ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<IPv4CIDR>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x1c(%rbp)
  movl   $0x0,-0x18(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  lea    -0x10(%rbp),%r8
  lea    -0x14(%rbp),%rdi
  lea    -0x18(%rbp),%rcx
  lea    -0x1c(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0xc(%rbp),%rsi
  push   %rsi
  mov    %r8,%r9
  mov    %rdi,%r8
  lea    D2(%rip),%rsi
  mov    %rax,%rdi
  call   <sscanf@plt>
  add    $0x10,%rsp
  mov    -0x1c(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L57
  movl   $0x0,-0x1c(%rbp)
L57:
  mov    -0x18(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L23
  movl   $0x0,-0x18(%rbp)
L23:
  mov    -0x14(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L68
  movl   $0x0,-0x14(%rbp)
L68:
  mov    -0x10(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L3
  movl   $0x0,-0x10(%rbp)
L3:
  mov    -0xc(%rbp),%eax
  cmp    $0x20,%eax
  jbe    L30
  movl   $0x20,-0xc(%rbp)
L30:
  mov    -0xc(%rbp),%eax
  cmp    $0x13,%eax
  ja     L52
  movl   $0x14,-0xc(%rbp)
L52:
  mov    -0xc(%rbp),%esi
  mov    -0x10(%rbp),%r8d
  mov    -0x14(%rbp),%edi
  mov    -0x18(%rbp),%ecx
  mov    -0x1c(%rbp),%edx
  mov    -0x28(%rbp),%rax
  sub    $0x8,%rsp
  push   %rsi
  mov    %r8d,%r9d
  mov    %edi,%r8d
  lea    D2(%rip),%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  add    $0x10,%rsp
  mov    -0x28(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L67
  call   <__stack_chk_fail@plt>
L67:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D2
datatype: string

tool: D2: %u.%u.%u.%u/%u

assistant: ```c
char *IPv4CIDR(char *cInput) {
  unsigned a = 0, b = 0, c = 0, d = 0, e = 0;
  sscanf(cInput, "%u.%u.%u.%u/%u", &a, &b, &c, &d, &e);
  if (a > 255)
    a = 0;
  if (b > 255)
    b = 0;
  if (c > 255)
    c = 0;
  if (d > 255)
    d = 0;
  if (e > 32)
    e = 32;
  if (e < 20)
    e = 20;
  sprintf(cInput, "%u.%u.%u.%u/%u", a, b, c, d, e);
  return (cInput);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<IPv4CIDR>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x4(%rsp)
  movl   $0x0,0x8(%rsp)
  movl   $0x0,0xc(%rsp)
  movl   $0x0,0x10(%rsp)
  movl   $0x0,0x14(%rsp)
  lea    0x8(%rsp),%rcx
  lea    0x4(%rsp),%rdx
  sub    $0x8,%rsp
  lea    0x1c(%rsp),%rax
  push   %rax
  lea    0x20(%rsp),%r9
  lea    0x1c(%rsp),%r8
  lea    D18(%rip),%rsi
  call   <sscanf@plt>
  add    $0x10,%rsp
  cmpl   $0xff,0x4(%rsp)
  jbe    L38
  movl   $0x0,0x4(%rsp)
L38:
  cmpl   $0xff,0x8(%rsp)
  jbe    L16
  movl   $0x0,0x8(%rsp)
L16:
  cmpl   $0xff,0xc(%rsp)
  jbe    L58
  movl   $0x0,0xc(%rsp)
L58:
  cmpl   $0xff,0x10(%rsp)
  jbe    L51
  movl   $0x0,0x10(%rsp)
L51:
  mov    0x14(%rsp),%eax
  cmp    $0x20,%eax
  jbe    L70
  movl   $0x20,0x14(%rsp)
L41:
  sub    $0x8,%rsp
  mov    0x1c(%rsp),%eax
  push   %rax
  mov    0x20(%rsp),%r9d
  mov    0x1c(%rsp),%r8d
  mov    0x18(%rsp),%ecx
  mov    0x14(%rsp),%edx
  lea    D18(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  add    $0x10,%rsp
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L57
  mov    %rbx,%rax
  add    $0x20,%rsp
  pop    %rbx
  ret
L70:
  cmp    $0x13,%eax
  ja     L41
  movl   $0x14,0x14(%rsp)
  jmp    L41
L57:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D18
type: string

tool: D18: %u.%u.%u.%u/%u

assistant: ```c
char *IPv4CIDR(char *cInput) {
  unsigned a = 0, b = 0, c = 0, d = 0, e = 0;
  sscanf(cInput, "%u.%u.%u.%u/%u", &a, &b, &c, &d, &e);
  if (a > 255)
    a = 0;
  if (b > 255)
    b = 0;
  if (c > 255)
    c = 0;
  if (d > 255)
    d = 0;
  if (e > 32)
    e = 32;
  if (e < 20)
    e = 20;
  sprintf(cInput, "%u.%u.%u.%u/%u", a, b, c, d, e);
  return (cInput);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<IPv4CIDR>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  lea    D2(%rip),%rbp
  mov    %rbp,%rsi
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rcx
  lea    0x4(%rsp),%rdx
  movl   $0x0,0x4(%rsp)
  movl   $0x0,0x8(%rsp)
  sub    $0x8,%rsp
  movl   $0x0,0x14(%rsp)
  movl   $0x0,0x18(%rsp)
  movl   $0x0,0x1c(%rsp)
  lea    0x1c(%rsp),%rax
  push   %rax
  lea    0x20(%rsp),%r9
  lea    0x1c(%rsp),%r8
  call   <sscanf@plt>
  mov    0x14(%rsp),%edx
  pop    %rcx
  pop    %rsi
  cmp    $0xff,%edx
  jbe    L20
  movl   $0x0,0x4(%rsp)
  xor    %edx,%edx
L20:
  mov    0x8(%rsp),%ecx
  cmp    $0xff,%ecx
  jbe    L67
  movl   $0x0,0x8(%rsp)
  xor    %ecx,%ecx
L67:
  mov    0xc(%rsp),%r8d
  cmp    $0xff,%r8d
  jbe    L56
  movl   $0x0,0xc(%rsp)
  xor    %r8d,%r8d
L56:
  mov    0x10(%rsp),%r9d
  cmp    $0xff,%r9d
  jbe    L8
  movl   $0x0,0x10(%rsp)
  xor    %r9d,%r9d
L8:
  mov    0x14(%rsp),%eax
  cmp    $0x20,%eax
  jbe    L43
  movl   $0x20,0x14(%rsp)
  mov    $0x20,%eax
L38:
  sub    $0x8,%rsp
  mov    %rbp,%rsi
  mov    %r12,%rdi
  push   %rax
  call   <sprintf@plt>
  pop    %rax
  pop    %rdx
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x28,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L43:
  cmp    $0x13,%eax
  ja     L38
  movl   $0x14,0x14(%rsp)
  mov    $0x14,%eax
  jmp    L38
L7:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D2
type: string

tool: D2: %u.%u.%u.%u/%u

assistant: ```c
char *IPv4CIDR(char *cInput) {
  unsigned a = 0, b = 0, c = 0, d = 0, e = 0;
  sscanf(cInput, "%u.%u.%u.%u/%u", &a, &b, &c, &d, &e);
  if (a > 255)
    a = 0;
  if (b > 255)
    b = 0;
  if (c > 255)
    c = 0;
  if (d > 255)
    d = 0;
  if (e > 32)
    e = 32;
  if (e < 20)
    e = 20;
  sprintf(cInput, "%u.%u.%u.%u/%u", a, b, c, d, e);
  return (cInput);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<IPv4CIDR>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  lea    D0(%rip),%rbp
  mov    %rbp,%rsi
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rcx
  lea    0x4(%rsp),%rdx
  movl   $0x0,0x4(%rsp)
  movl   $0x0,0x8(%rsp)
  sub    $0x8,%rsp
  movl   $0x0,0x14(%rsp)
  movl   $0x0,0x18(%rsp)
  movl   $0x0,0x1c(%rsp)
  lea    0x1c(%rsp),%rax
  push   %rax
  lea    0x20(%rsp),%r9
  lea    0x1c(%rsp),%r8
  call   <sscanf@plt>
  mov    0x14(%rsp),%edx
  pop    %rcx
  pop    %rsi
  cmp    $0xff,%edx
  jbe    L71
  movl   $0x0,0x4(%rsp)
  xor    %edx,%edx
L71:
  mov    0x8(%rsp),%ecx
  cmp    $0xff,%ecx
  jbe    L46
  movl   $0x0,0x8(%rsp)
  xor    %ecx,%ecx
L46:
  mov    0xc(%rsp),%r8d
  cmp    $0xff,%r8d
  jbe    L26
  movl   $0x0,0xc(%rsp)
  xor    %r8d,%r8d
L26:
  mov    0x10(%rsp),%r9d
  cmp    $0xff,%r9d
  jbe    L19
  movl   $0x0,0x10(%rsp)
  xor    %r9d,%r9d
L19:
  mov    0x14(%rsp),%eax
  cmp    $0x20,%eax
  jbe    L78
  movl   $0x20,0x14(%rsp)
  mov    $0x20,%eax
L42:
  sub    $0x8,%rsp
  mov    %rbp,%rsi
  mov    %r12,%rdi
  push   %rax
  call   <sprintf@plt>
  pop    %rax
  pop    %rdx
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L69
  add    $0x28,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L78:
  cmp    $0x13,%eax
  ja     L42
  movl   $0x14,0x14(%rsp)
  mov    $0x14,%eax
  jmp    L42
L69:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D0
datatype: string

tool: D0: %u.%u.%u.%u/%u

assistant: ```c
char *IPv4CIDR(char *cInput) {
  unsigned a = 0, b = 0, c = 0, d = 0, e = 0;
  sscanf(cInput, "%u.%u.%u.%u/%u", &a, &b, &c, &d, &e);
  if (a > 255)
    a = 0;
  if (b > 255)
    b = 0;
  if (c > 255)
    c = 0;
  if (d > 255)
    d = 0;
  if (e > 32)
    e = 32;
  if (e < 20)
    e = 20;
  sprintf(cInput, "%u.%u.%u.%u/%u", a, b, c, d, e);
  return (cInput);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    -0x9000(%rsp),%r11
L9:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L9
  sub    $0xc70,%rsp
  mov    %edi,-0x9c64(%rbp)
  mov    %rsi,-0x9c70(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x9c50(%rbp),%rax
  mov    $0x9c40,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  movl   $0x0,-0x9c58(%rbp)
  jmp    L8
L31:
  mov    -0x9c58(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x9c58(%rbp),%eax
  cltq
  mov    %edx,-0x9c50(%rbp,%rax,4)
  addl   $0x1,-0x9c58(%rbp)
L8:
  cmpl   $0x270f,-0x9c58(%rbp)
  jle    L31
  lea    -0x9c50(%rbp),%rax
  mov    $0xffffffff,%edx
  mov    $0x2710,%esi
  mov    %rax,%rdi
  call   <BinarySearch@plt>
  mov    %eax,-0x9c54(%rbp)
  mov    -0x9c54(%rbp),%eax
  mov    %eax,%esi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L35
  call   <__stack_chk_fail@plt>
L35:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D8
type: string

tool: D8: index:%d


assistant: ```c
int main(int argc, char **argv) {
  int a[10000] = {0};
  for (int i = 0; i < 10000; i++) {
    a[i] = i + 1;
  }
  int c = BinarySearch(a, 10000, -1);
  printf("index:%d\n", c);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  lea    -0x9000(%rsp),%r11
L15:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L15
  sub    $0xc58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x9c48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    $0x9c40,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  mov    $0x1,%eax
L4:
  mov    %eax,-0x4(%rsp,%rax,4)
  add    $0x1,%rax
  cmp    $0x2711,%rax
  jne    L4
  mov    %rsp,%rdi
  mov    $0xffffffff,%edx
  mov    $0x2710,%esi
  call   <BinarySearch@plt>
  mov    %eax,%esi
  lea    D7(%rip),%rdi
  call   <printf@plt>
  mov    0x9c48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  mov    $0x0,%eax
  add    $0x9c58,%rsp
  ret
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D7
type_guessed: string

tool: D7: index:%d


assistant: ```c
int main(int argc, char **argv) {
  int a[10000] = {0};
  for (int i = 0; i < 10000; i++) {
    a[i] = i + 1;
  }
  int c = BinarySearch(a, 10000, -1);
  printf("index:%d\n", c);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  lea    -0x9000(%rsp),%r11
L4:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L4
  sub    $0xc58,%rsp
  mov    $0x9c40,%edx
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x9c48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <memset@plt>
  mov    %rax,%rdi
  mov    $0x1,%eax
  xchg   %ax,%ax
L17:
  mov    %eax,-0x4(%rdi,%rax,4)
  add    $0x1,%rax
  cmp    $0x2711,%rax
  jne    L17
  mov    $0x2710,%esi
  mov    $0xffffffff,%edx
  call   <BinarySearch@plt>
  lea    D4(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  mov    0x9c48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L29
  xor    %eax,%eax
  add    $0x9c58,%rsp
  ret
L29:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D4
data_type: string

tool: D4: index:%d


assistant: ```c
int main(int argc, char **argv) {
  int a[10000] = {0};
  for (int i = 0; i < 10000; i++) {
    a[i] = i + 1;
  }
  int c = BinarySearch(a, 10000, -1);
  printf("index:%d\n", c);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  lea    -0x9000(%rsp),%r11
L12:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L12
  sub    $0xc58,%rsp
  mov    $0x9c40,%edx
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x9c48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <memset@plt>
  movdqa D0(%rip),%xmm1
  movdqa D4(%rip),%xmm3
  lea    0x9c40(%rsp),%rdx
  movdqa D16(%rip),%xmm2
  mov    %rax,%rdi
  nopl   0x0(%rax)
L24:
  movdqa %xmm1,%xmm0
  add    $0x10,%rax
  paddd  %xmm3,%xmm1
  paddd  %xmm2,%xmm0
  movaps %xmm0,-0x10(%rax)
  cmp    %rdx,%rax
  jne    L24
  mov    $0x2710,%esi
  mov    $0xffffffff,%edx
  call   <BinarySearch@plt>
  lea    D38(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  mov    0x9c48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L19
  xor    %eax,%eax
  add    $0x9c58,%rsp
  ret
L19:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D0
type: byte[16]
name: unpack_data
arguments: tag: D4
type: byte[16]
name: unpack_data
arguments: tag: D16
type: byte[16]
name: unpack_data
arguments: tag: D38
type: string

tool: {"D0": [0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x03,0x00,0x00,0x00]}

tool: {"D4": [0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

tool: {"D16": [0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

tool: D38: index:%d


assistant: ```c
int main(int argc, char **argv) {
  int a[10000] = {0};
  for (int i = 0; i < 10000; i++) {
    a[i] = i + 1;
  }
  int c = BinarySearch(a, 10000, -1);
  printf("index:%d\n", c);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<strncat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  je     L36
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L47
L20:
  addq   $0x1,-0x10(%rbp)
L47:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L20
L21:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L59
  addq   $0x1,-0x10(%rbp)
  subq   $0x1,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L21
  jmp    L23
L59:
  nop
L23:
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
L36:
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
char *strncat(char *__restrict dst, const char *__restrict src, size_t n) {
  if (n != 0) {
    char *d = dst;
    const char *s = src;
    while (*d != 0) {
      d++;
    }
    do {
      if ((*d = *s++) == 0) {
        break;
      }
      d++;
    } while (--n != 0);
    *d = 0;
  }
  return (dst);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strncat>:
  endbr64
  mov    %rdi,%rax
  test   %rdx,%rdx
  je     L4
  cmpb   $0x0,(%rdi)
  je     L19
  mov    %rdi,%rcx
L14:
  add    $0x1,%rcx
  cmpb   $0x0,(%rcx)
  jne    L14
L57:
  add    %rcx,%rdx
L10:
  add    $0x1,%rsi
  movzbl -0x1(%rsi),%r8d
  mov    %r8b,(%rcx)
  test   %r8b,%r8b
  je     L58
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L10
  mov    %rdx,%rcx
L58:
  movb   $0x0,(%rcx)
L4:
  ret
L19:
  mov    %rdi,%rcx
  jmp    L57
```

assistant: ```c
char *strncat(char *__restrict dst, const char *__restrict src, size_t n) {
  if (n != 0) {
    char *d = dst;
    const char *s = src;
    while (*d != 0) {
      d++;
    }
    do {
      if ((*d = *s++) == 0) {
        break;
      }
      d++;
    } while (--n != 0);
    *d = 0;
  }
  return (dst);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<strncat>:
  endbr64
  mov    %rdi,%rax
  test   %rdx,%rdx
  je     L11
  cmpb   $0x0,(%rdi)
  mov    %rdi,%rcx
  je     L16
  nopl   0x0(%rax)
L3:
  add    $0x1,%rcx
  cmpb   $0x0,(%rcx)
  jne    L3
L16:
  add    %rcx,%rdx
  jmp    L17
  cs nopw 0x0(%rax,%rax,1)
L39:
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  je     L37
L17:
  movzbl (%rsi),%r8d
  add    $0x1,%rsi
  mov    %r8b,(%rcx)
  test   %r8b,%r8b
  jne    L39
L37:
  movb   $0x0,(%rcx)
L11:
  ret
```

assistant: ```c
char *strncat(char *__restrict dst, const char *__restrict src, size_t n) {
  if (n != 0) {
    char *d = dst;
    const char *s = src;
    while (*d != 0) {
      d++;
    }
    do {
      if ((*d = *s++) == 0) {
        break;
      }
      d++;
    } while (--n != 0);
    *d = 0;
  }
  return (dst);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<strncat>:
  endbr64
  mov    %rdi,%rax
  test   %rdx,%rdx
  je     L5
  cmpb   $0x0,(%rdi)
  mov    %rdi,%rcx
  je     L48
  nopl   0x0(%rax)
L36:
  add    $0x1,%rcx
  cmpb   $0x0,(%rcx)
  jne    L36
L48:
  add    %rcx,%rdx
  jmp    L49
  cs nopw 0x0(%rax,%rax,1)
L12:
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  je     L51
L49:
  movzbl (%rsi),%r8d
  add    $0x1,%rsi
  mov    %r8b,(%rcx)
  test   %r8b,%r8b
  jne    L12
L51:
  movb   $0x0,(%rcx)
L5:
  ret
```

assistant: ```c
char *strncat(char *__restrict dst, const char *__restrict src, size_t n) {
  if (n != 0) {
    char *d = dst;
    const char *s = src;
    while (*d != 0) {
      d++;
    }
    do {
      if ((*d = *s++) == 0) {
        break;
      }
      d++;
    } while (--n != 0);
    *d = 0;
  }
  return (dst);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<pfdc4_save_chunk>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %rcx,-0x38(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x2c(%rbp),%edx
  lea    -0x10(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <psi_set_uint32_be@plt>
  mov    -0x30(%rbp),%edx
  lea    -0x10(%rbp),%rax
  mov    $0x4,%esi
  mov    %rax,%rdi
  call   <psi_set_uint32_be@plt>
  movq   $0x0,-0x18(%rbp)
  lea    -0x18(%rbp),%rdx
  lea    -0x10(%rbp),%rsi
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x8,%edx
  mov    %rax,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  je     L2
  mov    $0x1,%eax
  jmp    L78
L2:
  cmpl   $0x0,-0x30(%rbp)
  je     L20
  mov    -0x30(%rbp),%edx
  lea    -0x18(%rbp),%rcx
  mov    -0x38(%rbp),%rsi
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  je     L20
  mov    $0x1,%eax
  jmp    L78
L20:
  mov    -0x18(%rbp),%rdx
  lea    -0x10(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <psi_set_uint32_be@plt>
  lea    -0x10(%rbp),%rsi
  mov    -0x28(%rbp),%rax
  mov    $0x0,%ecx
  mov    $0x4,%edx
  mov    %rax,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  je     L31
  mov    $0x1,%eax
  jmp    L78
L31:
  mov    $0x0,%eax
L78:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L46
  call   <__stack_chk_fail@plt>
L46:
  leave
  ret
```

assistant: ```c
int pfdc4_save_chunk(FILE *fp, unsigned ckid, unsigned size, const void *data) {
  unsigned long crc;
  unsigned char buf[8];
  psi_set_uint32_be(buf, 0, ckid);
  psi_set_uint32_be(buf, 4, size);
  crc = 0;
  if (pfdc4_write(fp, buf, 8, &crc)) {
    return (1);
  }
  if (size > 0) {
    if (pfdc4_write(fp, data, size, &crc)) {
      return (1);
    }
  }
  psi_set_uint32_be(buf, 0, crc);
  if (pfdc4_write(fp, buf, 4, NULL)) {
    return (1);
  }
  return (0);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<pfdc4_save_chunk>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%rbp
  mov    %edx,%ebx
  mov    %rcx,%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %esi,%edx
  lea    0x10(%rsp),%r12
  mov    $0x0,%esi
  mov    %r12,%rdi
  call   <psi_set_uint32_be@plt>
  mov    %ebx,%edx
  mov    $0x4,%esi
  mov    %r12,%rdi
  call   <psi_set_uint32_be@plt>
  movq   $0x0,0x8(%rsp)
  lea    0x8(%rsp),%rcx
  mov    $0x8,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <pfdc4_write@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L30
  test   %ebx,%ebx
  je     L27
  lea    0x8(%rsp),%rcx
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <pfdc4_write@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L30
L27:
  lea    0x10(%rsp),%rbx
  mov    0x8(%rsp),%rdx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <psi_set_uint32_be@plt>
  mov    $0x0,%ecx
  mov    $0x4,%edx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
L30:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L14
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int pfdc4_save_chunk(FILE *fp, unsigned ckid, unsigned size, const void *data) {
  unsigned long crc;
  unsigned char buf[8];
  psi_set_uint32_be(buf, 0, ckid);
  psi_set_uint32_be(buf, 4, size);
  crc = 0;
  if (pfdc4_write(fp, buf, 8, &crc)) {
    return (1);
  }
  if (size > 0) {
    if (pfdc4_write(fp, data, size, &crc)) {
      return (1);
    }
  }
  psi_set_uint32_be(buf, 0, crc);
  if (pfdc4_write(fp, buf, 4, NULL)) {
    return (1);
  }
  return (0);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<pfdc4_save_chunk>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %edx,%r12d
  mov    %esi,%edx
  xor    %esi,%esi
  push   %rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rbp
  lea    0x8(%rsp),%r15
  mov    %rbp,%rdi
  call   <psi_set_uint32_be@plt>
  mov    %r12d,%edx
  mov    $0x4,%esi
  mov    %rbp,%rdi
  call   <psi_set_uint32_be@plt>
  mov    %r15,%rcx
  mov    $0x8,%edx
  mov    %rbp,%rsi
  movq   $0x0,0x8(%rsp)
  mov    %r13,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  jne    L8
  test   %r12d,%r12d
  jne    L49
L30:
  mov    0x8(%rsp),%rdx
  xor    %esi,%esi
  mov    %rbp,%rdi
  call   <psi_set_uint32_be@plt>
  xor    %ecx,%ecx
  mov    $0x4,%edx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
L42:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L12
  add    $0x20,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L49:
  mov    %r15,%rcx
  mov    %r12d,%edx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  je     L30
L8:
  mov    $0x1,%eax
  jmp    L42
L12:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int pfdc4_save_chunk(FILE *fp, unsigned ckid, unsigned size, const void *data) {
  unsigned long crc;
  unsigned char buf[8];
  psi_set_uint32_be(buf, 0, ckid);
  psi_set_uint32_be(buf, 4, size);
  crc = 0;
  if (pfdc4_write(fp, buf, 8, &crc)) {
    return (1);
  }
  if (size > 0) {
    if (pfdc4_write(fp, data, size, &crc)) {
      return (1);
    }
  }
  psi_set_uint32_be(buf, 0, crc);
  if (pfdc4_write(fp, buf, 4, NULL)) {
    return (1);
  }
  return (0);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<pfdc4_save_chunk>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %edx,%r12d
  mov    %esi,%edx
  xor    %esi,%esi
  push   %rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rbp
  lea    0x8(%rsp),%r15
  mov    %rbp,%rdi
  call   <psi_set_uint32_be@plt>
  mov    %r12d,%edx
  mov    $0x4,%esi
  mov    %rbp,%rdi
  call   <psi_set_uint32_be@plt>
  mov    %r15,%rcx
  mov    $0x8,%edx
  mov    %rbp,%rsi
  movq   $0x0,0x8(%rsp)
  mov    %r13,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  jne    L41
  test   %r12d,%r12d
  jne    L8
L2:
  mov    0x8(%rsp),%rdx
  xor    %esi,%esi
  mov    %rbp,%rdi
  call   <psi_set_uint32_be@plt>
  xor    %ecx,%ecx
  mov    $0x4,%edx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
L40:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L20
  add    $0x20,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L8:
  mov    %r15,%rcx
  mov    %r12d,%edx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <pfdc4_write@plt>
  test   %rax,%rax
  je     L2
L41:
  mov    $0x1,%eax
  jmp    L40
L20:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int pfdc4_save_chunk(FILE *fp, unsigned ckid, unsigned size, const void *data) {
  unsigned long crc;
  unsigned char buf[8];
  psi_set_uint32_be(buf, 0, ckid);
  psi_set_uint32_be(buf, 4, size);
  crc = 0;
  if (pfdc4_write(fp, buf, 8, &crc)) {
    return (1);
  }
  if (size > 0) {
    if (pfdc4_write(fp, data, size, &crc)) {
      return (1);
    }
  }
  psi_set_uint32_be(buf, 0, crc);
  if (pfdc4_write(fp, buf, 4, NULL)) {
    return (1);
  }
  return (0);
}
```