ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here:

```asm
<anyNonNormal>:
  endbr64
  test   %esi,%esi
  jle    L26
  push   %rbp
  lea    -0x1(%rsi),%eax
  push   %rbx
  lea    0x8(%rdi,%rax,8),%rbp
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  jmp    L44
  nopl   0x0(%rax,%rax,1)
L39:
  movsd  (%rbx),%xmm0
  call   <isinf@plt>
  test   %rax,%rax
  jne    L45
  add    $0x8,%rbx
  cmp    %rbp,%rbx
  je     L30
L44:
  movsd  (%rbx),%xmm0
  call   <isnan@plt>
  test   %rax,%rax
  je     L39
L45:
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L30:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L26:
  xor    %eax,%eax
  ret
```

assistant: ```c
int anyNonNormal(double a[], int size) {
  int res = 0;
  int i;
  for (i = 0; i < size; i++) {
    if (isnan(a[i]) || isinf(a[i])) {
      res = 1;
      return res;
    }
  }
  return res;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<anyNonNormal>:
  endbr64
  test   %esi,%esi
  jle    L3
  push   %rbp
  lea    -0x1(%rsi),%eax
  push   %rbx
  lea    0x8(%rdi,%rax,8),%rbp
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  jmp    L26
  nopl   0x0(%rax,%rax,1)
L17:
  movsd  (%rbx),%xmm0
  call   <isinf@plt>
  test   %rax,%rax
  jne    L20
  add    $0x8,%rbx
  cmp    %rbp,%rbx
  je     L32
L26:
  movsd  (%rbx),%xmm0
  call   <isnan@plt>
  test   %rax,%rax
  je     L17
L20:
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L32:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L3:
  xor    %eax,%eax
  ret
```

assistant: ```c
int anyNonNormal(double a[], int size) {
  int res = 0;
  int i;
  for (i = 0; i < size; i++) {
    if (isnan(a[i]) || isinf(a[i])) {
      res = 1;
      return res;
    }
  }
  return res;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<iso_date>:
  endbr64
  push   %rbx
  sub    $0x40,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  movsbl (%rdi),%r8d
  lea    -0x46(%r8),%r9d
  mov    $0x0,%ecx
  test   %esi,%esi
  jne    L75
  movsbl 0x6(%rdi),%ecx
L75:
  mov    $0x0,%eax
  test   %r9d,%r9d
  js     L7
  movzbl 0x1(%rdi),%esi
  movzbl 0x2(%rdi),%ebx
  movzbl 0x3(%rdi),%r11d
  movzbl 0x4(%rdi),%r10d
  movzbl 0x5(%rdi),%edi
  movl   $0x1f,(%rsp)
  movl   $0x1c,0x4(%rsp)
  movl   $0x1f,0x8(%rsp)
  movl   $0x1e,0xc(%rsp)
  movl   $0x1f,0x10(%rsp)
  movl   $0x1e,0x14(%rsp)
  movl   $0x1f,0x18(%rsp)
  movl   $0x1f,0x1c(%rsp)
  movl   $0x1e,0x20(%rsp)
  movl   $0x1f,0x24(%rsp)
  movl   $0x1e,0x28(%rsp)
  movl   $0x1f,0x2c(%rsp)
  imul   $0x16d,%r9d,%edx
  cmp    $0x2,%r9d
  jle    L11
  lea    -0x42(%r8),%eax
  mov    %r8d,%r9d
  sub    $0x45,%r9d
  cmovns %r9d,%eax
  sar    $0x2,%eax
  add    %eax,%edx
L11:
  movsbl %sil,%r9d
  cmp    $0x1,%sil
  jle    L40
  mov    %rsp,%rax
  lea    -0x2(%r9),%esi
  lea    0x4(%rsp,%rsi,4),%rsi
L30:
  add    (%rax),%edx
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L30
L40:
  test   $0x3,%r8b
  jne    L32
  cmp    $0x2,%r9d
  setg   %al
  cmp    $0x1,%al
  sbb    $0xffffffff,%edx
L32:
  movsbl %bl,%eax
  lea    -0x1(%rdx,%rax,1),%eax
  lea    (%rax,%rax,2),%edx
  movsbl %r11b,%eax
  lea    (%rax,%rdx,8),%eax
  imul   $0x3c,%eax,%eax
  movsbl %r10b,%edx
  add    %edx,%eax
  imul   $0x3c,%eax,%eax
  movsbl %dil,%edx
  add    %edx,%eax
  mov    %ecx,%edx
  or     $0xffffff00,%edx
  test   $0x80,%cl
  cmovne %edx,%ecx
  lea    0x30(%rcx),%edx
  cmp    $0x64,%edx
  ja     L7
  imul   $0x384,%ecx,%ecx
  add    %ecx,%eax
L7:
  mov    0x38(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L22
  add    $0x40,%rsp
  pop    %rbx
  ret
L22:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int iso_date(char *p, int flag) {
  int year, month, day, hour, minute, second, tz;
  int crtime, days, i;
  year = p[0] - 70;
  month = p[1];
  day = p[2];
  hour = p[3];
  minute = p[4];
  second = p[5];
  if (flag == 0)
    tz = p[6];
  else
    tz = 0;
  if (year < 0) {
    crtime = 0;
  } else {
    int monlen[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    days = year * 365;
    if (year > 2)
      days += (year + 1) / 4;
    for (i = 1; i < month; i++)
      days += monlen[i - 1];
    if (((year + 2) % 4) == 0 && month > 2)
      days++;
    days += day - 1;
    crtime = ((((days * 24) + hour) * 60 + minute) * 60) + second;
    if (tz & 0x80)
      tz |= (-1 << 8);
    if (-48 <= tz && tz <= 52)
      crtime += tz * 15 * 60;
  }
  return crtime;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<iso_date>:
  endbr64
  push   %rbp
  xor    %r9d,%r9d
  push   %rbx
  sub    $0x48,%rsp
  movsbl (%rdi),%r8d
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  lea    -0x46(%r8),%ecx
  test   %esi,%esi
  jne    L67
  movsbl 0x6(%rdi),%r9d
L67:
  xor    %eax,%eax
  test   %ecx,%ecx
  js     L18
  movabs $0x1e0000001f,%rdx
  movzbl 0x1(%rdi),%eax
  movzbl 0x2(%rdi),%ebx
  movabs $0x1c0000001f,%rsi
  movzbl 0x3(%rdi),%r11d
  movzbl 0x4(%rdi),%r10d
  mov    %rsi,(%rsp)
  movabs $0x1f0000001f,%rsi
  mov    %rdx,0x8(%rsp)
  movzbl 0x5(%rdi),%edi
  mov    %rdx,0x10(%rsp)
  movabs $0x1f0000001e,%rdx
  mov    %rdx,0x20(%rsp)
  mov    %rdx,0x28(%rsp)
  imul   $0x16d,%ecx,%edx
  mov    %rsi,0x18(%rsp)
  cmp    $0x2,%ecx
  jg     L23
L49:
  movsbl %al,%ebp
  cmp    $0x1,%al
  jle    L10
  lea    -0x2(%rbp),%ecx
  mov    %rsp,%rax
  lea    (%rax,%rcx,4),%rsi
  mov    $0x1f,%ecx
  jmp    L96
  nopw   0x0(%rax,%rax,1)
L50:
  mov    0x4(%rax),%ecx
  add    $0x4,%rax
L96:
  add    %ecx,%edx
  cmp    %rax,%rsi
  jne    L50
  and    $0x3,%r8d
  jne    L10
  cmp    $0x2,%ebp
  setg   %al
  cmp    $0x1,%al
  sbb    $0xffffffff,%edx
L10:
  movsbl %bl,%eax
  lea    -0x1(%rdx,%rax,1),%eax
  lea    (%rax,%rax,2),%edx
  movsbl %r11b,%eax
  lea    (%rax,%rdx,8),%eax
  movsbl %r10b,%edx
  imul   $0x3c,%eax,%eax
  add    %edx,%eax
  movsbl %dil,%edx
  imul   $0x3c,%eax,%eax
  add    %edx,%eax
  lea    0x30(%r9),%edx
  cmp    $0x64,%edx
  jbe    L62
L18:
  mov    0x38(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L29
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L23:
  mov    %r8d,%esi
  lea    -0x42(%r8),%ecx
  sub    $0x45,%esi
  cmovns %esi,%ecx
  sar    $0x2,%ecx
  add    %ecx,%edx
  jmp    L49
  nop
L62:
  imul   $0x384,%r9d,%r9d
  add    %r9d,%eax
  jmp    L18
L29:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int iso_date(char *p, int flag) {
  int year, month, day, hour, minute, second, tz;
  int crtime, days, i;
  year = p[0] - 70;
  month = p[1];
  day = p[2];
  hour = p[3];
  minute = p[4];
  second = p[5];
  if (flag == 0)
    tz = p[6];
  else
    tz = 0;
  if (year < 0) {
    crtime = 0;
  } else {
    int monlen[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    days = year * 365;
    if (year > 2)
      days += (year + 1) / 4;
    for (i = 1; i < month; i++)
      days += monlen[i - 1];
    if (((year + 2) % 4) == 0 && month > 2)
      days++;
    days += day - 1;
    crtime = ((((days * 24) + hour) * 60 + minute) * 60) + second;
    if (tz & 0x80)
      tz |= (-1 << 8);
    if (-48 <= tz && tz <= 52)
      crtime += tz * 15 * 60;
  }
  return crtime;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    D5(%rip),%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  void *p;
  (void)argc;
  (void)argv;
  p = (void *)(posix_fadvise);
  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
  mov    $0x0,%eax
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  void *p;
  (void)argc;
  (void)argv;
  p = (void *)(posix_fadvise);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  void *p;
  (void)argc;
  (void)argv;
  p = (void *)(posix_fadvise);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  void *p;
  (void)argc;
  (void)argv;
  p = (void *)(posix_fadvise);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<find_macro>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movq   $0x0,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L98
  cmpq   $0x0,-0x20(%rbp)
  jne    L36
L98:
  mov    $0x0,%eax
  jmp    L117
L65:
  addq   $0x1,-0x18(%rbp)
L36:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L76
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L65
L76:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x23,%al
  jne    L11
  jmp    L187
L105:
  addq   $0x1,-0x18(%rbp)
L187:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L179
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L105
L179:
  nop
  jmp    L36
L11:
  nop
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L124
  mov    -0x20(%rbp),%rax
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
  jmp    L124
L186:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L182
  addl   $0x1,-0xc(%rbp)
  jmp    L139
L182:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L4
  cmpl   $0x0,-0xc(%rbp)
  jne    L150
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L85
L150:
  movl   $0x0,-0xc(%rbp)
  jmp    L139
L4:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L139
  movl   $0x0,-0xc(%rbp)
L139:
  addq   $0x1,-0x18(%rbp)
L124:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L186
L85:
  mov    -0x8(%rbp),%rax
L117:
  leave
  ret
```

assistant: ```c
char *find_macro(char *pBuffer, char **ppMacro) {
  char *pRetval = NULL;
  int iBackslash = 0;
  if (pBuffer == NULL || ppMacro == NULL) {
    return (NULL);
  }
  while (1) {
    while (*pBuffer && isspace(*pBuffer)) {
      pBuffer++;
    }
    if (*pBuffer == '#') {
      while (*pBuffer && *pBuffer != '\n') {
        pBuffer++;
      }
      continue;
    }
    break;
  }
  if (*pBuffer) {
    *ppMacro = pBuffer;
  }
  while (*pBuffer) {
    if (*pBuffer == '\\') {
      iBackslash++;
    } else if (*pBuffer == '\n') {
      if (iBackslash == 0) {
        pRetval = pBuffer + 1;
        break;
      }
      iBackslash = 0;
    } else if (!isspace(*pBuffer)) {
      iBackslash = 0;
    }
    pBuffer++;
  }
  return (pRetval);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<find_macro>:
  endbr64
  test   %rdi,%rdi
  je     L141
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  test   %rsi,%rsi
  je     L153
L161:
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L118
L65:
  movzbl (%rbx),%eax
  cmp    $0x23,%al
  je     L80
  mov    $0x0,%edx
  test   %al,%al
  je     L1
  mov    %rbx,0x0(%rbp)
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L26
  mov    $0x0,%ebp
  mov    $0x0,%r12d
  jmp    L129
L118:
  movsbl %dil,%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L65
  add    $0x1,%rbx
  jmp    L161
L80:
  add    $0x1,%rbx
  movzbl (%rbx),%eax
  test   %al,%al
  je     L161
  cmp    $0xa,%al
  jne    L80
  jmp    L161
L94:
  add    $0x1,%ebp
L174:
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L4
L129:
  cmp    $0x5c,%dil
  je     L94
  cmp    $0xa,%dil
  jne    L72
  test   %ebp,%ebp
  je     L201
  mov    $0x0,%ebp
  jmp    L174
L201:
  lea    0x1(%rbx),%rdx
  jmp    L1
L72:
  movsbl %dil,%edi
  call   <isspace@plt>
  test   %rax,%rax
  cmove  %r12d,%ebp
  jmp    L174
L4:
  mov    $0x0,%edx
L1:
  mov    %rdx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L153:
  mov    $0x0,%edx
  jmp    L1
L26:
  mov    $0x0,%edx
  jmp    L1
L141:
  mov    $0x0,%edx
  mov    %rdx,%rax
  ret
```

assistant: ```c
char *find_macro(char *pBuffer, char **ppMacro) {
  char *pRetval = NULL;
  int iBackslash = 0;
  if (pBuffer == NULL || ppMacro == NULL) {
    return (NULL);
  }
  while (1) {
    while (*pBuffer && isspace(*pBuffer)) {
      pBuffer++;
    }
    if (*pBuffer == '#') {
      while (*pBuffer && *pBuffer != '\n') {
        pBuffer++;
      }
      continue;
    }
    break;
  }
  if (*pBuffer) {
    *ppMacro = pBuffer;
  }
  while (*pBuffer) {
    if (*pBuffer == '\\') {
      iBackslash++;
    } else if (*pBuffer == '\n') {
      if (iBackslash == 0) {
        pRetval = pBuffer + 1;
        break;
      }
      iBackslash = 0;
    } else if (!isspace(*pBuffer)) {
      iBackslash = 0;
    }
    pBuffer++;
  }
  return (pRetval);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<find_macro>:
  endbr64
  test   %rdi,%rdi
  je     L99
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L156
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
L173:
  test   %dil,%dil
  jne    L123
L156:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
  nop
L123:
  call   <isspace@plt>
  test   %rax,%rax
  jne    L112
  movzbl (%rbx),%eax
  cmp    $0x23,%al
  je     L96
  test   %al,%al
  je     L156
  mov    %rbx,0x0(%rbp)
  movsbl (%rbx),%edi
  test   %dil,%dil
  je     L156
  xor    %ebp,%ebp
  cmp    $0x5c,%dil
  je     L98
  nopl   0x0(%rax)
L187:
  cmp    $0xa,%dil
  jne    L53
  test   %ebp,%ebp
  je     L72
L58:
  xor    %ebp,%ebp
L157:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L156
  cmp    $0x5c,%dil
  jne    L187
L98:
  add    $0x1,%ebp
  jmp    L157
  nopl   0x0(%rax)
L1:
  cmp    $0xa,%dil
  je     L173
L96:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L1
  jmp    L156
  nopl   (%rax)
L53:
  call   <isspace@plt>
  test   %rax,%rax
  je     L58
  jmp    L157
  nopl   0x0(%rax)
L112:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  jmp    L173
  nopl   (%rax)
L72:
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  ret
L99:
  xor    %eax,%eax
  ret
```

assistant: ```c
char *find_macro(char *pBuffer, char **ppMacro) {
  char *pRetval = NULL;
  int iBackslash = 0;
  if (pBuffer == NULL || ppMacro == NULL) {
    return (NULL);
  }
  while (1) {
    while (*pBuffer && isspace(*pBuffer)) {
      pBuffer++;
    }
    if (*pBuffer == '#') {
      while (*pBuffer && *pBuffer != '\n') {
        pBuffer++;
      }
      continue;
    }
    break;
  }
  if (*pBuffer) {
    *ppMacro = pBuffer;
  }
  while (*pBuffer) {
    if (*pBuffer == '\\') {
      iBackslash++;
    } else if (*pBuffer == '\n') {
      if (iBackslash == 0) {
        pRetval = pBuffer + 1;
        break;
      }
      iBackslash = 0;
    } else if (!isspace(*pBuffer)) {
      iBackslash = 0;
    }
    pBuffer++;
  }
  return (pRetval);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<find_macro>:
  endbr64
  test   %rdi,%rdi
  je     L19
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L109
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
L15:
  test   %dil,%dil
  jne    L172
L109:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
  nop
L172:
  call   <isspace@plt>
  test   %rax,%rax
  jne    L105
  movzbl (%rbx),%eax
  cmp    $0x23,%al
  je     L95
  test   %al,%al
  je     L109
  mov    %rbx,0x0(%rbp)
  movsbl (%rbx),%edi
  test   %dil,%dil
  je     L109
  xor    %ebp,%ebp
  cmp    $0x5c,%dil
  je     L44
  nopl   0x0(%rax)
L183:
  cmp    $0xa,%dil
  jne    L135
  test   %ebp,%ebp
  je     L144
L62:
  xor    %ebp,%ebp
L26:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L109
  cmp    $0x5c,%dil
  jne    L183
L44:
  add    $0x1,%ebp
  jmp    L26
  nopl   0x0(%rax)
L186:
  cmp    $0xa,%dil
  je     L15
L95:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L186
  jmp    L109
  nopl   (%rax)
L135:
  call   <isspace@plt>
  test   %rax,%rax
  je     L62
  jmp    L26
  nopl   0x0(%rax)
L105:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  jmp    L15
  nopl   (%rax)
L144:
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  ret
L19:
  xor    %eax,%eax
  ret
```

assistant: ```c
char *find_macro(char *pBuffer, char **ppMacro) {
  char *pRetval = NULL;
  int iBackslash = 0;
  if (pBuffer == NULL || ppMacro == NULL) {
    return (NULL);
  }
  while (1) {
    while (*pBuffer && isspace(*pBuffer)) {
      pBuffer++;
    }
    if (*pBuffer == '#') {
      while (*pBuffer && *pBuffer != '\n') {
        pBuffer++;
      }
      continue;
    }
    break;
  }
  if (*pBuffer) {
    *ppMacro = pBuffer;
  }
  while (*pBuffer) {
    if (*pBuffer == '\\') {
      iBackslash++;
    } else if (*pBuffer == '\n') {
      if (iBackslash == 0) {
        pRetval = pBuffer + 1;
        break;
      }
      iBackslash = 0;
    } else if (!isspace(*pBuffer)) {
      iBackslash = 0;
    }
    pBuffer++;
  }
  return (pRetval);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdi
  call   <pipe@plt>
  lea    0x10(%rsp),%rdi
  call   <pipe@plt>
  mov    $0x0,%eax
  call   <fork@plt>
  test   %rax,%rax
  je     L62
L41:
  mov    $0x0,%eax
  call   <fork@plt>
  test   %rax,%rax
  je     L5
L13:
  mov    $0x0,%eax
  call   <fork@plt>
  test   %rax,%rax
  je     L28
L18:
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    0x10(%rsp),%edi
  call   <close@plt>
  mov    0x14(%rsp),%edi
  call   <close@plt>
  mov    $0x0,%edi
  call   <wait@plt>
  mov    $0x0,%edi
  call   <wait@plt>
  mov    $0x0,%edi
  call   <wait@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L69
  mov    $0x0,%eax
  add    $0x28,%rsp
  ret
L62:
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    0x10(%rsp),%edi
  call   <close@plt>
  mov    0x14(%rsp),%edi
  call   <close@plt>
  mov    $0x1,%esi
  mov    0xc(%rsp),%edi
  call   <dup2@plt>
  mov    $0x0,%ecx
  lea    D11(%rip),%rdx
  lea    D29(%rip),%rdi
  mov    %rdi,%rsi
  mov    $0x0,%eax
  call   <execl@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  jmp    L41
L5:
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    0x10(%rsp),%edi
  call   <close@plt>
  mov    $0x0,%esi
  mov    0x8(%rsp),%edi
  call   <dup2@plt>
  mov    $0x1,%esi
  mov    0x14(%rsp),%edi
  call   <dup2@plt>
  mov    $0x0,%edx
  lea    D36(%rip),%rdi
  mov    %rdi,%rsi
  mov    $0x0,%eax
  call   <execl@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  jmp    L13
L28:
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    0x14(%rsp),%edi
  call   <close@plt>
  mov    $0x0,%esi
  mov    0x10(%rsp),%edi
  call   <dup2@plt>
  mov    $0x0,%ecx
  lea    D47(%rip),%rdx
  lea    D2(%rip),%rdi
  mov    %rdi,%rsi
  mov    $0x0,%eax
  call   <execl@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  jmp    L18
L69:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D11
data_type: string
name: disassemble_data
arguments: data_label: D29
data_type: string
name: disassemble_data
arguments: data_label: D36
data_type: string
name: disassemble_data
arguments: data_label: D47
data_type: string
name: disassemble_data
arguments: data_label: D2
data_type: string

tool: D11: a.txt

tool: D29: /usr/bin/sort

tool: D36: /usr/bin/uniq

tool: D47: -l

tool: D2: /usr/bin/wc

assistant: ```c
int main() {
  int su[2], uw[2];
  pipe(su);
  pipe(uw);
  if (fork() == 0) {
    close(su[0]);
    close(uw[0]);
    close(uw[1]);
    dup2(su[1], 1);
    execl("/usr/bin/sort", "/usr/bin/sort", "a.txt", NULL);
    exit(0);
  }
  if (fork() == 0) {
    close(su[1]);
    close(uw[0]);
    dup2(su[0], 0);
    dup2(uw[1], 1);
    execl("/usr/bin/uniq", "/usr/bin/uniq", NULL);
    exit(0);
  }
  if (fork() == 0) {
    close(su[0]);
    close(su[1]);
    close(uw[1]);
    dup2(uw[0], 0);
    execl("/usr/bin/wc", "/usr/bin/wc", "-l", NULL);
    exit(0);
  }
  close(su[0]);
  close(su[1]);
  close(uw[0]);
  close(uw[1]);
  wait(0);
  wait(0);
  wait(0);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdi
  call   <pipe@plt>
  lea    0x10(%rsp),%rdi
  call   <pipe@plt>
  xor    %eax,%eax
  call   <fork@plt>
  test   %rax,%rax
  je     L30
L24:
  xor    %eax,%eax
  call   <fork@plt>
  test   %rax,%rax
  je     L69
L55:
  xor    %eax,%eax
  call   <fork@plt>
  test   %rax,%rax
  je     L51
L67:
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    0x10(%rsp),%edi
  call   <close@plt>
  mov    0x14(%rsp),%edi
  call   <close@plt>
  xor    %edi,%edi
  call   <wait@plt>
  xor    %edi,%edi
  call   <wait@plt>
  xor    %edi,%edi
  call   <wait@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L30:
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    0x10(%rsp),%edi
  call   <close@plt>
  mov    0x14(%rsp),%edi
  call   <close@plt>
  mov    0xc(%rsp),%edi
  mov    $0x1,%esi
  call   <dup2@plt>
  lea    D9(%rip),%rdi
  xor    %ecx,%ecx
  xor    %eax,%eax
  mov    %rdi,%rsi
  lea    D28(%rip),%rdx
  call   <execl@plt>
  xor    %edi,%edi
  call   <exit@plt>
  jmp    L24
L51:
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    0x14(%rsp),%edi
  call   <close@plt>
  mov    0x10(%rsp),%edi
  xor    %esi,%esi
  call   <dup2@plt>
  lea    D42(%rip),%rdi
  xor    %ecx,%ecx
  xor    %eax,%eax
  mov    %rdi,%rsi
  lea    D46(%rip),%rdx
  call   <execl@plt>
  xor    %edi,%edi
  call   <exit@plt>
  jmp    L67
L69:
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    0x10(%rsp),%edi
  call   <close@plt>
  mov    0x8(%rsp),%edi
  xor    %esi,%esi
  call   <dup2@plt>
  mov    0x14(%rsp),%edi
  mov    $0x1,%esi
  call   <dup2@plt>
  lea    D39(%rip),%rdi
  xor    %edx,%edx
  xor    %eax,%eax
  mov    %rdi,%rsi
  call   <execl@plt>
  xor    %edi,%edi
  call   <exit@plt>
  jmp    L55
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D9
datatype: string
name: read_data
arguments: data_label: D28
datatype: string
name: read_data
arguments: data_label: D42
datatype: string
name: read_data
arguments: data_label: D46
datatype: string
name: read_data
arguments: data_label: D39
datatype: string

tool: D9: /usr/bin/sort

tool: D28: a.txt

tool: D42: /usr/bin/wc

tool: D46: -l

tool: D39: /usr/bin/uniq

assistant: ```c
int main() {
  int su[2], uw[2];
  pipe(su);
  pipe(uw);
  if (fork() == 0) {
    close(su[0]);
    close(uw[0]);
    close(uw[1]);
    dup2(su[1], 1);
    execl("/usr/bin/sort", "/usr/bin/sort", "a.txt", NULL);
    exit(0);
  }
  if (fork() == 0) {
    close(su[1]);
    close(uw[0]);
    dup2(su[0], 0);
    dup2(uw[1], 1);
    execl("/usr/bin/uniq", "/usr/bin/uniq", NULL);
    exit(0);
  }
  if (fork() == 0) {
    close(su[0]);
    close(su[1]);
    close(uw[1]);
    dup2(uw[0], 0);
    execl("/usr/bin/wc", "/usr/bin/wc", "-l", NULL);
    exit(0);
  }
  close(su[0]);
  close(su[1]);
  close(uw[0]);
  close(uw[1]);
  wait(0);
  wait(0);
  wait(0);
  return 0;
}
```