ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<memrchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  je     L42
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
L104:
  subq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jb     L96
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0x1c(%rbp)
  je     L96
  subq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jb     L96
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0x1c(%rbp)
  je     L96
  subq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jb     L96
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0x1c(%rbp)
  je     L96
  subq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jb     L96
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0x1c(%rbp)
  je     L96
  jmp    L104
L96:
  mov    -0x10(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jb     L42
  mov    -0x10(%rbp),%rax
  jmp    L82
L42:
  mov    $0x0,%eax
L82:
  pop    %rbp
  ret
```

assistant: ```c
void *memrchr(const void *s, int c, size_t n) {
  if (n > 0) {
    const char *p = (const char *)s;
    const char *q = p + n;
    while (1) {
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
    }
    if (q >= p)
      return (void *)q;
  }
  return NULL;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<memrchr>:
  endbr64
  mov    %rdi,%rax
  mov    $0x0,%r9d
  test   %rdx,%rdx
  je     L75
  add    %rdi,%rdx
  lea    -0x1(%rdx),%rcx
  lea    -0x3(%rdx),%r8
  lea    -0x2(%rdx),%rdi
L129:
  mov    %rcx,%r9
  cmp    %rcx,%rax
  ja     L90
  movsbl -0x1(%rdx),%r10d
  cmp    %esi,%r10d
  je     L75
  mov    %rdi,%r9
  cmp    %rdi,%rax
  ja     L109
  movsbl -0x2(%rdx),%r10d
  cmp    %esi,%r10d
  je     L75
  mov    %r8,%r9
  cmp    %r8,%rax
  ja     L98
  movsbl -0x3(%rdx),%r10d
  cmp    %esi,%r10d
  je     L75
  sub    $0x4,%rdx
  cmp    %rdx,%rax
  ja     L29
  sub    $0x4,%rcx
  sub    $0x4,%r8
  sub    $0x4,%rdi
  movsbl (%rdx),%r9d
  cmp    %esi,%r9d
  jne    L129
  mov    %rdx,%r9
  jmp    L75
L90:
  mov    $0x0,%r9d
L75:
  mov    %r9,%rax
  ret
L109:
  mov    $0x0,%r9d
  jmp    L75
L98:
  mov    $0x0,%r9d
  jmp    L75
L29:
  mov    $0x0,%r9d
  jmp    L75
```

assistant: ```c
void *memrchr(const void *s, int c, size_t n) {
  if (n > 0) {
    const char *p = (const char *)s;
    const char *q = p + n;
    while (1) {
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
    }
    if (q >= p)
      return (void *)q;
  }
  return NULL;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<memrchr>:
  endbr64
  mov    %rdi,%rcx
  xor    %eax,%eax
  test   %rdx,%rdx
  je     L83
  add    %rdi,%rdx
  lea    -0x1(%rdx),%rdi
  lea    -0x3(%rdx),%r10
  lea    -0x2(%rdx),%r8
  jmp    L64
  nop
L95:
  movsbl -0x1(%rdx),%r9d
  cmp    %esi,%r9d
  je     L83
  mov    %r8,%rax
  cmp    %r8,%rcx
  ja     L72
  movsbl -0x2(%rdx),%r9d
  cmp    %esi,%r9d
  je     L83
  mov    %r10,%rax
  cmp    %r10,%rcx
  ja     L72
  movsbl -0x3(%rdx),%r9d
  cmp    %esi,%r9d
  je     L83
  sub    $0x4,%rdx
  cmp    %rdx,%rcx
  ja     L72
  movsbl (%rdx),%eax
  sub    $0x4,%rdi
  lea    -0x4(%r10),%r10
  sub    $0x4,%r8
  cmp    %esi,%eax
  je     L2
L64:
  mov    %rdi,%rax
  cmp    %rdi,%rcx
  jbe    L95
L72:
  xor    %eax,%eax
  ret
  nopl   (%rax)
L2:
  mov    %rdx,%rax
L83:
  ret
```

assistant: ```c
void *memrchr(const void *s, int c, size_t n) {
  if (n > 0) {
    const char *p = (const char *)s;
    const char *q = p + n;
    while (1) {
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
    }
    if (q >= p)
      return (void *)q;
  }
  return NULL;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<memrchr>:
  endbr64
  mov    %rdi,%rcx
  xor    %eax,%eax
  test   %rdx,%rdx
  je     L89
  add    %rdi,%rdx
  lea    -0x1(%rdx),%rdi
  lea    -0x3(%rdx),%r10
  lea    -0x2(%rdx),%r8
  jmp    L31
  nop
L65:
  movsbl -0x1(%rdx),%r9d
  cmp    %esi,%r9d
  je     L89
  mov    %r8,%rax
  cmp    %r8,%rcx
  ja     L85
  movsbl -0x2(%rdx),%r9d
  cmp    %esi,%r9d
  je     L89
  mov    %r10,%rax
  cmp    %r10,%rcx
  ja     L85
  movsbl -0x3(%rdx),%r9d
  cmp    %esi,%r9d
  je     L89
  sub    $0x4,%rdx
  cmp    %rdx,%rcx
  ja     L85
  movsbl (%rdx),%eax
  sub    $0x4,%rdi
  lea    -0x4(%r10),%r10
  sub    $0x4,%r8
  cmp    %esi,%eax
  je     L15
L31:
  mov    %rdi,%rax
  cmp    %rdi,%rcx
  jbe    L65
L85:
  xor    %eax,%eax
  ret
  nopl   (%rax)
L15:
  mov    %rdx,%rax
L89:
  ret
```

assistant: ```c
void *memrchr(const void *s, int c, size_t n) {
  if (n > 0) {
    const char *p = (const char *)s;
    const char *q = p + n;
    while (1) {
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
      q--;
      if (q < p || q[0] == c)
        break;
    }
    if (q >= p)
      return (void *)q;
  }
  return NULL;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<Util_allocOrDie>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L1
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <Util_outOfMemory@plt>
  mov    $0x0,%eax
  call   <abort@plt>
  mov    $0x0,%eax
  jmp    L12
L1:
  mov    -0x8(%rbp),%rax
L12:
  leave
  ret
```

assistant: ```c
void *Util_allocOrDie(size_t size, const char *message) {
  void *res = malloc(size);
  if (res == NULL) {
    Util_outOfMemory(message);
    abort();
    return NULL;
  }
  return res;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<Util_allocOrDie>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%rbp
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L3
L16:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L3:
  mov    %rbp,%rdi
  call   <Util_outOfMemory@plt>
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L16
```

assistant: ```c
void *Util_allocOrDie(size_t size, const char *message) {
  void *res = malloc(size);
  if (res == NULL) {
    Util_outOfMemory(message);
    abort();
    return NULL;
  }
  return res;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<Util_allocOrDie>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L13
L17:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
L13:
  mov    %rbp,%rdi
  call   <Util_outOfMemory@plt>
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L17
```

assistant: ```c
void *Util_allocOrDie(size_t size, const char *message) {
  void *res = malloc(size);
  if (res == NULL) {
    Util_outOfMemory(message);
    abort();
    return NULL;
  }
  return res;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<Util_allocOrDie>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L6
L17:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
L6:
  mov    %rbp,%rdi
  call   <Util_outOfMemory@plt>
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L17
```

assistant: ```c
void *Util_allocOrDie(size_t size, const char *message) {
  void *res = malloc(size);
  if (res == NULL) {
    Util_outOfMemory(message);
    abort();
    return NULL;
  }
  return res;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x0,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <pow2test@plt>
  test   %rax,%rax
  je     L1
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L8
L1:
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L8:
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D8
datatype: string
name: retrieve_data
arguments: data_tag: D15
datatype: string

tool: D8: Hell yes!


tool: D15: Hell no!


assistant: ```c
int main() {
  int x = 0;
  if (pow2test(x)) {
    printf("Hell yes!\n");
  } else {
    printf("Hell no!\n");
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%edi
  call   <pow2test@plt>
  test   %rax,%rax
  je     L7
  lea    D6(%rip),%rdi
  call   <printf@plt>
L6:
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
L7:
  lea    D17(%rip),%rdi
  call   <printf@plt>
  jmp    L6
```

tool_calls: name: unpack_data
arguments: data_label: D6
data_type: string
name: unpack_data
arguments: data_label: D17
data_type: string

tool: D6: Hell yes!


tool: D17: Hell no!


assistant: ```c
int main() {
  int x = 0;
  if (pow2test(x)) {
    printf("Hell yes!\n");
  } else {
    printf("Hell no!\n");
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %edi,%edi
  call   <pow2test@plt>
  test   %rax,%rax
  je     L0
  lea    D12(%rip),%rdi
  call   <printf@plt>
L7:
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
L0:
  lea    D9(%rip),%rdi
  call   <printf@plt>
  jmp    L7
```

tool_calls: name: read_data
arguments: tag: D12
data_type: string
name: read_data
arguments: tag: D9
data_type: string

tool: D12: Hell yes!


tool: D9: Hell no!


assistant: ```c
int main() {
  int x = 0;
  if (pow2test(x)) {
    printf("Hell yes!\n");
  } else {
    printf("Hell no!\n");
  }
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %edi,%edi
  call   <pow2test@plt>
  test   %rax,%rax
  je     L2
  lea    D7(%rip),%rdi
  call   <printf@plt>
L5:
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
L2:
  lea    D4(%rip),%rdi
  call   <printf@plt>
  jmp    L5
```

tool_calls: name: read_data
arguments: label: D7
data_type: string
name: read_data
arguments: label: D4
data_type: string

tool: D7: Hell yes!


tool: D4: Hell no!


assistant: ```c
int main() {
  int x = 0;
  if (pow2test(x)) {
    printf("Hell yes!\n");
  } else {
    printf("Hell no!\n");
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<iau2000a_nutation_matrix>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x50,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <iau2000a_mean_obliquity@plt>
  movq   %xmm0,%rbp
  lea    0x10(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  mov    %r12,%rdi
  call   <iau2000a_nutation@plt>
  lea    0x18(%rsp),%rsi
  lea    0x30(%rsp),%rdi
  movq   %rbp,%xmm0
  call   <sincos@plt>
  lea    0x20(%rsp),%rsi
  lea    0x38(%rsp),%rdi
  movsd  0x8(%rsp),%xmm0
  call   <sincos@plt>
  movsd  0x38(%rsp),%xmm0
  xorpd  D9(%rip),%xmm0
  movsd  %xmm0,0x38(%rsp)
  lea    0x28(%rsp),%rsi
  lea    0x40(%rsp),%rdi
  movq   %rbp,%xmm0
  addsd  0x10(%rsp),%xmm0
  call   <sincos@plt>
  movsd  0x40(%rsp),%xmm1
  xorpd  D9(%rip),%xmm1
  movsd  0x20(%rsp),%xmm6
  movsd  %xmm6,(%rbx)
  movsd  0x38(%rsp),%xmm3
  movsd  0x18(%rsp),%xmm0
  movapd %xmm3,%xmm2
  mulsd  %xmm0,%xmm2
  movsd  %xmm2,0x8(%rbx)
  movsd  0x30(%rsp),%xmm2
  movapd %xmm3,%xmm4
  mulsd  %xmm2,%xmm4
  movsd  %xmm4,0x10(%rbx)
  movsd  0x28(%rsp),%xmm5
  movapd %xmm3,%xmm4
  mulsd  %xmm5,%xmm4
  xorpd  D9(%rip),%xmm4
  movsd  %xmm4,0x18(%rbx)
  movapd %xmm6,%xmm4
  mulsd  %xmm5,%xmm4
  movapd %xmm0,%xmm7
  mulsd  %xmm4,%xmm7
  movapd %xmm1,%xmm8
  mulsd  %xmm2,%xmm8
  subsd  %xmm8,%xmm7
  movsd  %xmm7,0x20(%rbx)
  mulsd  %xmm2,%xmm4
  movapd %xmm1,%xmm7
  mulsd  %xmm0,%xmm7
  addsd  %xmm7,%xmm4
  movsd  %xmm4,0x28(%rbx)
  mulsd  %xmm1,%xmm3
  movsd  %xmm3,0x30(%rbx)
  mulsd  %xmm6,%xmm1
  movapd %xmm0,%xmm3
  mulsd  %xmm1,%xmm3
  xorpd  D9(%rip),%xmm3
  movapd %xmm2,%xmm4
  mulsd  %xmm5,%xmm4
  subsd  %xmm4,%xmm3
  movsd  %xmm3,0x38(%rbx)
  mulsd  %xmm5,%xmm0
  mulsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,0x40(%rbx)
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D9
data_type: byte[16]

tool: {"D9": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

assistant: ```c
void iau2000a_nutation_matrix(struct julian_date *tdb, double nut_matrix[3][3]) {
  double epsilon, d_psi, d_epsilon, c1, c2, c3, s1, s2, s3;
  epsilon = iau2000a_mean_obliquity(tdb);
  iau2000a_nutation(tdb, &d_psi, &d_epsilon);
  sincos(epsilon, &s1, &c1);
  sincos(d_psi, &s2, &c2);
  s2 *= -1.0;
  sincos(epsilon + d_epsilon, &s3, &c3);
  s3 *= -1.0;
  nut_matrix[0][0] = (c2);
  nut_matrix[0][1] = (s2 * c1);
  nut_matrix[0][2] = (s2 * s1);
  nut_matrix[1][0] = -(s2 * c3);
  nut_matrix[1][1] = (c3 * c2 * c1) - (s1 * s3);
  nut_matrix[1][2] = (c3 * c2 * s1) + (c1 * s3);
  nut_matrix[2][0] = (s2 * s3);
  nut_matrix[2][1] = -(s3 * c2 * c1) - (s1 * c3);
  nut_matrix[2][2] = -(s3 * c2 * s1) + (c3 * c1);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<iau2000a_nutation_matrix>:
  endbr64
  push   %r14
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <iau2000a_mean_obliquity@plt>
  lea    0x10(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  mov    %rbp,%rdi
  movq   %xmm0,%r14
  call   <iau2000a_nutation@plt>
  lea    0x18(%rsp),%rsi
  lea    0x30(%rsp),%rdi
  movq   %r14,%xmm0
  call   <sincos@plt>
  movsd  0x8(%rsp),%xmm0
  lea    0x20(%rsp),%rsi
  lea    0x38(%rsp),%rdi
  call   <sincos@plt>
  movsd  0x38(%rsp),%xmm0
  lea    0x28(%rsp),%rsi
  movq   D4(%rip),%xmm6
  lea    0x40(%rsp),%rdi
  xorpd  %xmm6,%xmm0
  movsd  %xmm0,0x38(%rsp)
  movq   %r14,%xmm0
  addsd  0x10(%rsp),%xmm0
  call   <sincos@plt>
  movsd  0x38(%rsp),%xmm3
  movsd  0x18(%rsp),%xmm0
  movsd  0x28(%rsp),%xmm5
  movq   D4(%rip),%xmm6
  movapd %xmm3,%xmm2
  movapd %xmm3,%xmm4
  movapd %xmm0,%xmm8
  movsd  0x20(%rsp),%xmm7
  mulsd  %xmm0,%xmm2
  movsd  0x40(%rsp),%xmm1
  movsd  %xmm7,(%rbx)
  xorpd  %xmm6,%xmm1
  movapd %xmm1,%xmm9
  movsd  %xmm2,0x8(%rbx)
  movsd  0x30(%rsp),%xmm2
  mulsd  %xmm2,%xmm4
  mulsd  %xmm2,%xmm9
  movsd  %xmm4,0x10(%rbx)
  movapd %xmm3,%xmm4
  mulsd  %xmm5,%xmm4
  mulsd  %xmm1,%xmm3
  xorpd  %xmm6,%xmm4
  movsd  %xmm4,0x18(%rbx)
  movapd %xmm7,%xmm4
  mulsd  %xmm5,%xmm4
  movsd  %xmm3,0x30(%rbx)
  movapd %xmm0,%xmm3
  mulsd  %xmm4,%xmm8
  mulsd  %xmm2,%xmm4
  subsd  %xmm9,%xmm8
  movsd  %xmm8,0x20(%rbx)
  movapd %xmm1,%xmm8
  mulsd  %xmm0,%xmm8
  mulsd  %xmm7,%xmm1
  mulsd  %xmm5,%xmm0
  addsd  %xmm8,%xmm4
  mulsd  %xmm1,%xmm3
  mulsd  %xmm2,%xmm1
  movsd  %xmm4,0x28(%rbx)
  movapd %xmm2,%xmm4
  mulsd  %xmm5,%xmm4
  xorpd  %xmm6,%xmm3
  subsd  %xmm1,%xmm0
  subsd  %xmm4,%xmm3
  movsd  %xmm0,0x40(%rbx)
  movsd  %xmm3,0x38(%rbx)
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r14
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D4
data_type: byte[8]

tool: {"D4": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

assistant: ```c
void iau2000a_nutation_matrix(struct julian_date *tdb, double nut_matrix[3][3]) {
  double epsilon, d_psi, d_epsilon, c1, c2, c3, s1, s2, s3;
  epsilon = iau2000a_mean_obliquity(tdb);
  iau2000a_nutation(tdb, &d_psi, &d_epsilon);
  sincos(epsilon, &s1, &c1);
  sincos(d_psi, &s2, &c2);
  s2 *= -1.0;
  sincos(epsilon + d_epsilon, &s3, &c3);
  s3 *= -1.0;
  nut_matrix[0][0] = (c2);
  nut_matrix[0][1] = (s2 * c1);
  nut_matrix[0][2] = (s2 * s1);
  nut_matrix[1][0] = -(s2 * c3);
  nut_matrix[1][1] = (c3 * c2 * c1) - (s1 * s3);
  nut_matrix[1][2] = (c3 * c2 * s1) + (c1 * s3);
  nut_matrix[2][0] = (s2 * s3);
  nut_matrix[2][1] = -(s3 * c2 * c1) - (s1 * c3);
  nut_matrix[2][2] = -(s3 * c2 * s1) + (c3 * c1);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<iau2000a_nutation_matrix>:
  endbr64
  push   %r14
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <iau2000a_mean_obliquity@plt>
  lea    0x10(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  mov    %rbp,%rdi
  movq   %xmm0,%r14
  call   <iau2000a_nutation@plt>
  lea    0x18(%rsp),%rsi
  lea    0x30(%rsp),%rdi
  movq   %r14,%xmm0
  call   <sincos@plt>
  movsd  0x8(%rsp),%xmm0
  lea    0x20(%rsp),%rsi
  lea    0x38(%rsp),%rdi
  call   <sincos@plt>
  movsd  0x38(%rsp),%xmm0
  lea    0x28(%rsp),%rsi
  movq   D0(%rip),%xmm7
  lea    0x40(%rsp),%rdi
  xorpd  %xmm7,%xmm0
  movsd  %xmm0,0x38(%rsp)
  movq   %r14,%xmm0
  addsd  0x10(%rsp),%xmm0
  call   <sincos@plt>
  movsd  0x38(%rsp),%xmm8
  movsd  0x18(%rsp),%xmm2
  movq   D0(%rip),%xmm7
  movsd  0x40(%rsp),%xmm0
  movapd %xmm8,%xmm9
  movsd  0x20(%rsp),%xmm4
  movsd  0x28(%rsp),%xmm6
  mulsd  %xmm2,%xmm9
  xorpd  %xmm7,%xmm0
  movsd  0x30(%rsp),%xmm3
  movapd %xmm0,%xmm5
  movapd %xmm4,%xmm1
  mulsd  %xmm4,%xmm5
  mulsd  %xmm6,%xmm1
  unpcklpd %xmm9,%xmm4
  movapd %xmm8,%xmm9
  mulsd  %xmm6,%xmm9
  movups %xmm4,(%rbx)
  movapd %xmm8,%xmm4
  mulsd  %xmm3,%xmm4
  xorpd  %xmm7,%xmm9
  unpcklpd %xmm9,%xmm4
  movapd %xmm0,%xmm9
  movups %xmm4,0x10(%rbx)
  mulsd  %xmm3,%xmm9
  movapd %xmm2,%xmm4
  mulsd  %xmm1,%xmm4
  mulsd  %xmm3,%xmm1
  subsd  %xmm9,%xmm4
  movapd %xmm0,%xmm9
  mulsd  %xmm2,%xmm9
  addsd  %xmm9,%xmm1
  unpcklpd %xmm1,%xmm4
  movapd %xmm0,%xmm1
  movapd %xmm2,%xmm0
  mulsd  %xmm5,%xmm0
  movups %xmm4,0x20(%rbx)
  movapd %xmm3,%xmm4
  mulsd  %xmm6,%xmm4
  mulsd  %xmm8,%xmm1
  mulsd  %xmm6,%xmm2
  mulsd  %xmm5,%xmm3
  xorpd  %xmm7,%xmm0
  subsd  %xmm4,%xmm0
  unpcklpd %xmm0,%xmm1
  movapd %xmm2,%xmm0
  subsd  %xmm3,%xmm0
  movups %xmm1,0x30(%rbx)
  movsd  %xmm0,0x40(%rbx)
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r14
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D0
data_type: byte[8]

tool: {"D0": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

assistant: ```c
void iau2000a_nutation_matrix(struct julian_date *tdb, double nut_matrix[3][3]) {
  double epsilon, d_psi, d_epsilon, c1, c2, c3, s1, s2, s3;
  epsilon = iau2000a_mean_obliquity(tdb);
  iau2000a_nutation(tdb, &d_psi, &d_epsilon);
  sincos(epsilon, &s1, &c1);
  sincos(d_psi, &s2, &c2);
  s2 *= -1.0;
  sincos(epsilon + d_epsilon, &s3, &c3);
  s3 *= -1.0;
  nut_matrix[0][0] = (c2);
  nut_matrix[0][1] = (s2 * c1);
  nut_matrix[0][2] = (s2 * s1);
  nut_matrix[1][0] = -(s2 * c3);
  nut_matrix[1][1] = (c3 * c2 * c1) - (s1 * s3);
  nut_matrix[1][2] = (c3 * c2 * s1) + (c1 * s3);
  nut_matrix[2][0] = (s2 * s3);
  nut_matrix[2][1] = -(s3 * c2 * c1) - (s1 * c3);
  nut_matrix[2][2] = -(s3 * c2 * s1) + (c3 * c1);
}
```
user: What is the c source code of the assembly code below:

```asm
<is_valid_name>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L126
L113:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x5(%rbp)
  addl   $0x1,-0x4(%rbp)
  cmpl   $0x1f,-0x4(%rbp)
  jg     L85
  cmpb   $0x2f,-0x5(%rbp)
  jle    L90
  cmpb   $0x39,-0x5(%rbp)
  jle    L111
L90:
  cmpb   $0x60,-0x5(%rbp)
  jle    L26
  cmpb   $0x7a,-0x5(%rbp)
  jle    L111
L26:
  cmpb   $0x5f,-0x5(%rbp)
  jne    L85
L111:
  addq   $0x1,-0x18(%rbp)
  jmp    L126
L85:
  mov    $0x0,%eax
  jmp    L35
L126:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L113
  cmpl   $0x0,-0x4(%rbp)
  jle    L93
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5f,%al
  je     L93
  mov    $0x1,%eax
  jmp    L35
L93:
  mov    $0x0,%eax
L35:
  pop    %rbp
  ret
```

assistant: ```c
bool is_valid_name(const char *name) {
  int len = 0;
  while (*name) {
    char ch = *name;
    if (++len < 32 && ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch == '_'))) {
      name++;
      continue;
    }
    return false;
  }
  return len > 0 && name[0] != '_';
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<is_valid_name>:
  endbr64
  movzbl (%rdi),%eax
  mov    $0x1,%ecx
  test   %al,%al
  je     L43
L35:
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  setbe  %dl
  lea    -0x61(%rax),%esi
  cmp    $0x19,%sil
  setbe  %sil
  or     %sil,%dl
  jne    L40
  cmp    $0x5f,%al
  je     L40
  mov    $0x0,%eax
  ret
L43:
  mov    $0x0,%ecx
L48:
  test   %ecx,%ecx
  setg   %al
  movzbl %al,%eax
  ret
L40:
  add    $0x1,%rdi
  movzbl (%rdi),%eax
  test   %al,%al
  je     L48
  add    $0x1,%ecx
  cmp    $0x20,%ecx
  jne    L35
  mov    $0x0,%eax
  ret
```

assistant: ```c
bool is_valid_name(const char *name) {
  int len = 0;
  while (*name) {
    char ch = *name;
    if (++len < 32 && ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch == '_'))) {
      name++;
      continue;
    }
    return false;
  }
  return len > 0 && name[0] != '_';
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<is_valid_name>:
  endbr64
  movzbl (%rdi),%eax
  mov    $0x1,%esi
  test   %al,%al
  je     L28
L40:
  lea    -0x30(%rax),%edx
  lea    -0x61(%rax),%ecx
  cmp    $0x9,%dl
  setbe  %dl
  cmp    $0x19,%cl
  setbe  %cl
  or     %cl,%dl
  jne    L38
  cmp    $0x5f,%al
  je     L38
L28:
  xor    %eax,%eax
  ret
  nopl   (%rax)
L38:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  je     L11
  add    $0x1,%esi
  cmp    $0x20,%esi
  jne    L40
  jmp    L28
  cs nopw 0x0(%rax,%rax,1)
L11:
  mov    $0x1,%eax
  ret
```

assistant: ```c
bool is_valid_name(const char *name) {
  int len = 0;
  while (*name) {
    char ch = *name;
    if (++len < 32 && ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch == '_'))) {
      name++;
      continue;
    }
    return false;
  }
  return len > 0 && name[0] != '_';
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<is_valid_name>:
  endbr64
  movzbl (%rdi),%eax
  mov    $0x1,%esi
  test   %al,%al
  je     L17
L45:
  lea    -0x30(%rax),%edx
  lea    -0x61(%rax),%ecx
  cmp    $0x9,%dl
  setbe  %dl
  cmp    $0x19,%cl
  setbe  %cl
  or     %cl,%dl
  jne    L37
  cmp    $0x5f,%al
  je     L37
L17:
  xor    %eax,%eax
  ret
  nopl   (%rax)
L37:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  je     L33
  add    $0x1,%esi
  cmp    $0x20,%esi
  jne    L45
  jmp    L17
  cs nopw 0x0(%rax,%rax,1)
L33:
  mov    $0x1,%eax
  ret
```

assistant: ```c
bool is_valid_name(const char *name) {
  int len = 0;
  while (*name) {
    char ch = *name;
    if (++len < 32 && ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch == '_'))) {
      name++;
      continue;
    }
    return false;
  }
  return len > 0 && name[0] != '_';
}
```