ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %r13
  lea    D23(%rip),%rdi
  push   %r12
  push   %rbp
  mov    $0x64,%ebp
  push   %rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r13
  lea    0x30(%rsp),%r12
  call   <puts@plt>
  movdqa D14(%rip),%xmm0
  lea    0x8(%rsp),%rdi
  movabs $0x2e65676f682073,%rax
  xor    %esi,%esi
  mov    %rax,0x20(%rsp)
  lea    0x48(%rsp),%rbx
  movaps %xmm0,0x10(%rsp)
  call   <gettimeofday@plt>
  cs nopw 0x0(%rax,%rax,1)
L29:
  mov    $0x18,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  mov    %r12,%rax
  nopl   0x0(%rax,%rax,1)
L10:
  cmpb   $0x20,(%rax)
  jne    L1
  movb   $0x0,(%rax)
L1:
  add    $0x1,%rax
  cmp    %rbx,%rax
  jne    L10
  sub    $0x1,%ebp
  jne    L29
  xor    %esi,%esi
  lea    0xc(%rsp),%rdi
  call   <gettimeofday@plt>
  mov    0x8(%rsp),%edi
  mov    0xc(%rsp),%esi
  call   <print_time@plt>
  lea    D15(%rip),%rdi
  call   <puts@plt>
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x68,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D23
data_type: string
name: unpack_data
arguments: data_tag: D14
data_type: byte[16]
name: unpack_data
arguments: data_tag: D15
data_type: string

tool: D23: --- Start ---

tool: {"D14": [0x48,0x65,0x6c,0x6c,0x6f,0x21,0x20,0x4d,0x79,0x20,0x6e,0x61,0x6d,0x65,0x20,0x69]}

tool: D15: --- Finish ---

assistant: ```c
int main() {
  struct timeval start, finish;
  int i;
  puts("--- Start ---");
  {
    char d[] = "Hello! My name is hoge.";
    char s[] = "hoge";
    gettimeofday(&start, NULL);
    for (i = 0; i < 100; i++) {
      char a[32];
      int i;
      memcpy(a, d, sizeof(d));
      for (i = 0; i < sizeof(d); i++) {
        if (a[i] == ' ') {
          a[i] = '\0';
        }
      }
    }
  }
  gettimeofday(&finish, NULL);
  print_time(start, finish);
  puts("--- Finish ---");
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r13
  lea    D8(%rip),%rdi
  push   %r12
  push   %rbp
  mov    $0x64,%ebp
  push   %rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r13
  lea    0x30(%rsp),%r12
  call   <puts@plt>
  movdqa D11(%rip),%xmm0
  lea    0x8(%rsp),%rdi
  movabs $0x2e65676f682073,%rax
  xor    %esi,%esi
  mov    %rax,0x20(%rsp)
  lea    0x48(%rsp),%rbx
  movaps %xmm0,0x10(%rsp)
  call   <gettimeofday@plt>
  cs nopw 0x0(%rax,%rax,1)
L39:
  mov    $0x18,%edx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  mov    %r12,%rax
  nopl   0x0(%rax,%rax,1)
L35:
  cmpb   $0x20,(%rax)
  jne    L15
  movb   $0x0,(%rax)
L15:
  add    $0x1,%rax
  cmp    %rbx,%rax
  jne    L35
  sub    $0x1,%ebp
  jne    L39
  xor    %esi,%esi
  lea    0xc(%rsp),%rdi
  call   <gettimeofday@plt>
  mov    0x8(%rsp),%edi
  mov    0xc(%rsp),%esi
  call   <print_time@plt>
  lea    D21(%rip),%rdi
  call   <puts@plt>
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x68,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L9:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D8
type_infered: string
name: unpack_data
arguments: label: D11
type_infered: byte[16]
name: unpack_data
arguments: label: D21
type_infered: string

tool: D8: --- Start ---

tool: {"D11": [0x48,0x65,0x6c,0x6c,0x6f,0x21,0x20,0x4d,0x79,0x20,0x6e,0x61,0x6d,0x65,0x20,0x69]}

tool: D21: --- Finish ---

assistant: ```c
int main() {
  struct timeval start, finish;
  int i;
  puts("--- Start ---");
  {
    char d[] = "Hello! My name is hoge.";
    char s[] = "hoge";
    gettimeofday(&start, NULL);
    for (i = 0; i < 100; i++) {
      char a[32];
      int i;
      memcpy(a, d, sizeof(d));
      for (i = 0; i < sizeof(d); i++) {
        if (a[i] == ' ') {
          a[i] = '\0';
        }
      }
    }
  }
  gettimeofday(&finish, NULL);
  print_time(start, finish);
  puts("--- Finish ---");
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<dir_exists>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <opendir@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L37
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <closedir@plt>
  mov    $0x0,%eax
  jmp    L29
L37:
  mov    D14(%rip),%rax
  mov    (%rax),%rdx
  mov    D8(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  jne    L4
  mov    $0x1,%eax
  jmp    L29
L4:
  mov    $0xffffffff,%eax
L29:
  leave
  ret
```

assistant: ```c
int dir_exists(const char *path) {
  DIR *dir = opendir(path);
  if (dir) {
    closedir(dir);
    return 0;
  } else if (ENOENT == errno) {
    return 1;
  } else {
    return -1;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<dir_exists>:
  endbr64
  sub    $0x8,%rsp
  call   <opendir@plt>
  test   %rax,%rax
  jne    L19
  mov    D10(%rip),%rdx
  mov    D12(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  sete   %al
  movzbl %al,%eax
  lea    -0x1(%rax,%rax,1),%eax
L8:
  add    $0x8,%rsp
  ret
L19:
  mov    %rax,%rdi
  call   <closedir@plt>
  mov    $0x0,%eax
  jmp    L8
```

assistant: ```c
int dir_exists(const char *path) {
  DIR *dir = opendir(path);
  if (dir) {
    closedir(dir);
    return 0;
  } else if (ENOENT == errno) {
    return 1;
  } else {
    return -1;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<dir_exists>:
  endbr64
  sub    $0x8,%rsp
  call   <opendir@plt>
  test   %rax,%rax
  jne    L7
  mov    D18(%rip),%rdx
  mov    D6(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  lea    -0x1(%rax,%rax,1),%eax
  ret
  nopl   (%rax)
L7:
  mov    %rax,%rdi
  call   <closedir@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int dir_exists(const char *path) {
  DIR *dir = opendir(path);
  if (dir) {
    closedir(dir);
    return 0;
  } else if (ENOENT == errno) {
    return 1;
  } else {
    return -1;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<dir_exists>:
  endbr64
  sub    $0x8,%rsp
  call   <opendir@plt>
  test   %rax,%rax
  jne    L0
  mov    D3(%rip),%rdx
  mov    D0(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  lea    -0x1(%rax,%rax,1),%eax
  ret
  nopl   (%rax)
L0:
  mov    %rax,%rdi
  call   <closedir@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int dir_exists(const char *path) {
  DIR *dir = opendir(path);
  if (dir) {
    closedir(dir);
    return 0;
  } else if (ENOENT == errno) {
    return 1;
  } else {
    return -1;
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<_get_father>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L6
  mov    -0x4(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  jmp    L9
L6:
  mov    $0xffffffff,%eax
L9:
  pop    %rbp
  ret
```

assistant: ```c
int _get_father(int pos) {
  if (pos)
    return (pos - 1) / 2;
  return -1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<_get_father>:
  endbr64
  test   %edi,%edi
  je     L2
  sub    $0x1,%edi
  mov    %edi,%eax
  shr    $0x1f,%eax
  add    %edi,%eax
  sar    %eax
  ret
L2:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _get_father(int pos) {
  if (pos)
    return (pos - 1) / 2;
  return -1;
}
```
user: Translate the below assembly code into C programming language:

```asm
<_get_father>:
  endbr64
  test   %edi,%edi
  je     L6
  sub    $0x1,%edi
  mov    %edi,%eax
  shr    $0x1f,%eax
  add    %edi,%eax
  sar    %eax
  ret
  nopl   (%rax)
L6:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _get_father(int pos) {
  if (pos)
    return (pos - 1) / 2;
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<_get_father>:
  endbr64
  test   %edi,%edi
  je     L7
  sub    $0x1,%edi
  mov    %edi,%eax
  shr    $0x1f,%eax
  add    %edi,%eax
  sar    %eax
  ret
  nopl   (%rax)
L7:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _get_father(int pos) {
  if (pos)
    return (pos - 1) / 2;
  return -1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<_synctex_free>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L3
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L3:
  nop
  leave
  ret
```

assistant: ```c
void _synctex_free(void *ptr) {
  if (ptr) {
    free(ptr);
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<_synctex_free>:
  endbr64
  test   %rdi,%rdi
  je     L5
  sub    $0x8,%rsp
  call   <free@plt>
  add    $0x8,%rsp
  ret
L5:
  ret
```

assistant: ```c
void _synctex_free(void *ptr) {
  if (ptr) {
    free(ptr);
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<_synctex_free>:
  endbr64
  test   %rdi,%rdi
  je     L3
  jmp    1050 <free@plt>
  xchg   %ax,%ax
L3:
  ret
```

assistant: ```c
void _synctex_free(void *ptr) {
  if (ptr) {
    free(ptr);
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<_synctex_free>:
  endbr64
  test   %rdi,%rdi
  je     L0
  jmp    1050 <free@plt>
  xchg   %ax,%ax
L0:
  ret
```

assistant: ```c
void _synctex_free(void *ptr) {
  if (ptr) {
    free(ptr);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<asin>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movsd  %xmm0,-0x8(%rbp)
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D22(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  pxor   %xmm0,%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D1
datatype: string
name: unpack_data
arguments: data_tag: D14
datatype: string
name: unpack_data
arguments: data_tag: D22
datatype: string

tool: D1: # 

tool: D14: asin

tool: D22: ()


assistant: ```c
double asin(double x) {
  puts("# ");
  puts(__FUNCTION__);
  puts("()\n");
  (void)(x);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<asin>:
  endbr64
  sub    $0x8,%rsp
  lea    D7(%rip),%rdi
  call   <puts@plt>
  lea    D13(%rip),%rdi
  call   <puts@plt>
  lea    D11(%rip),%rdi
  call   <puts@plt>
  pxor   %xmm0,%xmm0
  add    $0x8,%rsp
  ret
```

tool_calls: name: retrieve_data
arguments: label: D7
type_infered: string
name: retrieve_data
arguments: label: D13
type_infered: string
name: retrieve_data
arguments: label: D11
type_infered: string

tool: D7: # 

tool: D13: asin

tool: D11: ()


assistant: ```c
double asin(double x) {
  puts("# ");
  puts(__FUNCTION__);
  puts("()\n");
  (void)(x);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<asin>:
  endbr64
  sub    $0x8,%rsp
  lea    D2(%rip),%rdi
  call   <puts@plt>
  lea    D29(%rip),%rdi
  call   <puts@plt>
  lea    D0(%rip),%rdi
  call   <puts@plt>
  pxor   %xmm0,%xmm0
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D2
data_type: string
name: disassemble_data
arguments: data_tag: D29
data_type: string
name: disassemble_data
arguments: data_tag: D0
data_type: string

tool: D2: # 

tool: D29: asin

tool: D0: ()


assistant: ```c
double asin(double x) {
  puts("# ");
  puts(__FUNCTION__);
  puts("()\n");
  (void)(x);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<asin>:
  endbr64
  sub    $0x8,%rsp
  lea    D13(%rip),%rdi
  call   <puts@plt>
  lea    D11(%rip),%rdi
  call   <puts@plt>
  lea    D12(%rip),%rdi
  call   <puts@plt>
  pxor   %xmm0,%xmm0
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: label: D13
type_guessed: string
name: parse_data
arguments: label: D11
type_guessed: string
name: parse_data
arguments: label: D12
type_guessed: string

tool: D13: # 

tool: D11: asin

tool: D12: ()


assistant: ```c
double asin(double x) {
  puts("# ");
  puts(__FUNCTION__);
  puts("()\n");
  (void)(x);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<countTwinPrimes>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x1,-0x4(%rbp)
  movl   $0x1,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x5,-0x8(%rbp)
  jmp    L28
L1:
  mov    -0x10(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x8(%rbp),%eax
  mov    %eax,%edi
  call   <isPrime@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L16
  cmpl   $0x0,-0xc(%rbp)
  je     L16
  addl   $0x1,-0x14(%rbp)
L16:
  addl   $0x1,-0x8(%rbp)
L28:
  mov    -0x8(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jle    L1
  mov    -0x14(%rbp),%eax
  leave
  ret
```

assistant: ```c
int countTwinPrimes(int limit) {
  int count = 0;
  int64_t p3 = true, p2 = true, p1 = false;
  int64_t i;
  for (i = 5; i <= limit; i++) {
    p3 = p2;
    p2 = p1;
    p1 = isPrime(i);
    if (p3 && p1) {
      count++;
    }
  }
  return count;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<countTwinPrimes>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  cmp    $0x4,%edi
  jle    L41
  mov    %edi,%r14d
  mov    $0x5,%ebx
  mov    $0x0,%eax
  mov    $0x1,%ebp
  mov    $0x0,%r13d
  jmp    L21
L43:
  add    $0x1,%ebx
  mov    %r12d,%ebp
  cmp    %ebx,%r14d
  jl     L10
L21:
  mov    %eax,%r12d
  mov    %ebx,%edi
  call   <isPrime@plt>
  test   %ebp,%ebp
  je     L43
  test   %eax,%eax
  setne  %dl
  cmp    $0x1,%dl
  sbb    $0xffffffff,%r13d
  jmp    L43
L41:
  mov    $0x0,%r13d
L10:
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int countTwinPrimes(int limit) {
  int count = 0;
  int64_t p3 = true, p2 = true, p1 = false;
  int64_t i;
  for (i = 5; i <= limit; i++) {
    p3 = p2;
    p2 = p1;
    p1 = isPrime(i);
    if (p3 && p1) {
      count++;
    }
  }
  return count;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<countTwinPrimes>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  cmp    $0x4,%edi
  jle    L10
  mov    %edi,%ebp
  mov    $0x5,%r13d
  xor    %eax,%eax
  mov    $0x1,%r14d
  xor    %r12d,%r12d
  nopl   0x0(%rax)
L18:
  mov    %r13d,%edi
  mov    %eax,%ebx
  call   <isPrime@plt>
  mov    %r12d,%edx
  cmp    $0x1,%eax
  sbb    $0xffffffff,%r12d
  test   %r14d,%r14d
  mov    %ebx,%r14d
  cmove  %edx,%r12d
  add    $0x1,%r13d
  cmp    %r13d,%ebp
  jge    L18
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L10:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int countTwinPrimes(int limit) {
  int count = 0;
  int64_t p3 = true, p2 = true, p1 = false;
  int64_t i;
  for (i = 5; i <= limit; i++) {
    p3 = p2;
    p2 = p1;
    p1 = isPrime(i);
    if (p3 && p1) {
      count++;
    }
  }
  return count;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<countTwinPrimes>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  cmp    $0x4,%edi
  jle    L16
  mov    %edi,%ebp
  mov    $0x5,%r13d
  xor    %eax,%eax
  mov    $0x1,%r14d
  xor    %r12d,%r12d
  nopl   0x0(%rax)
L12:
  mov    %r13d,%edi
  mov    %eax,%ebx
  call   <isPrime@plt>
  mov    %r12d,%edx
  cmp    $0x1,%eax
  sbb    $0xffffffff,%r12d
  test   %r14d,%r14d
  mov    %ebx,%r14d
  cmove  %edx,%r12d
  add    $0x1,%r13d
  cmp    %r13d,%ebp
  jge    L12
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L16:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int countTwinPrimes(int limit) {
  int count = 0;
  int64_t p3 = true, p2 = true, p1 = false;
  int64_t i;
  for (i = 5; i <= limit; i++) {
    p3 = p2;
    p2 = p1;
    p1 = isPrime(i);
    if (p3 && p1) {
      count++;
    }
  }
  return count;
}
```
user: What is the c source code of the assembly code below?

```asm
<runcmd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %rcx,-0x50(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <pipe@plt>
  cmp    $0xffffffff,%eax
  jne    L0
  mov    $0xffffffff,%eax
  jmp    L52
L0:
  mov    $0x0,%eax
  call   <fork@plt>
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jns    L133
  mov    $0xffffffff,%eax
  jmp    L52
L133:
  cmpq   $0x0,-0x18(%rbp)
  jne    L119
  mov    D26(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <sysconf@plt>
  mov    %eax,-0x1c(%rbp)
  mov    D5(%rip),%rax
  mov    (%rax),%edx
  mov    -0xc(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <dup2@plt>
  movl   $0x0,-0x24(%rbp)
  jmp    L68
L126:
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x24(%rbp)
  je     L117
  mov    -0x24(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
L117:
  addl   $0x1,-0x24(%rbp)
L68:
  mov    -0x24(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L126
  mov    -0x40(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <execv@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L52
L119:
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  cmpq   $0x0,-0x48(%rbp)
  je     L82
  mov    -0x50(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x10(%rbp),%eax
  mov    -0x48(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <exhaust@plt>
  jmp    L80
L82:
  mov    $0x0,%eax
L80:
  mov    %eax,-0x20(%rbp)
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  cmpl   $0x0,-0x20(%rbp)
  js     L134
  cmpq   $0x0,-0x50(%rbp)
  je     L134
  mov    -0x50(%rbp),%rax
  mov    -0x20(%rbp),%edx
  mov    %edx,(%rax)
L134:
  lea    -0x28(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    $0x0,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <waitpid@plt>
  mov    -0x28(%rbp),%eax
  mov    %eax,%edi
  call   <WEXITSTATUS@plt>
L52:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L16
  call   <__stack_chk_fail@plt>
L16:
  leave
  ret
```

assistant: ```c
int runcmd(char *path, char **argv, char *stdout, ssize_t *p_stdout_sz) {
  pid_t pid;
  int pipefd[2];
  if (pipe(pipefd) == -1)
    return -1;
  pid = fork();
  if (pid < 0)
    return -1;
  if (pid == 0) {
    int maxfds = sysconf(_SC_OPEN_MAX);
    int i;
    dup2(pipefd[1], STDOUT_FILENO);
    for (i = 0; i < maxfds; ++i)
      if (i != STDOUT_FILENO)
        close(i);
    execv(path, argv);
    exit(1);
  } else {
    ssize_t n;
    int status;
    close(pipefd[1]);
    n = stdout ? exhaust(pipefd[0], stdout, *p_stdout_sz) : 0;
    close(pipefd[0]);
    if (n >= 0 && p_stdout_sz)
      *p_stdout_sz = n;
    waitpid(pid, &status, 0);
    return WEXITSTATUS(status);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<runcmd>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%r12
  mov    %rsi,%r13
  mov    %rdx,%rbp
  mov    %rcx,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rdi
  call   <pipe@plt>
  cmp    $0xffffffff,%eax
  je     L83
  mov    $0x0,%eax
  call   <fork@plt>
  mov    %rax,%r14
  mov    $0xffffffff,%eax
  test   %r14,%r14
  js     L83
  jne    L8
  mov    D26(%rip),%rax
  mov    (%rax),%edi
  call   <sysconf@plt>
  mov    %eax,%ebp
  mov    D9(%rip),%rax
  mov    (%rax),%esi
  mov    0x14(%rsp),%edi
  call   <dup2@plt>
  test   %ebp,%ebp
  jle    L41
  mov    $0x0,%ebx
  mov    D9(%rip),%r14
  jmp    L59
L5:
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  je     L41
L59:
  cmp    %ebx,(%r14)
  je     L5
  mov    %ebx,%edi
  call   <close@plt>
  jmp    L5
L41:
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <execv@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L83:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L29
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L8:
  mov    0x14(%rsp),%edi
  call   <close@plt>
  mov    $0x0,%r12d
  test   %rbp,%rbp
  je     L52
  mov    (%rbx),%edx
  mov    %rbp,%rsi
  mov    0x10(%rsp),%edi
  call   <exhaust@plt>
  mov    %eax,%r12d
L52:
  mov    0x10(%rsp),%edi
  call   <close@plt>
  test   %r12d,%r12d
  js     L28
  test   %rbx,%rbx
  je     L28
  mov    %r12d,(%rbx)
L28:
  lea    0xc(%rsp),%rsi
  mov    $0x0,%edx
  mov    %r14,%rdi
  call   <waitpid@plt>
  mov    0xc(%rsp),%edi
  call   <WEXITSTATUS@plt>
  jmp    L83
L29:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int runcmd(char *path, char **argv, char *stdout, ssize_t *p_stdout_sz) {
  pid_t pid;
  int pipefd[2];
  if (pipe(pipefd) == -1)
    return -1;
  pid = fork();
  if (pid < 0)
    return -1;
  if (pid == 0) {
    int maxfds = sysconf(_SC_OPEN_MAX);
    int i;
    dup2(pipefd[1], STDOUT_FILENO);
    for (i = 0; i < maxfds; ++i)
      if (i != STDOUT_FILENO)
        close(i);
    execv(path, argv);
    exit(1);
  } else {
    ssize_t n;
    int status;
    close(pipefd[1]);
    n = stdout ? exhaust(pipefd[0], stdout, *p_stdout_sz) : 0;
    close(pipefd[0]);
    if (n >= 0 && p_stdout_sz)
      *p_stdout_sz = n;
    waitpid(pid, &status, 0);
    return WEXITSTATUS(status);
  }
}
```