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

```asm
<flu_gets>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  mov    D3(%rip),%rax
  mov    (%rax),%edi
  call   <clock_gettime@plt>
  mov    %eax,%edx
  mov    $0x0,%eax
  test   %edx,%edx
  jne    L19
  cmp    $0x6e,%bl
  je     L58
  cmp    $0x75,%bl
  je     L57
  movslq (%rsp),%rax
  cmp    $0x6d,%bl
  je     L37
L19:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L70
  add    $0x10,%rsp
  pop    %rbx
  ret
L58:
  imul   $0x3b9aca00,(%rsp),%eax
  add    0x4(%rsp),%eax
  cltq
  jmp    L19
L57:
  imul   $0xf4240,(%rsp),%eax
  mov    0x4(%rsp),%ecx
  movslq %ecx,%rdx
  imul   $0x10624dd3,%rdx,%rdx
  sar    $0x26,%rdx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  add    %edx,%eax
  cltq
  jmp    L19
L37:
  imul   $0x3e8,(%rsp),%eax
  mov    0x4(%rsp),%ecx
  movslq %ecx,%rdx
  imul   $0x431bde83,%rdx,%rdx
  sar    $0x32,%rdx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  add    %edx,%eax
  cltq
  jmp    L19
L70:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long long flu_gets(char level) {
  struct timespec ts;
  int r = clock_gettime(CLOCK_REALTIME, &ts);
  if (r != 0)
    return 0;
  if (level == 'n')
    return ts.tv_sec * 1000000000 + ts.tv_nsec;
  if (level == 'u')
    return ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
  if (level == 'm')
    return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
  return ts.tv_sec;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<flu_gets>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    D3(%rip),%rax
  mov    %rsp,%rsi
  mov    (%rax),%edi
  call   <clock_gettime@plt>
  mov    %eax,%r8d
  xor    %eax,%eax
  test   %r8d,%r8d
  jne    L62
  mov    (%rsp),%edx
  cmp    $0x6e,%bl
  je     L78
  cmp    $0x75,%bl
  je     L54
  movslq %edx,%rax
  cmp    $0x6d,%bl
  je     L37
L62:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L33
  add    $0x10,%rsp
  pop    %rbx
  ret
  nopl   0x0(%rax)
L54:
  movslq 0x4(%rsp),%rax
  imul   $0xf4240,%edx,%edx
  mov    %rax,%rcx
  imul   $0x10624dd3,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x26,%rax
  sub    %ecx,%eax
  add    %edx,%eax
  cltq
  jmp    L62
  nopl   0x0(%rax)
L37:
  movslq 0x4(%rsp),%rax
  imul   $0x3e8,%edx,%edx
  mov    %rax,%rcx
  imul   $0x431bde83,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x32,%rax
  sub    %ecx,%eax
  add    %edx,%eax
  cltq
  jmp    L62
  nopl   0x0(%rax)
L78:
  imul   $0x3b9aca00,%edx,%edx
  add    0x4(%rsp),%edx
  movslq %edx,%rax
  jmp    L62
L33:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long long flu_gets(char level) {
  struct timespec ts;
  int r = clock_gettime(CLOCK_REALTIME, &ts);
  if (r != 0)
    return 0;
  if (level == 'n')
    return ts.tv_sec * 1000000000 + ts.tv_nsec;
  if (level == 'u')
    return ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
  if (level == 'm')
    return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
  return ts.tv_sec;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<flu_gets>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    D7(%rip),%rax
  mov    %rsp,%rsi
  mov    (%rax),%edi
  call   <clock_gettime@plt>
  mov    %eax,%r8d
  xor    %eax,%eax
  test   %r8d,%r8d
  jne    L22
  mov    (%rsp),%edx
  cmp    $0x6e,%bl
  je     L52
  cmp    $0x75,%bl
  je     L9
  movslq %edx,%rax
  cmp    $0x6d,%bl
  je     L79
L22:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L20
  add    $0x10,%rsp
  pop    %rbx
  ret
  nopl   0x0(%rax)
L9:
  movslq 0x4(%rsp),%rax
  imul   $0xf4240,%edx,%edx
  mov    %rax,%rcx
  imul   $0x10624dd3,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x26,%rax
  sub    %ecx,%eax
  add    %edx,%eax
  cltq
  jmp    L22
  nopl   0x0(%rax)
L79:
  movslq 0x4(%rsp),%rax
  imul   $0x3e8,%edx,%edx
  mov    %rax,%rcx
  imul   $0x431bde83,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x32,%rax
  sub    %ecx,%eax
  add    %edx,%eax
  cltq
  jmp    L22
  nopl   0x0(%rax)
L52:
  imul   $0x3b9aca00,%edx,%edx
  add    0x4(%rsp),%edx
  movslq %edx,%rax
  jmp    L22
L20:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long long flu_gets(char level) {
  struct timespec ts;
  int r = clock_gettime(CLOCK_REALTIME, &ts);
  if (r != 0)
    return 0;
  if (level == 'n')
    return ts.tv_sec * 1000000000 + ts.tv_nsec;
  if (level == 'u')
    return ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
  if (level == 'm')
    return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
  return ts.tv_sec;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<c16k_set_a>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%eax
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %al,-0x4(%rbp)
  movzbl -0x4(%rbp),%eax
  test   %al,%al
  jns    L33
  cmpb   $0x9f,-0x4(%rbp)
  ja     L0
  movzbl -0x4(%rbp),%eax
  lea    -0x40(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rcx
  mov    -0x10(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
  jmp    L15
L0:
  movzbl -0x4(%rbp),%eax
  lea    -0xa0(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rcx
  mov    -0x10(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
  jmp    L15
L33:
  cmpb   $0x1f,-0x4(%rbp)
  ja     L8
  movzbl -0x4(%rbp),%eax
  lea    0x40(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rcx
  mov    -0x10(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
  jmp    L15
L8:
  movzbl -0x4(%rbp),%eax
  lea    -0x20(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rcx
  mov    -0x10(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
L15:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void c16k_set_a(const unsigned char source, unsigned int values[], unsigned int *bar_chars) {
  if (source > 127) {
    if (source < 160) {
      values[(*bar_chars)] = source + 64 - 128;
    } else {
      values[(*bar_chars)] = source - 32 - 128;
    }
  } else {
    if (source < 32) {
      values[(*bar_chars)] = source + 64;
    } else {
      values[(*bar_chars)] = source - 32;
    }
  }
  (*bar_chars)++;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<c16k_set_a>:
  endbr64
  test   %dil,%dil
  js     L12
  cmp    $0x1f,%dil
  ja     L20
  mov    (%rdx),%ecx
  movzbl %dil,%edi
  add    $0x40,%edi
  mov    %edi,(%rsi,%rcx,4)
L11:
  addl   $0x1,(%rdx)
  ret
L12:
  cmp    $0x9f,%dil
  ja     L6
  mov    (%rdx),%ecx
  movzbl %dil,%edi
  sub    $0x40,%edi
  mov    %edi,(%rsi,%rcx,4)
  jmp    L11
L6:
  mov    (%rdx),%ecx
  movzbl %dil,%edi
  sub    $0xa0,%edi
  mov    %edi,(%rsi,%rcx,4)
  jmp    L11
L20:
  mov    (%rdx),%ecx
  movzbl %dil,%edi
  sub    $0x20,%edi
  mov    %edi,(%rsi,%rcx,4)
  jmp    L11
```

assistant: ```c
void c16k_set_a(const unsigned char source, unsigned int values[], unsigned int *bar_chars) {
  if (source > 127) {
    if (source < 160) {
      values[(*bar_chars)] = source + 64 - 128;
    } else {
      values[(*bar_chars)] = source - 32 - 128;
    }
  } else {
    if (source < 32) {
      values[(*bar_chars)] = source + 64;
    } else {
      values[(*bar_chars)] = source - 32;
    }
  }
  (*bar_chars)++;
}
```
user: Translate the below assembly code into C programming language:

```asm
<c16k_set_a>:
  endbr64
  mov    (%rdx),%eax
  lea    (%rsi,%rax,4),%rcx
  test   %dil,%dil
  js     L15
  cmp    $0x1f,%dil
  jbe    L1
  movzbl %dil,%edi
  lea    -0x20(%rdi),%eax
  mov    %eax,(%rcx)
  addl   $0x1,(%rdx)
  ret
  nopw   0x0(%rax,%rax,1)
L1:
  add    $0x40,%edi
  movzbl %dil,%eax
  mov    %eax,(%rcx)
  addl   $0x1,(%rdx)
  ret
  nopl   (%rax)
L15:
  movzbl %dil,%eax
  lea    -0x40(%rax),%esi
  sub    $0xa0,%eax
  cmp    $0x9f,%dil
  cmovbe %esi,%eax
  mov    %eax,(%rcx)
  addl   $0x1,(%rdx)
  ret
```

assistant: ```c
void c16k_set_a(const unsigned char source, unsigned int values[], unsigned int *bar_chars) {
  if (source > 127) {
    if (source < 160) {
      values[(*bar_chars)] = source + 64 - 128;
    } else {
      values[(*bar_chars)] = source - 32 - 128;
    }
  } else {
    if (source < 32) {
      values[(*bar_chars)] = source + 64;
    } else {
      values[(*bar_chars)] = source - 32;
    }
  }
  (*bar_chars)++;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<c16k_set_a>:
  endbr64
  mov    (%rdx),%eax
  lea    (%rsi,%rax,4),%rcx
  test   %dil,%dil
  js     L6
  cmp    $0x1f,%dil
  jbe    L1
  movzbl %dil,%edi
  lea    -0x20(%rdi),%eax
  mov    %eax,(%rcx)
  addl   $0x1,(%rdx)
  ret
  nopw   0x0(%rax,%rax,1)
L1:
  add    $0x40,%edi
  movzbl %dil,%eax
  mov    %eax,(%rcx)
  addl   $0x1,(%rdx)
  ret
  nopl   (%rax)
L6:
  movzbl %dil,%eax
  lea    -0x40(%rax),%esi
  sub    $0xa0,%eax
  cmp    $0x9f,%dil
  cmovbe %esi,%eax
  mov    %eax,(%rcx)
  addl   $0x1,(%rdx)
  ret
```

assistant: ```c
void c16k_set_a(const unsigned char source, unsigned int values[], unsigned int *bar_chars) {
  if (source > 127) {
    if (source < 160) {
      values[(*bar_chars)] = source + 64 - 128;
    } else {
      values[(*bar_chars)] = source - 32 - 128;
    }
  } else {
    if (source < 32) {
      values[(*bar_chars)] = source + 64;
    } else {
      values[(*bar_chars)] = source - 32;
    }
  }
  (*bar_chars)++;
}
```
user: Translate the below assembly code into C programming language:

```asm
<fractal_triangle>:
  endbr64
  mov    %edx,%eax
  sub    %edi,%eax
  add    $0x2,%eax
  cmp    $0x4,%eax
  ja     L2
  ret
L2:
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebp
  mov    %esi,%r13d
  mov    %edx,%ebx
  mov    %ecx,%r12d
  mov    %r9d,%r14d
  mov    %r8d,(%rsp)
  call   <drawTriangle@plt>
  mov    %r14d,0x4(%rsp)
  lea    0x0(%r13,%r14,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  mov    (%rsp),%r8d
  lea    0x0(%rbp,%r8,1),%eax
  mov    %eax,%esi
  shr    $0x1f,%esi
  mov    %esi,%r14d
  add    %eax,%r14d
  sar    %r14d
  lea    0x0(%r13,%r12,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %eax,%ecx
  lea    (%rbx,%rbp,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %r15d,%r9d
  mov    %r14d,%r8d
  mov    %ecx,0x8(%rsp)
  mov    %eax,0xc(%rsp)
  mov    %eax,%edx
  mov    %r13d,%esi
  mov    %ebp,%edi
  call   <fractal_triangle>
  mov    0x4(%rsp),%r9d
  lea    (%r12,%r9,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  mov    %eax,%ebp
  sar    %ebp
  mov    (%rsp),%r8d
  lea    (%rbx,%r8,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  mov    %eax,%r13d
  sar    %r13d
  mov    %ebp,%r9d
  mov    %r13d,%r8d
  mov    0x8(%rsp),%ecx
  mov    0xc(%rsp),%edx
  mov    %r12d,%esi
  mov    %ebx,%edi
  call   <fractal_triangle>
  mov    %r15d,%r9d
  mov    %r14d,%r8d
  mov    %ebp,%ecx
  mov    %r13d,%edx
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <fractal_triangle>
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void fractal_triangle(int x1, int y1, int x2, int y2, int x3, int y3) {
  if (abs(x2 - x1) < 3)
    return;
  drawTriangle(x1, y1, x2, y2, x3, y3);
  fractal_triangle(x1, y1, (x1 + x2) / 2, (y1 + y2) / 2, (x1 + x3) / 2, (y1 + y3) / 2);
  fractal_triangle(x2, y2, (x1 + x2) / 2, (y1 + y2) / 2, (x2 + x3) / 2, (y2 + y3) / 2);
  fractal_triangle(x3, y3, (x2 + x3) / 2, (y2 + y3) / 2, (x1 + x3) / 2, (y1 + y3) / 2);
  return;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<fractal_triangle>:
  endbr64
  mov    %edx,%eax
  sub    %edi,%eax
  add    $0x2,%eax
  cmp    $0x4,%eax
  jbe    L21
  push   %r15
  mov    %r8d,%r15d
  push   %r14
  mov    %r9d,%r14d
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x18,%rsp
L15:
  mov    %ebp,%ecx
  mov    %ebx,%edx
  mov    %r12d,%edi
  mov    %r14d,%r9d
  mov    %r15d,%r8d
  mov    %esi,0x4(%rsp)
  call   <drawTriangle@plt>
  mov    0x4(%rsp),%esi
  lea    (%r12,%r15,1),%edx
  mov    %r12d,%edi
  lea    (%rsi,%r14,1),%eax
  mov    %eax,%r10d
  shr    $0x1f,%r10d
  add    %eax,%r10d
  mov    %edx,%eax
  shr    $0x1f,%eax
  sar    %r10d
  add    %edx,%eax
  lea    (%rsi,%rbp,1),%edx
  mov    %r10d,%r9d
  mov    %r10d,0xc(%rsp)
  mov    %edx,%ecx
  sar    %eax
  shr    $0x1f,%ecx
  mov    %eax,%r8d
  mov    %eax,0x8(%rsp)
  add    %edx,%ecx
  lea    (%rbx,%r12,1),%edx
  mov    %r15d,%r12d
  mov    %edx,%r13d
  sar    %ecx
  shr    $0x1f,%r13d
  mov    %ecx,0x4(%rsp)
  add    %edx,%r13d
  sar    %r13d
  mov    %r13d,%edx
  call   <fractal_triangle>
  lea    (%r14,%rbp,1),%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  mov    %edx,%ebp
  mov    0x4(%rsp),%ecx
  shr    $0x1f,%ebp
  add    %edx,%ebp
  lea    (%rbx,%r15,1),%edx
  mov    %edx,%ebx
  sar    %ebp
  shr    $0x1f,%ebx
  mov    %ebp,%r9d
  add    %edx,%ebx
  mov    %r13d,%edx
  sar    %ebx
  mov    %ebx,%r8d
  call   <fractal_triangle>
  mov    %ebx,%edx
  mov    %r14d,%esi
  sub    %r15d,%edx
  add    $0x2,%edx
  cmp    $0x4,%edx
  jbe    L16
  mov    0xc(%rsp),%r14d
  mov    0x8(%rsp),%r15d
  jmp    L15
  nopl   0x0(%rax)
L16:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L21:
  ret
```

assistant: ```c
void fractal_triangle(int x1, int y1, int x2, int y2, int x3, int y3) {
  if (abs(x2 - x1) < 3)
    return;
  drawTriangle(x1, y1, x2, y2, x3, y3);
  fractal_triangle(x1, y1, (x1 + x2) / 2, (y1 + y2) / 2, (x1 + x3) / 2, (y1 + y3) / 2);
  fractal_triangle(x2, y2, (x1 + x2) / 2, (y1 + y2) / 2, (x2 + x3) / 2, (y2 + y3) / 2);
  fractal_triangle(x3, y3, (x2 + x3) / 2, (y2 + y3) / 2, (x1 + x3) / 2, (y1 + y3) / 2);
  return;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<fractal_triangle>:
  endbr64
  mov    %edx,%eax
  sub    %edi,%eax
  add    $0x2,%eax
  cmp    $0x4,%eax
  jbe    L9
  push   %r15
  mov    %r8d,%r15d
  push   %r14
  mov    %r9d,%r14d
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x18,%rsp
L10:
  mov    %ebp,%ecx
  mov    %ebx,%edx
  mov    %r12d,%edi
  mov    %r14d,%r9d
  mov    %r15d,%r8d
  mov    %esi,0x4(%rsp)
  call   <drawTriangle@plt>
  mov    0x4(%rsp),%esi
  lea    (%r12,%r15,1),%edx
  mov    %r12d,%edi
  lea    (%rsi,%r14,1),%eax
  mov    %eax,%r10d
  shr    $0x1f,%r10d
  add    %eax,%r10d
  mov    %edx,%eax
  shr    $0x1f,%eax
  sar    %r10d
  add    %edx,%eax
  lea    (%rsi,%rbp,1),%edx
  mov    %r10d,%r9d
  mov    %r10d,0xc(%rsp)
  mov    %edx,%ecx
  sar    %eax
  shr    $0x1f,%ecx
  mov    %eax,%r8d
  mov    %eax,0x8(%rsp)
  add    %edx,%ecx
  lea    (%rbx,%r12,1),%edx
  mov    %r15d,%r12d
  mov    %edx,%r13d
  sar    %ecx
  shr    $0x1f,%r13d
  mov    %ecx,0x4(%rsp)
  add    %edx,%r13d
  sar    %r13d
  mov    %r13d,%edx
  call   <fractal_triangle>
  lea    (%r14,%rbp,1),%edx
  mov    %ebp,%esi
  mov    %ebx,%edi
  mov    %edx,%ebp
  mov    0x4(%rsp),%ecx
  shr    $0x1f,%ebp
  add    %edx,%ebp
  lea    (%rbx,%r15,1),%edx
  mov    %edx,%ebx
  sar    %ebp
  shr    $0x1f,%ebx
  mov    %ebp,%r9d
  add    %edx,%ebx
  mov    %r13d,%edx
  sar    %ebx
  mov    %ebx,%r8d
  call   <fractal_triangle>
  mov    %ebx,%edx
  mov    %r14d,%esi
  sub    %r15d,%edx
  add    $0x2,%edx
  cmp    $0x4,%edx
  jbe    L11
  mov    0xc(%rsp),%r14d
  mov    0x8(%rsp),%r15d
  jmp    L10
  nopl   0x0(%rax)
L11:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L9:
  ret
```

assistant: ```c
void fractal_triangle(int x1, int y1, int x2, int y2, int x3, int y3) {
  if (abs(x2 - x1) < 3)
    return;
  drawTriangle(x1, y1, x2, y2, x3, y3);
  fractal_triangle(x1, y1, (x1 + x2) / 2, (y1 + y2) / 2, (x1 + x3) / 2, (y1 + y3) / 2);
  fractal_triangle(x2, y2, (x1 + x2) / 2, (y1 + y2) / 2, (x2 + x3) / 2, (y2 + y3) / 2);
  fractal_triangle(x3, y3, (x2 + x3) / 2, (y2 + y3) / 2, (x1 + x3) / 2, (y1 + y3) / 2);
  return;
}
```
user: Translate the below assembly code into C programming language:

```asm
<isxdigit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x40,-0x4(%rbp)
  jle    L62
  cmpl   $0x46,-0x4(%rbp)
  jle    L25
L62:
  cmpl   $0x60,-0x4(%rbp)
  jle    L14
  cmpl   $0x66,-0x4(%rbp)
  jle    L25
L14:
  cmpl   $0x2f,-0x4(%rbp)
  jle    L67
  cmpl   $0x39,-0x4(%rbp)
  jg     L67
L25:
  mov    $0x1,%eax
  jmp    L39
L67:
  mov    $0x0,%eax
L39:
  pop    %rbp
  ret
```

assistant: ```c
int isxdigit(int c) {
  if ((c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f') || (c >= '0' && c <= '9')) {
    return (1);
  } else {
    return (0);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<isxdigit>:
  endbr64
  mov    %edi,%eax
  and    $0xffffffdf,%eax
  sub    $0x41,%eax
  mov    $0x1,%edx
  cmp    $0x5,%eax
  jbe    L8
  sub    $0x30,%edi
  cmp    $0x9,%edi
  setbe  %dl
  movzbl %dl,%edx
L8:
  mov    %edx,%eax
  ret
```

assistant: ```c
int isxdigit(int c) {
  if ((c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f') || (c >= '0' && c <= '9')) {
    return (1);
  } else {
    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
<isxdigit>:
  endbr64
  mov    %edi,%eax
  mov    $0x1,%r8d
  and    $0xffffffdf,%eax
  sub    $0x41,%eax
  cmp    $0x5,%eax
  jbe    L5
  sub    $0x30,%edi
  xor    %r8d,%r8d
  cmp    $0x9,%edi
  setbe  %r8b
L5:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int isxdigit(int c) {
  if ((c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f') || (c >= '0' && c <= '9')) {
    return (1);
  } else {
    return (0);
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<isxdigit>:
  endbr64
  mov    %edi,%eax
  mov    $0x1,%r8d
  and    $0xffffffdf,%eax
  sub    $0x41,%eax
  cmp    $0x5,%eax
  jbe    L9
  sub    $0x30,%edi
  xor    %r8d,%r8d
  cmp    $0x9,%edi
  setbe  %r8b
L9:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int isxdigit(int c) {
  if ((c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f') || (c >= '0' && c <= '9')) {
    return (1);
  } else {
    return (0);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<hurl_header_split_line>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,0x18(%rsp)
  mov    %rdx,0x8(%rsp)
  mov    %rcx,0x10(%rsp)
  lea    -0x1(%rsi),%r14d
  test   %r14d,%r14d
  jle    L107
  mov    %rdi,%r12
  mov    $0xffffffff,%r15d
  mov    $0x0,%ebp
  mov    $0x0,%ebx
  jmp    L96
L63:
  movslq %ebx,%rdx
  movzbl (%r12,%rdx,1),%eax
  cmp    $0xd,%al
  je     L70
  mov    %ebx,%edx
  sub    %ebp,%edx
  cmp    $0xa,%al
  cmove  %edx,%r15d
L73:
  add    $0x1,%ebx
  cmp    %r14d,%ebx
  jge    L38
L96:
  test   %ebp,%ebp
  jne    L63
  movslq %ebx,%r13
  cmpb   $0x3a,(%r12,%r13,1)
  jne    L73
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <hurl_allocstrcpy@plt>
  mov    0x8(%rsp),%rcx
  mov    %rax,(%rcx)
  test   %rax,%rax
  je     L149
  lea    0x1(%rbx),%ebp
  cmpb   $0x20,0x1(%r12,%r13,1)
  jne    L73
  lea    0x2(%rbx),%ebp
  add    $0x1,%ebx
  jmp    L73
L70:
  cmpb   $0xa,0x1(%r12,%rdx,1)
  jne    L73
  mov    %ebx,%r15d
  sub    %ebp,%r15d
  jmp    L73
L38:
  test   %ebp,%ebp
  je     L149
  mov    0x18(%rsp),%eax
  sub    %ebp,%eax
  cmp    $0xffffffff,%r15d
  cmove  %eax,%r15d
  movslq %r15d,%rsi
  movslq %ebp,%rbp
  lea    (%r12,%rbp,1),%rdi
  mov    $0x1,%edx
  call   <hurl_allocstrcpy@plt>
  mov    0x10(%rsp),%rdi
  mov    %rax,(%rdi)
  mov    $0x1,%ebp
  test   %rax,%rax
  je     L17
L149:
  mov    %ebp,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L17:
  mov    0x8(%rsp),%rbx
  mov    (%rbx),%rdi
  call   <free@plt>
  movq   $0x0,(%rbx)
  mov    0x10(%rsp),%rax
  movq   $0x0,(%rax)
  mov    $0x0,%ebp
  jmp    L149
L107:
  mov    $0x0,%ebp
  jmp    L149
```

assistant: ```c
int hurl_header_split_line(const char *line, size_t line_len, char **key, char **value) {
  int i = 0;
  int bgof_value = 0;
  int value_len = -1;
  for (i = 0; i < (int)line_len - 1; i++) {
    if (!bgof_value && line[i] == ':') {
      if ((*key = hurl_allocstrcpy(line, (size_t)i, 1)) != NULL) {
        if (line[i + 1] == ' ') {
          bgof_value = i + 2;
          i++;
        } else {
          bgof_value = i + 1;
        }
      } else {
        return 0;
      }
    } else if (bgof_value && line[i] == '\r' && line[i + 1] == '\n') {
      value_len = (int)(i - bgof_value);
    } else if (bgof_value && line[i] == '\n') {
      value_len = i - bgof_value;
    }
  }
  if (bgof_value) {
    if (value_len == -1) {
      value_len = (int)line_len - bgof_value;
    }
    if ((*value = hurl_allocstrcpy(line + bgof_value, (size_t)value_len, 1)) == NULL) {
      free(*key);
      *key = NULL;
      *value = NULL;
      return 0;
    } else {
      return 1;
    }
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<hurl_header_split_line>:
  endbr64
  push   %r15
  lea    -0x1(%rsi),%r15d
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rsi,0x8(%rsp)
  mov    %rcx,(%rsp)
  test   %r15d,%r15d
  jle    L98
  mov    %rdi,%rbp
  mov    %rdx,%r12
  mov    $0xffffffff,%r13d
  xor    %ecx,%ecx
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L11:
  movslq %eax,%rbx
  movzbl 0x0(%rbp,%rbx,1),%edx
  test   %ecx,%ecx
  je     L72
  lea    0x1(%rax),%esi
  cmp    $0xd,%dl
  je     L69
  cmp    $0xa,%dl
  je     L70
L75:
  mov    %esi,%eax
L84:
  cmp    %r15d,%eax
  jl     L11
  mov    0x8(%rsp),%r14d
  mov    $0x1,%edx
  sub    %ecx,%r14d
  cmp    $0xffffffff,%r13d
  movslq %ecx,%rcx
  cmove  %r14d,%r13d
  lea    0x0(%rbp,%rcx,1),%rdi
  movslq %r13d,%rsi
  call   <hurl_allocstrcpy@plt>
  mov    (%rsp),%rdi
  mov    $0x1,%r8d
  mov    %rax,(%rdi)
  test   %rax,%rax
  jne    L88
  mov    (%r12),%rdi
  call   <free@plt>
  mov    (%rsp),%rax
  movq   $0x0,(%r12)
  movq   $0x0,(%rax)
  nop
L98:
  xor    %r8d,%r8d
L88:
  add    $0x18,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L38:
  add    $0x1,%rbx
  cmp    %ebx,%r15d
  jle    L98
L72:
  cmpb   $0x3a,0x0(%rbp,%rbx,1)
  jne    L38
  mov    $0x1,%edx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <hurl_allocstrcpy@plt>
  mov    %rax,(%r12)
  test   %rax,%rax
  je     L98
  lea    0x1(%rbx),%ecx
  cmpb   $0x20,0x1(%rbp,%rbx,1)
  mov    %ecx,%eax
  jne    L84
  lea    0x2(%rbx),%ecx
  mov    %ecx,%eax
  jmp    L84
  nopl   0x0(%rax,%rax,1)
L69:
  cmpb   $0xa,0x1(%rbp,%rbx,1)
  jne    L75
L70:
  sub    %ecx,%eax
  mov    %eax,%r13d
  mov    %esi,%eax
  jmp    L84
```

assistant: ```c
int hurl_header_split_line(const char *line, size_t line_len, char **key, char **value) {
  int i = 0;
  int bgof_value = 0;
  int value_len = -1;
  for (i = 0; i < (int)line_len - 1; i++) {
    if (!bgof_value && line[i] == ':') {
      if ((*key = hurl_allocstrcpy(line, (size_t)i, 1)) != NULL) {
        if (line[i + 1] == ' ') {
          bgof_value = i + 2;
          i++;
        } else {
          bgof_value = i + 1;
        }
      } else {
        return 0;
      }
    } else if (bgof_value && line[i] == '\r' && line[i + 1] == '\n') {
      value_len = (int)(i - bgof_value);
    } else if (bgof_value && line[i] == '\n') {
      value_len = i - bgof_value;
    }
  }
  if (bgof_value) {
    if (value_len == -1) {
      value_len = (int)line_len - bgof_value;
    }
    if ((*value = hurl_allocstrcpy(line + bgof_value, (size_t)value_len, 1)) == NULL) {
      free(*key);
      *key = NULL;
      *value = NULL;
      return 0;
    } else {
      return 1;
    }
  }
  return 0;
}
```