r13d
  movslq %edx,%r14
  movsbl (%rdi,%r14,1),%edi
  call   <isalnum@plt>
  test   %eax,%eax
  je     L21
  lea    0x1(%r13),%ebx
  cmp    %ebx,%r12d
  jle    L51
  movslq %ebx,%rbx
  lea    -0x2(%r12),%eax
  sub    %r13d,%eax
  lea    0x2(%r14,%rax,1),%r14
L19:
  movsbl 0x0(%rbp,%rbx,1),%edi
  call   <isalnum@plt>
  test   %eax,%eax
  je     L39
  add    $0x1,%rbx
  cmp    %r14,%rbx
  jne    L19
  jmp    L51
L21:
  lea    0x1(%r13),%r12d
  jmp    L51
L39:
  mov    %ebx,%r12d
  jmp    L51
```

assistant: ```c
int parse_token_end_index(char *line_buffer, int line_len, int start_index) {
  if (start_index >= line_len) {
    return line_len;
  }
  if (!isalnum(line_buffer[start_index])) {
    return start_index + 1;
  }
  for (int i = start_index + 1; i < line_len; i++) {
    if (!isalnum(line_buffer[i])) {
      return i;
    }
  }
  return line_len;
}
```
user: Translate the below assembly code into C programming language:

```asm
<parse_token_end_index>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmp    %esi,%edx
  jl     L31
L6:
  mov    %r12d,%r14d
L57:
  add    $0x8,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L31:
  movslq %edx,%r15
  mov    %rdi,%rbp
  mov    %edx,%r13d
  movsbl (%rdi,%r15,1),%edi
  lea    0x1(%r13),%r14d
  call   <isalnum@plt>
  test   %eax,%eax
  je     L57
  cmp    %r14d,%r12d
  jle    L6
  lea    -0x2(%r12),%eax
  movslq %r14d,%rbx
  sub    %r13d,%eax
  lea    0x2(%r15,%rax,1),%r13
  jmp    L50
  nopw   0x0(%rax,%rax,1)
L33:
  add    $0x1,%rbx
  cmp    %r13,%rbx
  je     L6
L50:
  movsbl 0x0(%rbp,%rbx,1),%edi
  mov    %ebx,%r14d
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L33
  jmp    L57
```

assistant: ```c
int parse_token_end_index(char *line_buffer, int line_len, int start_index) {
  if (start_index >= line_len) {
    return line_len;
  }
  if (!isalnum(line_buffer[start_index])) {
    return start_index + 1;
  }
  for (int i = start_index + 1; i < line_len; i++) {
    if (!isalnum(line_buffer[i])) {
      return i;
    }
  }
  return line_len;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<parse_token_end_index>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmp    %esi,%edx
  jl     L63
L0:
  mov    %r12d,%r14d
L28:
  add    $0x8,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L63:
  movslq %edx,%r15
  mov    %rdi,%rbp
  mov    %edx,%r13d
  movsbl (%rdi,%r15,1),%edi
  lea    0x1(%r13),%r14d
  call   <isalnum@plt>
  test   %eax,%eax
  je     L28
  cmp    %r14d,%r12d
  jle    L0
  lea    -0x2(%r12),%eax
  movslq %r14d,%rbx
  sub    %r13d,%eax
  lea    0x2(%r15,%rax,1),%r13
  jmp    L50
  nopw   0x0(%rax,%rax,1)
L27:
  add    $0x1,%rbx
  cmp    %r13,%rbx
  je     L0
L50:
  movsbl 0x0(%rbp,%rbx,1),%edi
  mov    %ebx,%r14d
  call   <isalnum@plt>
  test   %eax,%eax
  jne    L27
  jmp    L28
```

assistant: ```c
int parse_token_end_index(char *line_buffer, int line_len, int start_index) {
  if (start_index >= line_len) {
    return line_len;
  }
  if (!isalnum(line_buffer[start_index])) {
    return start_index + 1;
  }
  for (int i = start_index + 1; i < line_len; i++) {
    if (!isalnum(line_buffer[i])) {
      return i;
    }
  }
  return line_len;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<bitwise_and_of_range>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L24
L29:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <get_msb@plt>
  mov    %eax,-0x8(%rbp)
  mov    -0x18(%rbp),%eax
  mov    %eax,%edi
  call   <get_msb@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jne    L48
  mov    -0x8(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  sub    %eax,-0x14(%rbp)
  mov    -0x8(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  sub    %eax,-0x18(%rbp)
  mov    -0x8(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  add    %eax,-0xc(%rbp)
L24:
  cmpl   $0x0,-0x14(%rbp)
  je     L13
  cmpl   $0x0,-0x18(%rbp)
  jne    L29
  jmp    L13
L48:
  nop
L13:
  mov    -0xc(%rbp),%eax
  leave
  ret
```

assistant: ```c
int bitwise_and_of_range(int srange, int erange) {
  int s_msb = 0;
  int e_msb = 0;
  int result = 0;
  while (srange && erange) {
    s_msb = get_msb(srange);
    e_msb = get_msb(erange);
    if (s_msb == e_msb) {
      srange -= 1 << s_msb;
      erange -= 1 << s_msb;
      result += 1 << s_msb;
    } else {
      break;
    }
  }
  return result;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<bitwise_and_of_range>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  test   %edi,%edi
  je     L26
  mov    %edi,%ebp
  mov    %esi,%r12d
  test   %esi,%esi
  je     L26
  mov    $0x0,%r13d
  mov    $0x1,%r14d
L20:
  mov    %ebp,%edi
  call   <get_msb@plt>
  mov    %eax,%ebx
  mov    %r12d,%edi
  call   <get_msb@plt>
  cmp    %eax,%ebx
  jne    L17
  mov    %r14d,%eax
  mov    %ebx,%ecx
  shl    %cl,%eax
  sub    %eax,%r12d
  add    %eax,%r13d
  sub    %eax,%ebp
  je     L17
  test   %r12d,%r12d
  jne    L20
L17:
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L26:
  mov    $0x0,%r13d
  jmp    L17
```

assistant: ```c
int bitwise_and_of_range(int srange, int erange) {
  int s_msb = 0;
  int e_msb = 0;
  int result = 0;
  while (srange && erange) {
    s_msb = get_msb(srange);
    e_msb = get_msb(erange);
    if (s_msb == e_msb) {
      srange -= 1 << s_msb;
      erange -= 1 << s_msb;
      result += 1 << s_msb;
    } else {
      break;
    }
  }
  return result;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bitwise_and_of_range>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  test   %edi,%edi
  je     L50
  mov    %esi,%r14d
  test   %esi,%esi
  je     L50
  mov    %edi,%ebp
  xor    %r12d,%r12d
  mov    $0x1,%r13d
  jmp    L57
  nopl   0x0(%rax)
L64:
  mov    %r13d,%eax
  mov    %ebx,%ecx
  shl    %cl,%eax
  sub    %eax,%r14d
  add    %eax,%r12d
  sub    %eax,%ebp
  je     L32
  test   %r14d,%r14d
  je     L32
L57:
  mov    %ebp,%edi
  call   <get_msb@plt>
  mov    %r14d,%edi
  mov    %eax,%ebx
  call   <get_msb@plt>
  cmp    %eax,%ebx
  je     L64
L32:
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L50:
  xor    %r12d,%r12d
  jmp    L32
```

assistant: ```c
int bitwise_and_of_range(int srange, int erange) {
  int s_msb = 0;
  int e_msb = 0;
  int result = 0;
  while (srange && erange) {
    s_msb = get_msb(srange);
    e_msb = get_msb(erange);
    if (s_msb == e_msb) {
      srange -= 1 << s_msb;
      erange -= 1 << s_msb;
      result += 1 << s_msb;
    } else {
      break;
    }
  }
  return result;
}
```