ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<_start>:
  endbr64
  push   %r12
  mov    $0x6,%edx
  mov    $0x1,%esi
  mov    $0x2,%edi
  push   %rbp
  push   %rbx
  sub    $0x420,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x418(%rsp)
  movabs $0x100007f11110002,%rax
  mov    %rax,0x8(%rsp)
  call   <_socket@plt>
  test   %eax,%eax
  js     L13
  lea    0x8(%rsp),%rsi
  mov    $0x10,%edx
  mov    %eax,%edi
  mov    %eax,%r12d
  call   <_connect@plt>
  test   %rax,%rax
  js     L49
  lea    0x10(%rsp),%rbp
  jmp    L79
  nopl   0x0(%rax,%rax,1)
L62:
  mov    %eax,%edx
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <_write@plt>
  cmp    $0x3ff,%ebx
  jle    L1
L79:
  mov    $0x400,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <_read@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  jg     L62
L1:
  mov    %r12d,%edi
  call   <_close@plt>
  xor    %edi,%edi
  call   <_exit@plt>
  xor    %eax,%eax
L50:
  mov    0x418(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L70
  add    $0x420,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L13:
  mov    $0xfffffffe,%eax
  jmp    L50
L49:
  mov    $0xfffffffd,%eax
  jmp    L50
L70:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _start(int argc, char **argv) {
  int s, l;
  unsigned long addr = 0x0100007f11110002;
  unsigned char buf[1024];
  if ((s = _socket(2, 1, 6)) < 0)
    return -2;
  if (_connect(s, &addr, 16) < 0) {
    return -3;
  }
  while (1) {
    if ((l = _read(s, buf, 1024)) <= 0)
      break;
    _write(1, buf, l);
    if (l < 1024)
      break;
  }
  _close(s);
  _exit(0);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<_start>:
  endbr64
  push   %r12
  mov    $0x6,%edx
  mov    $0x1,%esi
  mov    $0x2,%edi
  push   %rbp
  push   %rbx
  sub    $0x420,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x418(%rsp)
  movabs $0x100007f11110002,%rax
  mov    %rax,0x8(%rsp)
  call   <_socket@plt>
  test   %eax,%eax
  js     L30
  lea    0x8(%rsp),%rsi
  mov    $0x10,%edx
  mov    %eax,%edi
  mov    %eax,%r12d
  call   <_connect@plt>
  test   %rax,%rax
  js     L34
  lea    0x10(%rsp),%rbp
  jmp    L5
  nopl   0x0(%rax,%rax,1)
L26:
  mov    %eax,%edx
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <_write@plt>
  cmp    $0x3ff,%ebx
  jle    L79
L5:
  mov    $0x400,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <_read@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  jg     L26
L79:
  mov    %r12d,%edi
  call   <_close@plt>
  xor    %edi,%edi
  call   <_exit@plt>
  xor    %eax,%eax
L2:
  mov    0x418(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L18
  add    $0x420,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L30:
  mov    $0xfffffffe,%eax
  jmp    L2
L34:
  mov    $0xfffffffd,%eax
  jmp    L2
L18:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _start(int argc, char **argv) {
  int s, l;
  unsigned long addr = 0x0100007f11110002;
  unsigned char buf[1024];
  if ((s = _socket(2, 1, 6)) < 0)
    return -2;
  if (_connect(s, &addr, 16) < 0) {
    return -3;
  }
  while (1) {
    if ((l = _read(s, buf, 1024)) <= 0)
      break;
    _write(1, buf, l);
    if (l < 1024)
      break;
  }
  _close(s);
  _exit(0);
  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
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0x0,%eax
  call   <__VERIFIER_nondet_int@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x4(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <rec@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main() {
  int n = __VERIFIER_nondet_int();
  rec(n, n + 1);
  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
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <__VERIFIER_nondet_int@plt>
  mov    %eax,%edi
  lea    0x1(%rax),%esi
  call   <rec@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  int n = __VERIFIER_nondet_int();
  rec(n, n + 1);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <__VERIFIER_nondet_int@plt>
  mov    %eax,%edi
  lea    0x1(%rax),%esi
  call   <rec@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  int n = __VERIFIER_nondet_int();
  rec(n, n + 1);
  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
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <__VERIFIER_nondet_int@plt>
  mov    %eax,%edi
  lea    0x1(%rax),%esi
  call   <rec@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  int n = __VERIFIER_nondet_int();
  rec(n, n + 1);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<find_se2nw>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r14
  mov    %rsi,%r15
  mov    %edx,0x1c(%rsp)
  mov    %ecx,0x18(%rsp)
  movl   $0x0,0x10(%rsp)
  test   %edx,%edx
  jg     L198
L162:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L97:
  movslq %r13d,%rax
  lea    (%rax,%rax,4),%rax
  lea    (%r15,%rax,8),%rdx
  movslq %r12d,%rax
  movzbl (%rdx,%rax,1),%eax
  cmp    %al,(%rbx)
  je     L183
  movslq %ebp,%rbp
  cmpb   $0x0,(%r14,%rbp,1)
  jne    L60
L104:
  movzbl (%r14),%edi
  test   %dil,%dil
  je     L60
  mov    0x10(%rsp),%eax
  mov    %eax,0x14(%rsp)
  mov    0xc(%rsp),%r13d
  mov    %r14,%rbx
  mov    $0x0,%ebp
  jmp    L192
L183:
  add    $0x1,%ebp
  sub    $0x1,%r13d
  sub    $0x1,%r12d
L148:
  movslq %ebp,%rbx
  add    %r14,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L104
  mov    %r12d,%eax
  or     %r13d,%eax
  js     L60
L164:
  movsbl %dil,%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L97
  add    $0x1,%ebp
  jmp    L148
L7:
  movslq 0x14(%rsp),%rax
  lea    (%rax,%rax,4),%rax
  lea    (%r15,%rax,8),%r12
  movslq %r13d,%rax
  movzbl (%r12,%rax,1),%edi
  cmp    %dil,(%rbx)
  je     L103
L63:
  movslq %ebp,%rbx
  add    %r14,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L60
L192:
  movsbl %dil,%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L7
  add    $0x1,%ebp
  jmp    L63
L103:
  movsbl %dil,%edi
  call   <toupper@plt>
  mov    %eax,%edx
  movslq %r13d,%rax
  mov    %dl,(%r12,%rax,1)
  add    $0x1,%ebp
  subl   $0x1,0x14(%rsp)
  sub    $0x1,%r13d
  jmp    L63
L60:
  addl   $0x1,0xc(%rsp)
  mov    0xc(%rsp),%eax
  cmp    %eax,0x18(%rsp)
  je     L79
L72:
  movzbl (%r14),%edi
  test   %dil,%dil
  je     L60
  mov    0x10(%rsp),%eax
  or     0xc(%rsp),%eax
  js     L60
  mov    0x10(%rsp),%r13d
  mov    0xc(%rsp),%r12d
  mov    %r14,%rbx
  mov    $0x0,%ebp
  jmp    L164
L79:
  addl   $0x1,0x10(%rsp)
  mov    0x10(%rsp),%eax
  cmp    %eax,0x1c(%rsp)
  je     L162
L198:
  movl   $0x0,0xc(%rsp)
  cmpl   $0x0,0x18(%rsp)
  jg     L72
  jmp    L79
```

assistant: ```c
void find_se2nw(char word[], char board[40][40], int nrows, int ncols) {
  int i, j;
  for (i = 0; i < nrows; i++) {
    for (j = 0; j < ncols; j++) {
      int k = 0;
      int match = 1;
      int h = j, m = i;
      ;
      while (word[k] != '\0' && m >= 0 && h >= 0 && match) {
        if (isspace(word[k])) {
          k++;
        } else if (word[k] == board[m][h]) {
          k++;
          m--;
          h--;
        } else {
          match = 0;
        }
      }
      if (word[k] == '\0') {
        k = 0;
        h = j;
        m = i;
        while (word[k] != '\0') {
          if (isspace(word[k])) {
            k++;
          } else if (word[k] == board[m][h]) {
            board[m][h] = toupper(board[m][h]);
            k++;
            m--;
            h--;
          }
        }
      }
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<find_se2nw>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdi,%r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,(%rsp)
  mov    %edx,0x1c(%rsp)
  mov    %ecx,0x18(%rsp)
  movl   $0x0,0xc(%rsp)
  test   %edx,%edx
  jle    L85
  nopl   0x0(%rax)
L148:
  mov    0x18(%rsp),%eax
  movl   $0x0,0x8(%rsp)
  test   %eax,%eax
  jle    L66
  nopl   0x0(%rax)
L4:
  movsbl (%r14),%edi
  test   %dil,%dil
  je     L83
  mov    0xc(%rsp),%r13d
  mov    0x8(%rsp),%r12d
  mov    %r14,%rbx
  mov    $0x1,%r15d
L50:
  lea    -0x1(%r15),%ebp
  call   <isspace@plt>
  test   %rax,%rax
  jne    L153
  mov    (%rsp),%rdx
  movslq %r13d,%rax
  lea    (%rax,%rax,4),%rax
  lea    (%rdx,%rax,8),%rcx
  movslq %r12d,%rax
  movzbl (%rcx,%rax,1),%eax
  cmp    %al,(%rbx)
  je     L19
  movslq %ebp,%rbp
  cmpb   $0x0,(%r14,%rbp,1)
  jne    L83
L87:
  movsbl (%r14),%edi
  test   %dil,%dil
  je     L83
  mov    0xc(%rsp),%r12d
  mov    0x8(%rsp),%ebp
  mov    %r14,%r13
  xor    %ebx,%ebx
  jmp    L26
  nopl   0x0(%rax,%rax,1)
L101:
  add    $0x1,%ebx
L156:
  movslq %ebx,%r13
  add    %r14,%r13
  movsbl 0x0(%r13),%edi
  test   %dil,%dil
  je     L83
L26:
  call   <isspace@plt>
  test   %rax,%rax
  jne    L101
  mov    (%rsp),%rsi
  movslq %r12d,%rax
  movslq %ebp,%r15
  lea    (%rax,%rax,4),%rax
  lea    (%rsi,%rax,8),%rcx
  movsbl (%rcx,%r15,1),%edi
  cmp    %dil,0x0(%r13)
  jne    L156
  add    $0x1,%ebx
  mov    %rcx,0x10(%rsp)
  sub    $0x1,%r12d
  sub    $0x1,%ebp
  call   <toupper@plt>
  movslq %ebx,%r13
  mov    0x10(%rsp),%rcx
  add    %r14,%r13
  mov    %al,(%rcx,%r15,1)
  movsbl 0x0(%r13),%edi
  test   %dil,%dil
  jne    L26
  nopw   0x0(%rax,%rax,1)
L83:
  addl   $0x1,0x8(%rsp)
  mov    0x8(%rsp),%eax
  cmp    %eax,0x18(%rsp)
  jne    L4
L66:
  addl   $0x1,0xc(%rsp)
  mov    0xc(%rsp),%eax
  cmp    %eax,0x1c(%rsp)
  jne    L148
L85:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L19:
  sub    $0x1,%r13d
  sub    $0x1,%r12d
L153:
  movslq %r15d,%rbx
  add    %r14,%rbx
  movsbl (%rbx),%edi
  test   %dil,%dil
  je     L87
  mov    %r13d,%eax
  add    $0x1,%r15d
  or     %r12d,%eax
  jns    L50
  jmp    L83
```

assistant: ```c
void find_se2nw(char word[], char board[40][40], int nrows, int ncols) {
  int i, j;
  for (i = 0; i < nrows; i++) {
    for (j = 0; j < ncols; j++) {
      int k = 0;
      int match = 1;
      int h = j, m = i;
      ;
      while (word[k] != '\0' && m >= 0 && h >= 0 && match) {
        if (isspace(word[k])) {
          k++;
        } else if (word[k] == board[m][h]) {
          k++;
          m--;
          h--;
        } else {
          match = 0;
        }
      }
      if (word[k] == '\0') {
        k = 0;
        h = j;
        m = i;
        while (word[k] != '\0') {
          if (isspace(word[k])) {
            k++;
          } else if (word[k] == board[m][h]) {
            board[m][h] = toupper(board[m][h]);
            k++;
            m--;
            h--;
          }
        }
      }
    }
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<find_se2nw>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,(%rsp)
  mov    %edx,0x1c(%rsp)
  mov    %ecx,0x18(%rsp)
  test   %edx,%edx
  jle    L106
  movl   $0x0,0xc(%rsp)
  mov    %rdi,%r14
  test   %ecx,%ecx
  jle    L106
  nopl   0x0(%rax)
L138:
  movl   $0x0,0x8(%rsp)
  nopl   0x0(%rax,%rax,1)
L116:
  movsbl (%r14),%edi
  test   %dil,%dil
  je     L97
  mov    0xc(%rsp),%r13d
  mov    0x8(%rsp),%r12d
  mov    %r14,%rbx
  mov    $0x1,%r15d
L68:
  lea    -0x1(%r15),%ebp
  call   <isspace@plt>
  test   %rax,%rax
  jne    L112
  mov    (%rsp),%rdx
  movslq %r13d,%rax
  lea    (%rax,%rax,4),%rax
  lea    (%rdx,%rax,8),%rcx
  movslq %r12d,%rax
  movzbl (%rcx,%rax,1),%eax
  cmp    %al,(%rbx)
  je     L156
  movslq %ebp,%rbp
  cmpb   $0x0,(%r14,%rbp,1)
  jne    L141
L40:
  movsbl (%r14),%edi
  test   %dil,%dil
  je     L141
  mov    0xc(%rsp),%r12d
  mov    0x8(%rsp),%ebp
  mov    %r14,%r13
  xor    %ebx,%ebx
  jmp    L99
  nopl   0x0(%rax,%rax,1)
L121:
  add    $0x1,%ebx
L150:
  movslq %ebx,%r13
  add    %r14,%r13
  movsbl 0x0(%r13),%edi
  test   %dil,%dil
  je     L141
L99:
  call   <isspace@plt>
  test   %rax,%rax
  jne    L121
  mov    (%rsp),%rsi
  movslq %r12d,%rax
  movslq %ebp,%r15
  lea    (%rax,%rax,4),%rax
  lea    (%rsi,%rax,8),%rcx
  movsbl (%rcx,%r15,1),%edi
  cmp    %dil,0x0(%r13)
  jne    L150
  add    $0x1,%ebx
  mov    %rcx,0x10(%rsp)
  sub    $0x1,%r12d
  sub    $0x1,%ebp
  call   <toupper@plt>
  movslq %ebx,%r13
  mov    0x10(%rsp),%rcx
  add    %r14,%r13
  mov    %al,(%rcx,%r15,1)
  movsbl 0x0(%r13),%edi
  test   %dil,%dil
  jne    L99
  nopw   0x0(%rax,%rax,1)
L141:
  addl   $0x1,0x8(%rsp)
  mov    0x8(%rsp),%eax
  cmp    %eax,0x18(%rsp)
  jne    L116
L97:
  addl   $0x1,0xc(%rsp)
  mov    0xc(%rsp),%eax
  cmp    %eax,0x1c(%rsp)
  jne    L138
L106:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L156:
  sub    $0x1,%r13d
  sub    $0x1,%r12d
L112:
  movslq %r15d,%rbx
  add    %r14,%rbx
  movsbl (%rbx),%edi
  test   %dil,%dil
  je     L40
  mov    %r13d,%eax
  add    $0x1,%r15d
  or     %r12d,%eax
  jns    L68
  jmp    L141
```

assistant: ```c
void find_se2nw(char word[], char board[40][40], int nrows, int ncols) {
  int i, j;
  for (i = 0; i < nrows; i++) {
    for (j = 0; j < ncols; j++) {
      int k = 0;
      int match = 1;
      int h = j, m = i;
      ;
      while (word[k] != '\0' && m >= 0 && h >= 0 && match) {
        if (isspace(word[k])) {
          k++;
        } else if (word[k] == board[m][h]) {
          k++;
          m--;
          h--;
        } else {
          match = 0;
        }
      }
      if (word[k] == '\0') {
        k = 0;
        h = j;
        m = i;
        while (word[k] != '\0') {
          if (isspace(word[k])) {
            k++;
          } else if (word[k] == board[m][h]) {
            board[m][h] = toupper(board[m][h]);
            k++;
            m--;
            h--;
          }
        }
      }
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<copyDigits>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L5
L16:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x20(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  addl   $0x1,-0x4(%rbp)
L5:
  mov    -0x4(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L16
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void copyDigits(int *source, int *destination, int n) {
  int loop;
  for (loop = 0; loop < n; loop++)
    destination[loop] = source[loop];
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<copyDigits>:
  endbr64
  test   %edx,%edx
  jle    L0
  mov    %edx,%edx
  mov    $0x0,%eax
L15:
  mov    (%rdi,%rax,4),%ecx
  mov    %ecx,(%rsi,%rax,4)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L15
L0:
  ret
```

assistant: ```c
void copyDigits(int *source, int *destination, int n) {
  int loop;
  for (loop = 0; loop < n; loop++)
    destination[loop] = source[loop];
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<copyDigits>:
  endbr64
  test   %edx,%edx
  jle    L16
  movslq %edx,%rdx
  xor    %eax,%eax
  nopl   (%rax)
L14:
  mov    (%rdi,%rax,4),%ecx
  mov    %ecx,(%rsi,%rax,4)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L14
L16:
  ret
```

assistant: ```c
void copyDigits(int *source, int *destination, int n) {
  int loop;
  for (loop = 0; loop < n; loop++)
    destination[loop] = source[loop];
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<copyDigits>:
  endbr64
  mov    %rdi,%rcx
  test   %edx,%edx
  jle    L8
  lea    0x4(%rdi),%rdi
  mov    %rsi,%rax
  sub    %rdi,%rax
  cmp    $0x8,%rax
  jbe    L18
  lea    -0x1(%rdx),%eax
  cmp    $0x2,%eax
  jbe    L18
  mov    %edx,%edi
  xor    %eax,%eax
  shr    $0x2,%edi
  shl    $0x4,%rdi
  nopw   0x0(%rax,%rax,1)
L17:
  movdqu (%rcx,%rax,1),%xmm0
  movups %xmm0,(%rsi,%rax,1)
  add    $0x10,%rax
  cmp    %rdi,%rax
  jne    L17
  mov    %edx,%eax
  and    $0xfffffffc,%eax
  test   $0x3,%dl
  je     L8
  mov    %eax,%r8d
  mov    (%rcx,%r8,4),%r9d
  lea    0x0(,%r8,4),%rdi
  mov    %r9d,(%rsi,%r8,4)
  lea    0x1(%rax),%r8d
  cmp    %r8d,%edx
  jle    L8
  mov    0x4(%rcx,%rdi,1),%r8d
  add    $0x2,%eax
  mov    %r8d,0x4(%rsi,%rdi,1)
  cmp    %eax,%edx
  jle    L8
  mov    0x8(%rcx,%rdi,1),%eax
  mov    %eax,0x8(%rsi,%rdi,1)
  ret
  nopw   0x0(%rax,%rax,1)
L18:
  mov    %edx,%edx
  xor    %eax,%eax
  nopl   0x0(%rax)
L59:
  mov    (%rcx,%rax,4),%edi
  mov    %edi,(%rsi,%rax,4)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L59
L8:
  ret
```

assistant: ```c
void copyDigits(int *source, int *destination, int n) {
  int loop;
  for (loop = 0; loop < n; loop++)
    destination[loop] = source[loop];
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<print_oct>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %esi,-0x38(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x20(%rbp)
  movq   $0x0,-0x18(%rbp)
  movl   $0x0,-0x10(%rbp)
  lea    -0x2c(%rbp),%rdx
  lea    -0x20(%rbp),%rsi
  mov    -0x38(%rbp),%eax
  mov    %rdx,%rcx
  mov    $0x8,%edx
  mov    %eax,%edi
  call   <print_to_base@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x2c(%rbp),%edx
  mov    -0x28(%rbp),%rcx
  mov    -0x34(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <fputsn@plt>
  mov    -0x2c(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

assistant: ```c
int print_oct(int fd, int n) {
  int count;
  char buffer[20] = {0};
  char *str;
  str = print_to_base(n, buffer, 8, &count);
  fputsn(fd, str, count);
  return count;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<print_oct>:
  endbr64
  push   %rbx
  sub    $0x30,%rsp
  mov    %edi,%ebx
  mov    %esi,%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movq   $0x0,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  movl   $0x0,0x20(%rsp)
  lea    0xc(%rsp),%rcx
  lea    0x10(%rsp),%rsi
  mov    $0x8,%edx
  call   <print_to_base@plt>
  mov    %rax,%rsi
  mov    0xc(%rsp),%edx
  mov    %ebx,%edi
  call   <fputsn@plt>
  mov    0xc(%rsp),%eax
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x30,%rsp
  pop    %rbx
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int print_oct(int fd, int n) {
  int count;
  char buffer[20] = {0};
  char *str;
  str = print_to_base(n, buffer, 8, &count);
  fputsn(fd, str, count);
  return count;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<print_oct>:
  endbr64
  push   %rbp
  pxor   %xmm0,%xmm0
  mov    %edi,%ebp
  mov    $0x8,%edx
  mov    %esi,%edi
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rcx
  lea    0x10(%rsp),%rsi
  movaps %xmm0,0x10(%rsp)
  movl   $0x0,0x20(%rsp)
  call   <print_to_base@plt>
  mov    0xc(%rsp),%edx
  mov    %ebp,%edi
  mov    %rax,%rsi
  call   <fputsn@plt>
  mov    0xc(%rsp),%eax
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x30,%rsp
  pop    %rbp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int print_oct(int fd, int n) {
  int count;
  char buffer[20] = {0};
  char *str;
  str = print_to_base(n, buffer, 8, &count);
  fputsn(fd, str, count);
  return count;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<print_oct>:
  endbr64
  push   %rbp
  pxor   %xmm0,%xmm0
  mov    %edi,%ebp
  mov    $0x8,%edx
  mov    %esi,%edi
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rcx
  lea    0x10(%rsp),%rsi
  movaps %xmm0,0x10(%rsp)
  movl   $0x0,0x20(%rsp)
  call   <print_to_base@plt>
  mov    0xc(%rsp),%edx
  mov    %ebp,%edi
  mov    %rax,%rsi
  call   <fputsn@plt>
  mov    0xc(%rsp),%eax
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x30,%rsp
  pop    %rbp
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int print_oct(int fd, int n) {
  int count;
  char buffer[20] = {0};
  char *str;
  str = print_to_base(n, buffer, 8, &count);
  fputsn(fd, str, count);
  return count;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<strstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rbp)
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
char *strstr(const char *haystack, const char *needle) {
  char s = *needle;
  return (char *)haystack;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strstr>:
  endbr64
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strstr(const char *haystack, const char *needle) {
  char s = *needle;
  return (char *)haystack;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<strstr>:
  endbr64
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strstr(const char *haystack, const char *needle) {
  char s = *needle;
  return (char *)haystack;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<strstr>:
  endbr64
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strstr(const char *haystack, const char *needle) {
  char s = *needle;
  return (char *)haystack;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<ulltostr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  jmp    L18
L15:
  mov    -0x8(%rbp),%rcx
  movabs $0xcccccccccccccccd,%rdx
  mov    %rcx,%rax
  mul    %rdx
  shr    $0x3,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  add    %rax,%rax
  sub    %rax,%rcx
  mov    %rcx,%rdx
  mov    %edx,%eax
  add    $0x30,%eax
  subq   $0x1,-0x10(%rbp)
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x8(%rbp),%rax
  movabs $0xcccccccccccccccd,%rdx
  mul    %rdx
  mov    %rdx,%rax
  shr    $0x3,%rax
  mov    %rax,-0x8(%rbp)
L18:
  cmpq   $0x0,-0x8(%rbp)
  jne    L15
  mov    -0x10(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
char *ulltostr(unsigned long long value, char *endptr) {
  while (value) {
    *--endptr = '0' + (value % 10);
    value /= 10;
  }
  return endptr;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<ulltostr>:
  endbr64
  test   %rdi,%rdi
  je     L15
  movabs $0xcccccccccccccccd,%r8
L3:
  sub    $0x1,%rsi
  mov    %rdi,%rax
  mul    %r8
  shr    $0x3,%rdx
  lea    (%rdx,%rdx,4),%rcx
  add    %rcx,%rcx
  mov    %rdi,%rax
  sub    %rcx,%rax
  add    $0x30,%eax
  mov    %al,(%rsi)
  mov    %rdi,%rax
  mov    %rdx,%rdi
  cmp    $0x9,%rax
  ja     L3
L15:
  mov    %rsi,%rax
  ret
```

assistant: ```c
char *ulltostr(unsigned long long value, char *endptr) {
  while (value) {
    *--endptr = '0' + (value % 10);
    value /= 10;
  }
  return endptr;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<ulltostr>:
  endbr64
  mov    %rsi,%r8
  test   %rdi,%rdi
  je     L9
  movabs $0xcccccccccccccccd,%rsi
  cs nopw 0x0(%rax,%rax,1)
L17:
  mov    %rdi,%rax
  sub    $0x1,%r8
  mul    %rsi
  mov    %rdi,%rax
  shr    $0x3,%rdx
  lea    (%rdx,%rdx,4),%rcx
  add    %rcx,%rcx
  sub    %rcx,%rax
  add    $0x30,%eax
  mov    %al,(%r8)
  mov    %rdi,%rax
  mov    %rdx,%rdi
  cmp    $0x9,%rax
  ja     L17
L9:
  mov    %r8,%rax
  ret
```

assistant: ```c
char *ulltostr(unsigned long long value, char *endptr) {
  while (value) {
    *--endptr = '0' + (value % 10);
    value /= 10;
  }
  return endptr;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<ulltostr>:
  endbr64
  mov    %rsi,%r8
  test   %rdi,%rdi
  je     L12
  movabs $0xcccccccccccccccd,%rsi
  cs nopw 0x0(%rax,%rax,1)
L7:
  mov    %rdi,%rax
  sub    $0x1,%r8
  mul    %rsi
  mov    %rdi,%rax
  shr    $0x3,%rdx
  lea    (%rdx,%rdx,4),%rcx
  add    %rcx,%rcx
  sub    %rcx,%rax
  add    $0x30,%eax
  mov    %al,(%r8)
  mov    %rdi,%rax
  mov    %rdx,%rdi
  cmp    $0x9,%rax
  ja     L7
L12:
  mov    %r8,%rax
  ret
```

assistant: ```c
char *ulltostr(unsigned long long value, char *endptr) {
  while (value) {
    *--endptr = '0' + (value % 10);
    value /= 10;
  }
  return endptr;
}
```