ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码:

```asm
<transfer_VYU888_to_YUV888>:
  endbr64
  mov    (%rdi),%rax
  movzbl 0x1(%rsi),%edx
  mov    %dl,(%rax)
  mov    (%rdi),%rax
  movzbl 0x2(%rsi),%edx
  mov    %dl,0x1(%rax)
  mov    (%rdi),%rax
  movzbl (%rsi),%edx
  mov    %dl,0x2(%rax)
  addq   $0x3,(%rdi)
  ret
```

assistant: ```c
void transfer_VYU888_to_YUV888(unsigned char *(*output), unsigned char *input) {
  (*output)[0] = input[1];
  (*output)[1] = input[2];
  (*output)[2] = input[0];
  (*output) += 3;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<movzbw_1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x12345678,%eax
  mov    $0x22,%al
  movzbw %al,%ax
  mov    %eax,%edx
  mov    %edx,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int movzbw_1(void) {
  int res;
  __asm__ __volatile__("movl $0x12345678, %%eax\n\t"
                       "movb $0x22, %%al\n\t"
                       "movzbw %%al,%%ax\n\t"
                       "mov %%eax, %0"
                       : "=r"(res)
                       :
                       : "eax");
  return res;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<movzbw_1>:
  endbr64
  mov    $0x12345678,%eax
  mov    $0x22,%al
  movzbw %al,%ax
  mov    %eax,%edx
  mov    %edx,%eax
  ret
```

assistant: ```c
int movzbw_1(void) {
  int res;
  __asm__ __volatile__("movl $0x12345678, %%eax\n\t"
                       "movb $0x22, %%al\n\t"
                       "movzbw %%al,%%ax\n\t"
                       "mov %%eax, %0"
                       : "=r"(res)
                       :
                       : "eax");
  return res;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<movzbw_1>:
  endbr64
  mov    $0x12345678,%eax
  mov    $0x22,%al
  movzbw %al,%ax
  mov    %eax,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int movzbw_1(void) {
  int res;
  __asm__ __volatile__("movl $0x12345678, %%eax\n\t"
                       "movb $0x22, %%al\n\t"
                       "movzbw %%al,%%ax\n\t"
                       "mov %%eax, %0"
                       : "=r"(res)
                       :
                       : "eax");
  return res;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<movzbw_1>:
  endbr64
  mov    $0x12345678,%eax
  mov    $0x22,%al
  movzbw %al,%ax
  mov    %eax,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int movzbw_1(void) {
  int res;
  __asm__ __volatile__("movl $0x12345678, %%eax\n\t"
                       "movb $0x22, %%al\n\t"
                       "movzbw %%al,%%ax\n\t"
                       "mov %%eax, %0"
                       : "=r"(res)
                       :
                       : "eax");
  return res;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<sample>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  movsd  %xmm0,-0x38(%rbp)
  movsd  %xmm1,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movsd  -0x38(%rbp),%xmm1
  movsd  D42(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x40(%rbp),%xmm1
  movsd  D51(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  lea    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  mov    %rdx,%rdi
  movq   %rax,%xmm0
  call   <modf@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x38(%rbp)
  lea    -0x18(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  mov    %rdx,%rdi
  movq   %rax,%xmm0
  call   <modf@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x40(%rbp)
  pxor   %xmm0,%xmm0
  comisd -0x38(%rbp),%xmm0
  jbe    L29
  movsd  -0x38(%rbp),%xmm1
  movsd  D65(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
L29:
  pxor   %xmm0,%xmm0
  comisd -0x40(%rbp),%xmm0
  jbe    L17
  movsd  -0x40(%rbp),%xmm1
  movsd  D65(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
L17:
  movsd  -0x40(%rbp),%xmm0
  movsd  D10(%rip),%xmm1
  movapd %xmm0,%xmm2
  subsd  %xmm1,%xmm2
  movsd  -0x38(%rbp),%xmm0
  movsd  D10(%rip),%xmm1
  subsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  movapd %xmm2,%xmm1
  movq   %rax,%xmm0
  call   <hypot@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x20(%rbp),%rax
  movq   %rax,%xmm0
  call   <floor@plt>
  and    $0x1f,%eax
  mov    %eax,-0x28(%rbp)
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <floor@plt>
  mov    %eax,-0x24(%rbp)
  movsd  D3(%rip),%xmm0
  comisd -0x10(%rbp),%xmm0
  jbe    L6
  cmpl   $0x12,-0x28(%rbp)
  jg     L6
  mov    -0x24(%rbp),%edx
  mov    %edx,%eax
  shl    $0x3,%eax
  add    %edx,%eax
  add    %eax,%eax
  add    %eax,%edx
  mov    -0x28(%rbp),%eax
  add    %edx,%eax
  jmp    L9
L6:
  mov    $0x0,%eax
L9:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L35
  call   <__stack_chk_fail@plt>
L35:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D42
datatype: byte[8]
name: extract_symbolic_data
arguments: label: D51
datatype: byte[8]
name: extract_symbolic_data
arguments: label: D65
datatype: byte[8]
name: extract_symbolic_data
arguments: label: D10
datatype: byte[8]
name: extract_symbolic_data
arguments: label: D3
datatype: byte[8]

tool: {"D42": [0x00,0x00,0x00,0x00,0x00,0x80,0x44,0x40]}

tool: {"D51": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x40]}

tool: {"D65": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D10": [0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

tool: {"D3": [0x0a,0xd7,0xa3,0x70,0x3d,0x0a,0xd7,0x3f]}

assistant: ```c
int sample(double xx, double yy) {
  double xint, yint, d;
  int xsel, ysel;
  xx += 9 + 32;
  yy += 4;
  xx = modf(xx, &xint);
  yy = modf(yy, &yint);
  if (xx < 0)
    xx += 1;
  if (yy < 0)
    yy += 1;
  d = hypot(xx - .5, yy - .5);
  xsel = (int)floor(xint) & 31;
  ysel = (int)floor(yint);
  if (d < .36 && xsel < 19) {
    return ysel * 19 + xsel;
  } else {
    return 0;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<sample>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  addsd  D31(%rip),%xmm0
  addsd  D21(%rip),%xmm1
  movq   %xmm1,%rbx
  lea    0x8(%rsp),%rdi
  call   <modf@plt>
  movq   %xmm0,%rbp
  lea    0x10(%rsp),%rdi
  movq   %rbx,%xmm0
  call   <modf@plt>
  movapd %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  movq   %rbp,%xmm3
  comisd %xmm3,%xmm0
  ja     L38
L56:
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  ja     L48
L35:
  movsd  D54(%rip),%xmm2
  movq   %rbp,%xmm0
  subsd  %xmm2,%xmm0
  subsd  %xmm2,%xmm1
  call   <hypot@plt>
  movq   %xmm0,%rbp
  movsd  0x8(%rsp),%xmm0
  call   <floor@plt>
  mov    %eax,%ebx
  and    $0x1f,%ebx
  movsd  0x10(%rsp),%xmm0
  call   <floor@plt>
  cmp    $0x12,%ebx
  jg     L27
  movsd  D38(%rip),%xmm0
  movq   %rbp,%xmm4
  comisd %xmm4,%xmm0
  ja     L10
L27:
  mov    $0x0,%eax
L29:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L68
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  ret
L38:
  addsd  D42(%rip),%xmm3
  movq   %xmm3,%rbp
  jmp    L56
L48:
  addsd  D42(%rip),%xmm1
  jmp    L35
L10:
  lea    (%rax,%rax,8),%edx
  lea    (%rax,%rdx,2),%eax
  add    %ebx,%eax
  jmp    L29
L68:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D31
type: byte[8]
name: retrieve_data
arguments: tag: D21
type: byte[8]
name: retrieve_data
arguments: tag: D54
type: byte[8]
name: retrieve_data
arguments: tag: D38
type: byte[8]
name: retrieve_data
arguments: tag: D42
type: byte[8]

tool: {"D31": [0x00,0x00,0x00,0x00,0x00,0x80,0x44,0x40]}

tool: {"D21": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x40]}

tool: {"D54": [0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

tool: {"D38": [0x0a,0xd7,0xa3,0x70,0x3d,0x0a,0xd7,0x3f]}

tool: {"D42": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

assistant: ```c
int sample(double xx, double yy) {
  double xint, yint, d;
  int xsel, ysel;
  xx += 9 + 32;
  yy += 4;
  xx = modf(xx, &xint);
  yy = modf(yy, &yint);
  if (xx < 0)
    xx += 1;
  if (yy < 0)
    yy += 1;
  d = hypot(xx - .5, yy - .5);
  xsel = (int)floor(xint) & 31;
  ysel = (int)floor(yint);
  if (d < .36 && xsel < 19) {
    return ysel * 19 + xsel;
  } else {
    return 0;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<sample>:
  endbr64
  push   %rbx
  sub    $0x30,%rsp
  addsd  D56(%rip),%xmm1
  addsd  D49(%rip),%xmm0
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0x18(%rsp),%rdi
  movsd  %xmm1,0x8(%rsp)
  call   <modf@plt>
  movsd  0x8(%rsp),%xmm1
  lea    0x20(%rsp),%rdi
  movsd  %xmm0,(%rsp)
  movapd %xmm1,%xmm0
  call   <modf@plt>
  movsd  (%rsp),%xmm2
  movapd %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm2,%xmm0
  jbe    L14
  addsd  D35(%rip),%xmm2
L14:
  comisd %xmm1,%xmm0
  jbe    L51
  addsd  D35(%rip),%xmm1
L51:
  movsd  D27(%rip),%xmm0
  subsd  %xmm0,%xmm2
  subsd  %xmm0,%xmm1
  movapd %xmm2,%xmm0
  call   <hypot@plt>
  movsd  %xmm0,(%rsp)
  movsd  0x18(%rsp),%xmm0
  call   <floor@plt>
  movsd  0x20(%rsp),%xmm0
  mov    %eax,%ebx
  and    $0x1f,%ebx
  call   <floor@plt>
  cmp    $0x12,%ebx
  jg     L27
  movsd  D23(%rip),%xmm0
  comisd (%rsp),%xmm0
  ja     L5
L27:
  xor    %eax,%eax
L32:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L59
  add    $0x30,%rsp
  pop    %rbx
  ret
L5:
  lea    (%rax,%rax,8),%edx
  lea    (%rax,%rdx,2),%eax
  add    %ebx,%eax
  jmp    L32
L59:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D56
type_infered: byte[8]
name: retrieve_data
arguments: label: D49
type_infered: byte[8]
name: retrieve_data
arguments: label: D35
type_infered: byte[8]
name: retrieve_data
arguments: label: D27
type_infered: byte[8]
name: retrieve_data
arguments: label: D23
type_infered: byte[8]

tool: {"D56": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x40]}

tool: {"D49": [0x00,0x00,0x00,0x00,0x00,0x80,0x44,0x40]}

tool: {"D35": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D27": [0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

tool: {"D23": [0x0a,0xd7,0xa3,0x70,0x3d,0x0a,0xd7,0x3f]}

assistant: ```c
int sample(double xx, double yy) {
  double xint, yint, d;
  int xsel, ysel;
  xx += 9 + 32;
  yy += 4;
  xx = modf(xx, &xint);
  yy = modf(yy, &yint);
  if (xx < 0)
    xx += 1;
  if (yy < 0)
    yy += 1;
  d = hypot(xx - .5, yy - .5);
  xsel = (int)floor(xint) & 31;
  ysel = (int)floor(yint);
  if (d < .36 && xsel < 19) {
    return ysel * 19 + xsel;
  } else {
    return 0;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<sample>:
  endbr64
  push   %rbx
  sub    $0x30,%rsp
  addsd  D36(%rip),%xmm1
  addsd  D56(%rip),%xmm0
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0x18(%rsp),%rdi
  movsd  %xmm1,0x8(%rsp)
  call   <modf@plt>
  movsd  0x8(%rsp),%xmm1
  lea    0x20(%rsp),%rdi
  movsd  %xmm0,(%rsp)
  movapd %xmm1,%xmm0
  call   <modf@plt>
  movsd  (%rsp),%xmm2
  movapd %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm2,%xmm0
  jbe    L1
  addsd  D33(%rip),%xmm2
L1:
  comisd %xmm1,%xmm0
  jbe    L35
  addsd  D33(%rip),%xmm1
L35:
  movsd  D50(%rip),%xmm0
  subsd  %xmm0,%xmm2
  subsd  %xmm0,%xmm1
  movapd %xmm2,%xmm0
  call   <hypot@plt>
  movsd  %xmm0,(%rsp)
  movsd  0x18(%rsp),%xmm0
  call   <floor@plt>
  movsd  0x20(%rsp),%xmm0
  mov    %eax,%ebx
  and    $0x1f,%ebx
  call   <floor@plt>
  cmp    $0x12,%ebx
  jg     L30
  movsd  D14(%rip),%xmm0
  comisd (%rsp),%xmm0
  ja     L57
L30:
  xor    %eax,%eax
L59:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L56
  add    $0x30,%rsp
  pop    %rbx
  ret
L57:
  lea    (%rax,%rax,8),%edx
  lea    (%rax,%rdx,2),%eax
  add    %ebx,%eax
  jmp    L59
L56:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D36
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D56
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D33
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D50
type_guessed: byte[8]
name: unpack_data
arguments: data_label: D14
type_guessed: byte[8]

tool: {"D36": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x40]}

tool: {"D56": [0x00,0x00,0x00,0x00,0x00,0x80,0x44,0x40]}

tool: {"D33": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D50": [0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

tool: {"D14": [0x0a,0xd7,0xa3,0x70,0x3d,0x0a,0xd7,0x3f]}

assistant: ```c
int sample(double xx, double yy) {
  double xint, yint, d;
  int xsel, ysel;
  xx += 9 + 32;
  yy += 4;
  xx = modf(xx, &xint);
  yy = modf(yy, &yint);
  if (xx < 0)
    xx += 1;
  if (yy < 0)
    yy += 1;
  d = hypot(xx - .5, yy - .5);
  xsel = (int)floor(xint) & 31;
  ysel = (int)floor(yint);
  if (d < .36 && xsel < 19) {
    return ysel * 19 + xsel;
  } else {
    return 0;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <test_basics@plt>
  mov    $0x0,%eax
  call   <test_ecb@plt>
  mov    $0x0,%eax
  call   <test_cbc@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main() {
  test_basics();
  test_ecb();
  test_cbc();
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <test_basics@plt>
  mov    $0x0,%eax
  call   <test_ecb@plt>
  mov    $0x0,%eax
  call   <test_cbc@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test_basics();
  test_ecb();
  test_cbc();
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test_basics@plt>
  xor    %eax,%eax
  call   <test_ecb@plt>
  xor    %eax,%eax
  call   <test_cbc@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test_basics();
  test_ecb();
  test_cbc();
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test_basics@plt>
  xor    %eax,%eax
  call   <test_ecb@plt>
  xor    %eax,%eax
  call   <test_cbc@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test_basics();
  test_ecb();
  test_cbc();
  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
<dfs>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x2c(%rbp)
  mov    %r8,-0x38(%rbp)
  mov    %r9d,-0x30(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L3
  mov    $0x1,%eax
  jmp    L12
L3:
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L79
  mov    $0x0,%eax
  jmp    L12
L79:
  movl   $0x0,-0x8(%rbp)
  jmp    L19
L24:
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L64
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x30(%rbp),%eax
  lea    (%rdx,%rax,1),%r8d
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rdi
  mov    -0x38(%rbp),%rsi
  mov    -0x2c(%rbp),%ecx
  mov    -0x28(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %r8d,%r9d
  mov    %rsi,%r8
  mov    %rax,%rsi
  call   <dfs>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L64
  mov    $0x1,%eax
  jmp    L12
L64:
  addl   $0x1,-0x8(%rbp)
L19:
  mov    -0x8(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L24
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
L12:
  leave
  ret
```

assistant: ```c
int dfs(char *s, char **words, int *lens, int size, bool *ends, int index) {
  int i, j;
  if (*s == '\0') {
    return true;
  } else if (!ends[index]) {
    return false;
  } else {
    for (i = 0; i < size; i++) {
      ends[index] = false;
      if (!strncmp(s, words[i], lens[i])) {
        bool ok = dfs(s + lens[i], words, lens, size, ends, index + lens[i]);
        if (ok) {
          return true;
        }
      }
    }
    return ends[index];
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<dfs>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %ecx,0x8(%rsp)
  mov    %r8,(%rsp)
  mov    %r9d,0xc(%rsp)
  mov    $0x1,%eax
  cmpb   $0x0,(%rdi)
  je     L34
  mov    %rdi,%rbp
  mov    %rsi,%r13
  mov    %rdx,%r12
  movslq %r9d,%rax
  lea    (%r8,%rax,4),%r14
  mov    (%r14),%eax
  test   %eax,%eax
  je     L34
  test   %ecx,%ecx
  jle    L60
  mov    %ecx,%r15d
  mov    $0x0,%ebx
  jmp    L16
L78:
  add    $0x1,%rbx
  cmp    %r15,%rbx
  je     L60
L16:
  movl   $0x0,(%r14)
  mov    (%r12,%rbx,4),%edx
  mov    0x0(%r13,%rbx,8),%rsi
  mov    %rbp,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L78
  mov    (%r12,%rbx,4),%eax
  movslq %eax,%rdi
  add    %rbp,%rdi
  mov    0xc(%rsp),%ecx
  lea    (%rax,%rcx,1),%r9d
  mov    (%rsp),%r8
  mov    0x8(%rsp),%ecx
  mov    %r12,%rdx
  mov    %r13,%rsi
  call   <dfs>
  test   %eax,%eax
  je     L78
  mov    $0x1,%eax
  jmp    L34
L60:
  mov    (%r14),%eax
L34:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int dfs(char *s, char **words, int *lens, int size, bool *ends, int index) {
  int i, j;
  if (*s == '\0') {
    return true;
  } else if (!ends[index]) {
    return false;
  } else {
    for (i = 0; i < size; i++) {
      ends[index] = false;
      if (!strncmp(s, words[i], lens[i])) {
        bool ok = dfs(s + lens[i], words, lens, size, ends, index + lens[i]);
        if (ok) {
          return true;
        }
      }
    }
    return ends[index];
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<dfs>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  cmpb   $0x0,(%rdi)
  mov    %r8,0x10(%rsp)
  mov    %r9d,0x1c(%rsp)
  je     L38
  movslq 0x1c(%rsp),%rax
  mov    %ecx,%r12d
  mov    0x10(%rsp),%rcx
  lea    (%rcx,%rax,4),%r14
  mov    (%r14),%eax
  test   %eax,%eax
  je     L27
  test   %r12d,%r12d
  jle    L27
  movslq %r12d,%rax
  mov    %rdi,%rbp
  mov    %rsi,%r15
  mov    %rdx,%r13
  mov    %rax,0x8(%rsp)
  xor    %ebx,%ebx
  jmp    L65
  nopw   0x0(%rax,%rax,1)
L32:
  add    $0x1,%rbx
  cmp    %rbx,0x8(%rsp)
  je     L59
L65:
  movl   $0x0,(%r14)
  mov    (%r15,%rbx,8),%rsi
  mov    %rbp,%rdi
  mov    0x0(%r13,%rbx,4),%edx
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L32
  movslq 0x0(%r13,%rbx,4),%rdi
  mov    0x1c(%rsp),%ecx
  mov    %r13,%rdx
  mov    %r15,%rsi
  mov    0x10(%rsp),%r8
  mov    %rdi,%rax
  add    %rbp,%rdi
  lea    (%rax,%rcx,1),%r9d
  mov    %r12d,%ecx
  call   <dfs>
  test   %eax,%eax
  je     L32
L38:
  mov    $0x1,%eax
L27:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L59:
  mov    (%r14),%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int dfs(char *s, char **words, int *lens, int size, bool *ends, int index) {
  int i, j;
  if (*s == '\0') {
    return true;
  } else if (!ends[index]) {
    return false;
  } else {
    for (i = 0; i < size; i++) {
      ends[index] = false;
      if (!strncmp(s, words[i], lens[i])) {
        bool ok = dfs(s + lens[i], words, lens, size, ends, index + lens[i]);
        if (ok) {
          return true;
        }
      }
    }
    return ends[index];
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<dfs>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  cmpb   $0x0,(%rdi)
  mov    %r8,0x10(%rsp)
  mov    %r9d,0x1c(%rsp)
  je     L30
  movslq 0x1c(%rsp),%rax
  mov    %ecx,%r12d
  lea    (%r8,%rax,4),%r14
  mov    (%r14),%eax
  test   %eax,%eax
  je     L45
  test   %r12d,%r12d
  jle    L45
  movslq %r12d,%rax
  mov    %rdi,%rbp
  mov    %rsi,%r15
  mov    %rdx,%r13
  mov    %rax,0x8(%rsp)
  xor    %ebx,%ebx
  jmp    L67
  nopw   0x0(%rax,%rax,1)
L27:
  add    $0x1,%rbx
  cmp    %rbx,0x8(%rsp)
  je     L69
L67:
  movl   $0x0,(%r14)
  mov    (%r15,%rbx,8),%rsi
  mov    %rbp,%rdi
  mov    0x0(%r13,%rbx,4),%edx
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L27
  movslq 0x0(%r13,%rbx,4),%rdi
  mov    0x1c(%rsp),%ecx
  mov    %r13,%rdx
  mov    %r15,%rsi
  mov    0x10(%rsp),%r8
  mov    %rdi,%rax
  add    %rbp,%rdi
  lea    (%rax,%rcx,1),%r9d
  mov    %r12d,%ecx
  call   <dfs>
  test   %eax,%eax
  je     L27
L30:
  mov    $0x1,%eax
L45:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L69:
  mov    (%r14),%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int dfs(char *s, char **words, int *lens, int size, bool *ends, int index) {
  int i, j;
  if (*s == '\0') {
    return true;
  } else if (!ends[index]) {
    return false;
  } else {
    for (i = 0; i < size; i++) {
      ends[index] = false;
      if (!strncmp(s, words[i], lens[i])) {
        bool ok = dfs(s + lens[i], words, lens, size, ends, index + lens[i]);
        if (ok) {
          return true;
        }
      }
    }
    return ends[index];
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<str_get_token>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,%eax
  mov    %rcx,-0x38(%rbp)
  mov    %r8d,-0x3c(%rbp)
  mov    %al,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movsbl -0x30(%rbp),%edx
  lea    -0x14(%rbp),%rcx
  mov    -0x2c(%rbp),%esi
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <str_get_token_info@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x3c(%rbp),%edx
  mov    -0x14(%rbp),%eax
  cmp    %eax,%edx
  jae    L34
  mov    -0x3c(%rbp),%eax
  mov    %eax,-0x14(%rbp)
L34:
  cmpq   $0x0,-0x10(%rbp)
  je     L3
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x14(%rbp),%eax
  mov    %eax,%edx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x38(%rbp),%rax
  jmp    L24
L3:
  mov    -0x38(%rbp),%rax
  movb   $0x0,(%rax)
  mov    $0x0,%eax
L24:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
char *str_get_token(char *src, unsigned int token_no, char token_separator, char *buf, int buf_size) {
  int unsigned token_len;
  char *token = str_get_token_info(src, token_no, token_separator, &token_len);
  if (buf_size < token_len)
    token_len = buf_size;
  if (token) {
    strncpy(buf, token, token_len);
    buf[token_len] = 0;
    return buf;
  } else {
    buf[0] = 0;
    return NULL;
  }
}
```