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   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D26(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x1,-0x14(%rbp)
  jmp    L10
L26:
  mov    -0x14(%rbp),%eax
  imul   %eax,%eax
  add    %eax,-0x10(%rbp)
  mov    -0x14(%rbp),%eax
  add    %eax,-0xc(%rbp)
  addl   $0x1,-0x14(%rbp)
L10:
  mov    -0x18(%rbp),%eax
  cmp    %eax,-0x14(%rbp)
  jle    L26
  mov    -0xc(%rbp),%eax
  imul   %eax,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x18(%rbp),%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x10(%rbp),%eax
  sub    -0xc(%rbp),%eax
  mov    %eax,%edx
  neg    %edx
  cmovns %edx,%eax
  mov    %eax,%esi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L28
  call   <__stack_chk_fail@plt>
L28:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D26
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D5
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D15
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D0
type_guessed: string

tool: D26: Please insert the upper bound:

tool: D5: %d

tool: D15: The difference between the sum of the squares of the first %d natural numbers and the square of the sum is:


tool: D0: %d


assistant: ```c
int main() {
  int meja;
  printf("Please insert the upper bound:\n");
  scanf("%d", &meja);
  int i;
  int sumOfSquares = 0;
  int squareOfSum = 0;
  for (i = 1; i <= meja; i++) {
    sumOfSquares += i * i;
    squareOfSum += i;
  }
  squareOfSum *= squareOfSum;
  printf("The difference between the sum of the squares of the first %d natural numbers and the square of the sum is:\n", meja);
  printf("%d\n", abs(sumOfSquares - squareOfSum));
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D16(%rip),%rdi
  call   <puts@plt>
  lea    0x4(%rsp),%rsi
  lea    D31(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  test   %esi,%esi
  jle    L21
  lea    0x1(%rsi),%ecx
  mov    $0x0,%ebp
  mov    $0x0,%ebx
  mov    $0x1,%eax
L15:
  mov    %eax,%edx
  imul   %eax,%edx
  add    %edx,%ebx
  add    %eax,%ebp
  add    $0x1,%eax
  cmp    %eax,%ecx
  jne    L15
L0:
  lea    D0(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  imul   %ebp,%ebp
  sub    %ebp,%ebx
  mov    %ebx,%esi
  neg    %esi
  cmovs  %ebx,%esi
  lea    D1(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  mov    $0x0,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L21:
  mov    $0x0,%ebp
  mov    $0x0,%ebx
  jmp    L0
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D16
data_type: string
name: parse_data
arguments: tag: D31
data_type: string
name: parse_data
arguments: tag: D0
data_type: string
name: parse_data
arguments: tag: D1
data_type: string

tool: D16: Please insert the upper bound:

tool: D31: %d

tool: D0: The difference between the sum of the squares of the first %d natural numbers and the square of the sum is:


tool: D1: %d


assistant: ```c
int main() {
  int meja;
  printf("Please insert the upper bound:\n");
  scanf("%d", &meja);
  int i;
  int sumOfSquares = 0;
  int squareOfSum = 0;
  for (i = 1; i <= meja; i++) {
    sumOfSquares += i * i;
    squareOfSum += i;
  }
  squareOfSum *= squareOfSum;
  printf("The difference between the sum of the squares of the first %d natural numbers and the square of the sum is:\n", meja);
  printf("%d\n", abs(sumOfSquares - squareOfSum));
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %rbp
  lea    D32(%rip),%rdi
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <puts@plt>
  lea    0x4(%rsp),%rsi
  lea    D20(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  test   %esi,%esi
  jle    L27
  lea    0x1(%rsi),%ecx
  xor    %ebp,%ebp
  xor    %ebx,%ebx
  mov    $0x1,%eax
  nopl   0x0(%rax,%rax,1)
L0:
  mov    %eax,%edx
  add    %eax,%ebp
  imul   %eax,%edx
  add    $0x1,%eax
  add    %edx,%ebx
  cmp    %eax,%ecx
  jne    L0
L38:
  imul   %ebp,%ebp
  lea    D29(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D37(%rip),%rdi
  sub    %ebp,%ebx
  mov    %ebx,%esi
  neg    %esi
  cmovs  %ebx,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L27:
  xor    %ebp,%ebp
  xor    %ebx,%ebx
  jmp    L38
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D32
data_type: string
name: disassemble_data
arguments: data_tag: D20
data_type: string
name: disassemble_data
arguments: data_tag: D29
data_type: string
name: disassemble_data
arguments: data_tag: D37
data_type: string

tool: D32: Please insert the upper bound:

tool: D20: %d

tool: D29: The difference between the sum of the squares of the first %d natural numbers and the square of the sum is:


tool: D37: %d


assistant: ```c
int main() {
  int meja;
  printf("Please insert the upper bound:\n");
  scanf("%d", &meja);
  int i;
  int sumOfSquares = 0;
  int squareOfSum = 0;
  for (i = 1; i <= meja; i++) {
    sumOfSquares += i * i;
    squareOfSum += i;
  }
  squareOfSum *= squareOfSum;
  printf("The difference between the sum of the squares of the first %d natural numbers and the square of the sum is:\n", meja);
  printf("%d\n", abs(sumOfSquares - squareOfSum));
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<printMatrices>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L24
L30:
  movl   $0x0,-0x4(%rbp)
  jmp    L3
L23:
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x4,%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  cltq
  mov    (%rdx,%rax,4),%eax
  mov    %eax,%esi
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x4(%rbp)
L3:
  mov    -0x4(%rbp),%eax
  cltq
  mov    -0x20(%rbp),%rdx
  sub    $0x1,%rdx
  cmp    %rdx,%rax
  jb     L23
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x4,%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0x20(%rbp),%rdx
  sub    $0x1,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x8(%rbp)
L24:
  mov    -0x8(%rbp),%eax
  cltq
  cmp    %rax,-0x20(%rbp)
  ja     L30
  mov    $0xa,%edi
  call   <putchar@plt>
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D2
type: string
name: parse_data
arguments: data_label: D15
type: string

tool: D2: %d 

tool: D15: %d


assistant: ```c
void printMatrices(int arr[][4], size_t size) {
  for (int i = 0; i < size; i++) {
    for (int j = 0; j < size - 1; j++)
      printf("%d ", arr[i][j]);
    printf("%d\n", arr[i][size - 1]);
  }
  printf("\n");
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<printMatrices>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rsi,0x8(%rsp)
  test   %rsi,%rsi
  je     L16
  lea    -0x1(%rsi),%rbp
  mov    %rdi,%r13
  mov    $0x0,%r15d
  lea    D3(%rip),%r14
  jmp    L0
L52:
  mov    (%r12,%rbx,4),%esi
  mov    %r14,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L52
L7:
  mov    0x0(%r13,%rbp,4),%esi
  lea    D13(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%r15
  add    $0x10,%r13
  cmp    0x8(%rsp),%r15
  je     L16
L0:
  mov    %r13,%r12
  mov    $0x0,%ebx
  test   %rbp,%rbp
  jne    L52
  jmp    L7
L16:
  mov    $0xa,%edi
  call   <putchar@plt>
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: retrieve_data
arguments: label: D3
data_type: string
name: retrieve_data
arguments: label: D13
data_type: string

tool: D3: %d 

tool: D13: %d


assistant: ```c
void printMatrices(int arr[][4], size_t size) {
  for (int i = 0; i < size; i++) {
    for (int j = 0; j < size - 1; j++)
      printf("%d ", arr[i][j]);
    printf("%d\n", arr[i][size - 1]);
  }
  printf("\n");
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<printMatrices>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rsi,0x8(%rsp)
  test   %rsi,%rsi
  je     L7
  lea    -0x1(%rsi),%rbp
  mov    %rdi,%r14
  xor    %r13d,%r13d
  lea    D18(%rip),%r15
  lea    D8(%rip),%r12
  nopl   0x0(%rax)
L32:
  test   %rbp,%rbp
  je     L4
  xor    %ebx,%ebx
L26:
  mov    (%r14,%rbx,4),%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %rbp,%rbx
  jne    L26
  mov    (%r14,%rbp,4),%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  add    $0x1,%r13
  add    $0x10,%r14
  call   <printf@plt>
  cmp    0x8(%rsp),%r13
  jne    L32
L7:
  add    $0x18,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax,%rax,1)
L4:
  mov    (%r14),%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L7
```

tool_calls: name: disassemble_data
arguments: label: D18
datatype: string
name: disassemble_data
arguments: label: D8
datatype: string

tool: D18: %d


tool: D8: %d 

assistant: ```c
void printMatrices(int arr[][4], size_t size) {
  for (int i = 0; i < size; i++) {
    for (int j = 0; j < size - 1; j++)
      printf("%d ", arr[i][j]);
    printf("%d\n", arr[i][size - 1]);
  }
  printf("\n");
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<printMatrices>:
  endbr64
  test   %rsi,%rsi
  je     L34
  push   %r15
  lea    D13(%rip),%r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  lea    D16(%rip),%r12
  push   %rbp
  lea    -0x1(%rsi),%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  test   %rbp,%rbp
  je     L42
  nop
L87:
  mov    (%rbx),%esi
  xor    %eax,%eax
  mov    %r12,%rdi
  call   <printf@plt>
  cmp    $0x1,%rbp
  je     L83
  mov    0x4(%rbx),%esi
  xor    %eax,%eax
  mov    %r12,%rdi
  call   <printf@plt>
  cmp    $0x2,%rbp
  je     L83
  mov    0x8(%rbx),%esi
  xor    %eax,%eax
  mov    %r12,%rdi
  call   <printf@plt>
  cmp    $0x3,%rbp
  je     L83
  mov    0xc(%rbx),%esi
  xor    %eax,%eax
  mov    %r12,%rdi
  call   <printf@plt>
  cmp    $0x4,%rbp
  je     L83
  mov    0x10(%rbx),%esi
  xor    %eax,%eax
  mov    %r12,%rdi
  call   <printf@plt>
  cmp    $0x5,%rbp
  je     L83
  mov    $0x5,%edx
L68:
  mov    (%rbx,%rdx,4),%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  mov    %rdx,0x8(%rsp)
  call   <printf@plt>
  mov    0x8(%rsp),%rdx
  add    $0x1,%rdx
  cmp    %rbp,%rdx
  jb     L68
  nopl   0x0(%rax,%rax,1)
L83:
  mov    (%rbx,%rbp,4),%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  add    $0x1,%r13
  add    $0x10,%rbx
  call   <printf@plt>
  cmp    %r14,%r13
  je     L23
  test   %rbp,%rbp
  jne    L87
L42:
  mov    (%rbx),%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
L23:
  add    $0x18,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <putchar@plt>
L34:
  mov    $0xa,%edi
  jmp    1060 <putchar@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D13
type: string
name: unpack_data
arguments: data_label: D16
type: string

tool: D13: %d


tool: D16: %d 

assistant: ```c
void printMatrices(int arr[][4], size_t size) {
  for (int i = 0; i < size; i++) {
    for (int j = 0; j < size - 1; j++)
      printf("%d ", arr[i][j]);
    printf("%d\n", arr[i][size - 1]);
  }
  printf("\n");
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strncmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  jmp    L9
L42:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L38
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L34
  jmp    L2
L38:
  nop
L2:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  jmp    L5
L34:
  addq   $0x1,-0x8(%rbp)
  addq   $0x1,-0x10(%rbp)
L9:
  mov    -0x18(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  test   %rax,%rax
  jne    L42
  mov    $0x0,%eax
L5:
  pop    %rbp
  ret
```

assistant: ```c
int strncmp(char *d, const char *s, size_t sz) {
  while (sz--) {
    if (*d == '\0')
      goto ret;
    if (*d != *s) {
    ret:
      return *d - *s;
    }
    d++;
    s++;
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strncmp>:
  endbr64
  test   %rdx,%rdx
  je     L11
  add    %rdi,%rdx
L26:
  movzbl (%rdi),%eax
  test   %al,%al
  je     L30
  cmp    (%rsi),%al
  jne    L30
  add    $0x1,%rdi
  add    $0x1,%rsi
  cmp    %rdx,%rdi
  jne    L26
  mov    $0x0,%eax
  ret
L30:
  movsbl %al,%eax
  movsbl (%rsi),%edx
  sub    %edx,%eax
  ret
L11:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int strncmp(char *d, const char *s, size_t sz) {
  while (sz--) {
    if (*d == '\0')
      goto ret;
    if (*d != *s) {
    ret:
      return *d - *s;
    }
    d++;
    s++;
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strncmp>:
  endbr64
  test   %rdx,%rdx
  je     L16
  xor    %eax,%eax
  jmp    L40
  nopl   (%rax)
L15:
  cmp    %r8b,%cl
  jne    L43
  add    $0x1,%rax
  cmp    %rdx,%rax
  je     L16
L40:
  movzbl (%rdi,%rax,1),%ecx
  movsbl (%rsi,%rax,1),%r8d
  test   %cl,%cl
  jne    L15
  xor    %eax,%eax
  sub    %r8d,%eax
  ret
  nopl   0x0(%rax)
L16:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L43:
  movsbl %cl,%eax
  sub    %r8d,%eax
  ret
```

assistant: ```c
int strncmp(char *d, const char *s, size_t sz) {
  while (sz--) {
    if (*d == '\0')
      goto ret;
    if (*d != *s) {
    ret:
      return *d - *s;
    }
    d++;
    s++;
  }
  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
<strncmp>:
  endbr64
  test   %rdx,%rdx
  je     L23
  xor    %eax,%eax
  jmp    L22
  nopl   (%rax)
L44:
  cmp    %r8b,%cl
  jne    L11
  add    $0x1,%rax
  cmp    %rdx,%rax
  je     L23
L22:
  movzbl (%rdi,%rax,1),%ecx
  movsbl (%rsi,%rax,1),%r8d
  test   %cl,%cl
  jne    L44
  xor    %eax,%eax
  sub    %r8d,%eax
  ret
  nopl   0x0(%rax)
L23:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L11:
  movsbl %cl,%eax
  sub    %r8d,%eax
  ret
```

assistant: ```c
int strncmp(char *d, const char *s, size_t sz) {
  while (sz--) {
    if (*d == '\0')
      goto ret;
    if (*d != *s) {
    ret:
      return *d - *s;
    }
    d++;
    s++;
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<buscaSentinela>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  lea    0x28(%rax),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %eax,(%rdx)
  movl   $0x0,-0x4(%rbp)
  jmp    L31
L11:
  addl   $0x1,-0x4(%rbp)
L31:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x1c(%rbp)
  jne    L11
  cmpl   $0xa,-0x4(%rbp)
  jne    L0
  mov    $0xffffffff,%eax
  jmp    L14
L0:
  mov    -0x4(%rbp),%eax
L14:
  pop    %rbp
  ret
```

assistant: ```c
int buscaSentinela(int vetor[], int chave) {
  vetor[10] = chave;
  int aux = 0;
  while (vetor[aux] != chave)
    aux++;
  if (aux == 10)
    return -1;
  else
    return aux;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<buscaSentinela>:
  endbr64
  mov    %esi,0x28(%rdi)
  cmp    (%rdi),%esi
  je     L29
  mov    $0x1,%eax
L0:
  mov    %eax,%edx
  add    $0x1,%rax
  cmp    %esi,-0x4(%rdi,%rax,4)
  jne    L0
  cmp    $0xa,%edx
  je     L45
L4:
  mov    %edx,%eax
  ret
L29:
  mov    $0x0,%edx
  jmp    L4
L45:
  mov    $0xffffffff,%edx
  jmp    L4
```

assistant: ```c
int buscaSentinela(int vetor[], int chave) {
  vetor[10] = chave;
  int aux = 0;
  while (vetor[aux] != chave)
    aux++;
  if (aux == 10)
    return -1;
  else
    return aux;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<buscaSentinela>:
  endbr64
  mov    %esi,0x28(%rdi)
  cmp    (%rdi),%esi
  je     L18
  mov    $0x1,%eax
L0:
  mov    %eax,%r8d
  add    $0x1,%rax
  cmp    %esi,-0x4(%rdi,%rax,4)
  jne    L0
  cmp    $0xa,%r8d
  je     L26
L36:
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L18:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
L26:
  mov    $0xffffffff,%r8d
  jmp    L36
```

assistant: ```c
int buscaSentinela(int vetor[], int chave) {
  vetor[10] = chave;
  int aux = 0;
  while (vetor[aux] != chave)
    aux++;
  if (aux == 10)
    return -1;
  else
    return aux;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<buscaSentinela>:
  endbr64
  mov    %esi,0x28(%rdi)
  cmp    (%rdi),%esi
  je     L26
  mov    $0x1,%eax
L6:
  mov    %eax,%r8d
  add    $0x1,%rax
  cmp    %esi,-0x4(%rdi,%rax,4)
  jne    L6
  cmp    $0xa,%r8d
  je     L36
L16:
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L26:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
L36:
  mov    $0xffffffff,%r8d
  jmp    L16
```

assistant: ```c
int buscaSentinela(int vetor[], int chave) {
  vetor[10] = chave;
  int aux = 0;
  while (vetor[aux] != chave)
    aux++;
  if (aux == 10)
    return -1;
  else
    return aux;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ct_base64_decode>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  movq   $0x0,-0x8(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L36
  mov    -0x30(%rbp),%rax
  movq   $0x0,(%rax)
  mov    $0x0,%eax
  jmp    L4
L36:
  mov    -0x10(%rbp),%rax
  shr    $0x2,%rax
  mov    %eax,%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <OPENSSL_malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L23
  mov    D0(%rip),%rax
  mov    (%rax),%edx
  mov    D6(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <CTerr@plt>
  jmp    L78
L23:
  mov    -0x10(%rbp),%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <EVP_DecodeBlock@plt>
  mov    %eax,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jns    L15
  mov    D26(%rip),%rax
  mov    (%rax),%edx
  mov    D6(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <CTerr@plt>
  jmp    L78
L33:
  subl   $0x1,-0x14(%rbp)
L15:
  subq   $0x1,-0x10(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x3d,%al
  je     L33
  mov    -0x30(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x14(%rbp),%eax
  jmp    L4
L78:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <OPENSSL_free@plt>
  mov    $0xffffffff,%eax
L4:
  leave
  ret
```

assistant: ```c
int ct_base64_decode(const char *in, unsigned char **out) {
  size_t inlen = strlen(in);
  int outlen;
  unsigned char *outbuf = NULL;
  if (inlen == 0) {
    *out = NULL;
    return 0;
  }
  outlen = (inlen / 4) * 3;
  outbuf = OPENSSL_malloc(outlen);
  if (outbuf == NULL) {
    CTerr(CT_F_CT_BASE64_DECODE, ERR_R_MALLOC_FAILURE);
    goto err;
  }
  outlen = EVP_DecodeBlock(outbuf, (unsigned char *)in, inlen);
  if (outlen < 0) {
    CTerr(CT_F_CT_BASE64_DECODE, CT_R_BASE64_DECODE_ERROR);
    goto err;
  }
  while (in[--inlen] == '=') {
    --outlen;
  }
  *out = outbuf;
  return outlen;
err:
  OPENSSL_free(outbuf);
  return -1;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<ct_base64_decode>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r12
  call   <strlen@plt>
  test   %rax,%rax
  jne    L13
  movq   $0x0,(%r12)
  mov    $0x0,%eax
L39:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L13:
  mov    %rax,%rbx
  shr    $0x2,%rax
  lea    (%rax,%rax,2),%edi
  call   <OPENSSL_malloc@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L74
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <EVP_DecodeBlock@plt>
  test   %eax,%eax
  js     L59
  lea    -0x2(%rbp,%rbx,1),%rdx
  cmpb   $0x3d,-0x1(%rbp,%rbx,1)
  jne    L41
L66:
  sub    $0x1,%eax
  sub    $0x1,%rdx
  cmpb   $0x3d,0x1(%rdx)
  je     L66
L41:
  mov    %r13,(%r12)
  jmp    L39
L74:
  mov    D11(%rip),%rax
  mov    (%rax),%esi
  mov    D10(%rip),%rax
  mov    (%rax),%edi
  call   <CTerr@plt>
L9:
  mov    %r13,%rdi
  call   <OPENSSL_free@plt>
  mov    $0xffffffff,%eax
  jmp    L39
L59:
  mov    D7(%rip),%rax
  mov    (%rax),%esi
  mov    D10(%rip),%rax
  mov    (%rax),%edi
  call   <CTerr@plt>
  jmp    L9
```

assistant: ```c
int ct_base64_decode(const char *in, unsigned char **out) {
  size_t inlen = strlen(in);
  int outlen;
  unsigned char *outbuf = NULL;
  if (inlen == 0) {
    *out = NULL;
    return 0;
  }
  outlen = (inlen / 4) * 3;
  outbuf = OPENSSL_malloc(outlen);
  if (outbuf == NULL) {
    CTerr(CT_F_CT_BASE64_DECODE, ERR_R_MALLOC_FAILURE);
    goto err;
  }
  outlen = EVP_DecodeBlock(outbuf, (unsigned char *)in, inlen);
  if (outlen < 0) {
    CTerr(CT_F_CT_BASE64_DECODE, CT_R_BASE64_DECODE_ERROR);
    goto err;
  }
  while (in[--inlen] == '=') {
    --outlen;
  }
  *out = outbuf;
  return outlen;
err:
  OPENSSL_free(outbuf);
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ct_base64_decode>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  test   %rax,%rax
  jne    L14
  movq   $0x0,0x0(%rbp)
  xor    %eax,%eax
L52:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L14:
  mov    %rax,%rbx
  shr    $0x2,%rax
  lea    (%rax,%rax,2),%edi
  call   <OPENSSL_malloc@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L34
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %rax,%rdi
  call   <EVP_DecodeBlock@plt>
  test   %eax,%eax
  js     L61
  cmpb   $0x3d,-0x1(%r12,%rbx,1)
  lea    -0x2(%r12,%rbx,1),%rdx
  jne    L23
  xchg   %ax,%ax
L55:
  sub    $0x1,%rdx
  sub    $0x1,%eax
  cmpb   $0x3d,0x1(%rdx)
  je     L55
L23:
  mov    %r13,0x0(%rbp)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L34:
  mov    D18(%rip),%rax
  mov    (%rax),%esi
  mov    D9(%rip),%rax
  mov    (%rax),%edi
  call   <CTerr@plt>
L30:
  mov    %r13,%rdi
  call   <OPENSSL_free@plt>
  mov    $0xffffffff,%eax
  jmp    L52
L61:
  mov    D2(%rip),%rax
  mov    (%rax),%esi
  mov    D9(%rip),%rax
  mov    (%rax),%edi
  call   <CTerr@plt>
  jmp    L30
```

assistant: ```c
int ct_base64_decode(const char *in, unsigned char **out) {
  size_t inlen = strlen(in);
  int outlen;
  unsigned char *outbuf = NULL;
  if (inlen == 0) {
    *out = NULL;
    return 0;
  }
  outlen = (inlen / 4) * 3;
  outbuf = OPENSSL_malloc(outlen);
  if (outbuf == NULL) {
    CTerr(CT_F_CT_BASE64_DECODE, ERR_R_MALLOC_FAILURE);
    goto err;
  }
  outlen = EVP_DecodeBlock(outbuf, (unsigned char *)in, inlen);
  if (outlen < 0) {
    CTerr(CT_F_CT_BASE64_DECODE, CT_R_BASE64_DECODE_ERROR);
    goto err;
  }
  while (in[--inlen] == '=') {
    --outlen;
  }
  *out = outbuf;
  return outlen;
err:
  OPENSSL_free(outbuf);
  return -1;
}
```