ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1c8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1b8(%rsp)
  xor    %eax,%eax
  lea    D0(%rip),%r15
  mov    $0x0,%r13d
  jmp    L108
L23:
  cmp    $0x1,%r8d
  je     L11
  mov    %ecx,%edi
L25:
  cmp    %eax,%esi
  cmove  %ecx,%eax
  add    $0x1,%eax
L142:
  movslq %eax,%rdx
  mov    0xe0(%rsp,%rdx,4),%ebx
  test   %ebx,%ebx
  je     L25
  test   %edi,%edi
  je     L23
  movslq %ebp,%rdx
  mov    %ebx,0x10(%rsp,%rdx,4)
  movslq %eax,%rdx
  movl   $0x0,0xe0(%rsp,%rdx,4)
  sub    $0x1,%r8d
  lea    0x1(%rbp),%ebp
  mov    %r13d,%edi
  jmp    L25
L11:
  lea    D36(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  test   %ebp,%ebp
  jle    L143
  mov    %ebp,%ebp
  mov    $0x1,%r12d
  lea    D11(%rip),%r14
  jmp    L13
L72:
  add    $0x1,%r12
L13:
  mov    0xc(%rsp,%r12,4),%esi
  mov    %r14,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  cmp    %rbp,%r12
  je     L143
  test   %r12d,%r12d
  je     L72
  mov    $0x2c,%edi
  call   <putchar@plt>
  jmp    L72
L143:
  mov    %ebx,%esi
  lea    D10(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L108:
  lea    0xc(%rsp),%rsi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  test   %eax,%eax
  je     L86
  mov    0xc(%rsp),%esi
  test   %esi,%esi
  je     L86
  mov    $0x1,%eax
L34:
  mov    %eax,0xe0(%rsp,%rax,4)
  add    $0x1,%rax
  cmp    $0x33,%rax
  jne    L34
  movl   $0x1,0xe0(%rsp)
  mov    %esi,%r8d
  mov    %r13d,%ebp
  mov    $0x0,%eax
  mov    %r13d,%edi
  mov    $0x1,%ecx
  jmp    L142
L86:
  mov    0x1b8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L126
  mov    $0x0,%eax
  add    $0x1c8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L126:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D0
datatype: string
name: disassemble_data
arguments: data_label: D36
datatype: string
name: disassemble_data
arguments: data_label: D11
datatype: string
name: disassemble_data
arguments: data_label: D10
datatype: string

tool: D0: %d

tool: D36: Discarded cards:

tool: D11:  %d

tool: D10: 
Remaining card: %d


assistant: ```c
int main() {
  int n, thrn[51], card[52], cut, rn, i, indt;
  while (scanf("%d", &n) && n) {
    for (i = 1; i < 51; i++)
      card[i] = i;
    i = 0;
    cut = 0;
    card[0] = 1;
    indt = 0;
    rn = n;
    while (1) {
      if (card[i]) {
        if (cut) {
          thrn[indt++] = card[i];
          card[i] = 0;
          cut = 0;
          rn--;
        } else {
          if (rn == 1)
            break;
          cut = 1;
        }
      }
      if (i == n)
        i = 1;
      i++;
    }
    for (printf("Discarded cards:"), rn = 0; rn < indt; rn++) {
      if (rn && rn < indt)
        putchar(',');
      printf(" %d", thrn[rn]);
    }
    printf("\nRemaining card: %d\n", card[i]);
  }
  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   %r15
  push   %r14
  push   %r13
  lea    D14(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    $0x2,%ebx
  sub    $0x1c8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1b8(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%r15
  nopl   0x0(%rax)
L82:
  xor    %eax,%eax
  mov    %r15,%rsi
  lea    D12(%rip),%rdi
  call   <scanf@plt>
  test   %eax,%eax
  je     L46
  mov    0xc(%rsp),%ecx
  test   %ecx,%ecx
  je     L46
  mov    $0x1,%eax
  lea    0xe0(%rsp),%rdx
  nopw   0x0(%rax,%rax,1)
L99:
  mov    %eax,(%rdx,%rax,4)
  add    $0x1,%rax
  cmp    $0x33,%rax
  jne    L99
  mov    %ecx,%edi
  mov    $0x1,%r14d
  xor    %r12d,%r12d
  xor    %eax,%eax
  movl   $0x1,0xe0(%rsp)
  xor    %esi,%esi
  jmp    L57
  nopl   0x0(%rax)
L70:
  movslq %r12d,%rdx
  sub    $0x1,%edi
  add    $0x1,%r12d
  xor    %esi,%esi
  mov    %r14d,0x10(%rsp,%rdx,4)
  movslq %eax,%rdx
  movl   $0x0,0xe0(%rsp,%rdx,4)
L12:
  lea    0x1(%rax),%edx
  cmp    %eax,%ecx
  mov    %edx,%eax
  cmove  %ebx,%eax
  movslq %eax,%rdx
  mov    0xe0(%rsp,%rdx,4),%r14d
L57:
  test   %r14d,%r14d
  je     L12
  test   %esi,%esi
  jne    L70
  cmp    $0x1,%edi
  je     L24
  mov    $0x1,%esi
  jmp    L12
  nopl   0x0(%rax)
L24:
  xor    %eax,%eax
  lea    D9(%rip),%rdi
  call   <printf@plt>
  test   %r12d,%r12d
  je     L41
  lea    -0x1(%r12),%eax
  lea    0x10(%rsp),%rbp
  lea    0x14(%rsp,%rax,4),%r12
  jmp    L73
  nopl   0x0(%rax)
L16:
  mov    $0x2c,%edi
  call   <putchar@plt>
L73:
  mov    0x0(%rbp),%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  add    $0x4,%rbp
  call   <printf@plt>
  cmp    %rbp,%r12
  jne    L16
L41:
  mov    %r14d,%esi
  lea    D36(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L82
L46:
  mov    0x1b8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L63
  add    $0x1c8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L63:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D14
type_infered: string
name: unpack_data
arguments: label: D12
type_infered: string
name: unpack_data
arguments: label: D9
type_infered: string
name: unpack_data
arguments: label: D36
type_infered: string

tool: D14:  %d

tool: D12: %d

tool: D9: Discarded cards:

tool: D36: 
Remaining card: %d


assistant: ```c
int main() {
  int n, thrn[51], card[52], cut, rn, i, indt;
  while (scanf("%d", &n) && n) {
    for (i = 1; i < 51; i++)
      card[i] = i;
    i = 0;
    cut = 0;
    card[0] = 1;
    indt = 0;
    rn = n;
    while (1) {
      if (card[i]) {
        if (cut) {
          thrn[indt++] = card[i];
          card[i] = 0;
          cut = 0;
          rn--;
        } else {
          if (rn == 1)
            break;
          cut = 1;
        }
      }
      if (i == n)
        i = 1;
      i++;
    }
    for (printf("Discarded cards:"), rn = 0; rn < indt; rn++) {
      if (rn && rn < indt)
        putchar(',');
      printf(" %d", thrn[rn]);
    }
    printf("\nRemaining card: %d\n", card[i]);
  }
  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
<strcpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %rdi,%rax
  mov    %rsi,%rcx
  mov    %rax,%rbx
  nop
L5:
  mov    %rcx,%rsi
  lea    0x1(%rsi),%rcx
  mov    %rax,%rdx
  lea    0x1(%rdx),%rax
  movzbl (%rsi),%esi
  mov    %sil,(%rdx)
  movzbl (%rdx),%edx
  test   %dl,%dl
  jne    L5
  mov    %rbx,%rax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *strcpy(s1, s2)
register char *s1, *s2;
{
  register char *os1;
  os1 = s1;
  while (*s1++ = *s2++)
    ;
  return (os1);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<strcpy>:
  endbr64
  mov    %rdi,%rax
  mov    $0x0,%edx
L7:
  movzbl (%rsi,%rdx,1),%ecx
  mov    %cl,(%rax,%rdx,1)
  add    $0x1,%rdx
  test   %cl,%cl
  jne    L7
  ret
```

assistant: ```c
char *strcpy(s1, s2)
register char *s1, *s2;
{
  register char *os1;
  os1 = s1;
  while (*s1++ = *s2++)
    ;
  return (os1);
}
```
user: What is the c source code of the assembly code below:

```asm
<strcpy>:
  endbr64
  mov    %rdi,%rax
  xor    %edx,%edx
  nopl   0x0(%rax)
L7:
  movzbl (%rsi,%rdx,1),%ecx
  mov    %cl,(%rax,%rdx,1)
  add    $0x1,%rdx
  test   %cl,%cl
  jne    L7
  ret
```

assistant: ```c
char *strcpy(s1, s2)
register char *s1, *s2;
{
  register char *os1;
  os1 = s1;
  while (*s1++ = *s2++)
    ;
  return (os1);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<strcpy>:
  endbr64
  mov    %rdi,%rax
  xor    %edx,%edx
  nopl   0x0(%rax)
L1:
  movzbl (%rsi,%rdx,1),%ecx
  mov    %cl,(%rax,%rdx,1)
  add    $0x1,%rdx
  test   %cl,%cl
  jne    L1
  ret
```

assistant: ```c
char *strcpy(s1, s2)
register char *s1, *s2;
{
  register char *os1;
  os1 = s1;
  while (*s1++ = *s2++)
    ;
  return (os1);
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    $0x0,%eax
  call   <pi@plt>
  mov    %eax,%esi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D4
data_type: string

tool: D4: The PI is %.9Lf

assistant: ```c
int main(int argc, const char *argv[]) {
  printf("The PI is %.9Lf", pi());
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <pi@plt>
  mov    %eax,%esi
  lea    D8(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

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

tool: D8: The PI is %.9Lf

assistant: ```c
int main(int argc, const char *argv[]) {
  printf("The PI is %.9Lf", pi());
  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
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <pi@plt>
  lea    D3(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D3
type_guessed: string

tool: D3: The PI is %.9Lf

assistant: ```c
int main(int argc, const char *argv[]) {
  printf("The PI is %.9Lf", pi());
  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
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <pi@plt>
  lea    D3(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D3
type_infered: string

tool: D3: The PI is %.9Lf

assistant: ```c
int main(int argc, const char *argv[]) {
  printf("The PI is %.9Lf", pi());
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<test_entropy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <_mu_test_preprocess@plt>
  mov    $0x0,%eax
  call   <test_block_entropy@plt>
  mov    $0x0,%eax
  call   <_mu_test_postprocess@plt>
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  call   <_mu_test_preprocess@plt>
  mov    $0x0,%eax
  call   <test_kullback_leibler_divergence@plt>
  mov    $0x0,%eax
  call   <_mu_test_postprocess@plt>
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  call   <_mu_test_preprocess@plt>
  mov    $0x0,%eax
  call   <test_generation_rate@plt>
  mov    $0x0,%eax
  call   <_mu_test_postprocess@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: tag: D0
type_guessed: string
name: unpack_data
arguments: tag: D27
type_guessed: string
name: unpack_data
arguments: tag: D28
type_guessed: string

tool: D0: test_block_entropy

tool: D27: test_kullback_leibler_divergence

tool: D28: test_generation_rate

assistant: ```c
void test_entropy(void) {
  do {
    _mu_test_preprocess("test_block_entropy");
    test_block_entropy();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_kullback_leibler_divergence");
    test_kullback_leibler_divergence();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_generation_rate");
    test_generation_rate();
    _mu_test_postprocess();
  } while (0);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<test_entropy>:
  endbr64
  sub    $0x8,%rsp
  lea    D24(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  mov    $0x0,%eax
  call   <test_block_entropy@plt>
  mov    $0x0,%eax
  call   <_mu_test_postprocess@plt>
  lea    D0(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  mov    $0x0,%eax
  call   <test_kullback_leibler_divergence@plt>
  mov    $0x0,%eax
  call   <_mu_test_postprocess@plt>
  lea    D6(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  mov    $0x0,%eax
  call   <test_generation_rate@plt>
  mov    $0x0,%eax
  call   <_mu_test_postprocess@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: label: D24
data_type: string
name: parse_data
arguments: label: D0
data_type: string
name: parse_data
arguments: label: D6
data_type: string

tool: D24: test_block_entropy

tool: D0: test_kullback_leibler_divergence

tool: D6: test_generation_rate

assistant: ```c
void test_entropy(void) {
  do {
    _mu_test_preprocess("test_block_entropy");
    test_block_entropy();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_kullback_leibler_divergence");
    test_kullback_leibler_divergence();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_generation_rate");
    test_generation_rate();
    _mu_test_postprocess();
  } while (0);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<test_entropy>:
  endbr64
  sub    $0x8,%rsp
  lea    D6(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  xor    %eax,%eax
  call   <test_block_entropy@plt>
  xor    %eax,%eax
  call   <_mu_test_postprocess@plt>
  lea    D23(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  xor    %eax,%eax
  call   <test_kullback_leibler_divergence@plt>
  xor    %eax,%eax
  call   <_mu_test_postprocess@plt>
  lea    D19(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  xor    %eax,%eax
  call   <test_generation_rate@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    10c0 <_mu_test_postprocess@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D6
type_guessed: string
name: retrieve_data
arguments: tag: D23
type_guessed: string
name: retrieve_data
arguments: tag: D19
type_guessed: string

tool: D6: test_block_entropy

tool: D23: test_kullback_leibler_divergence

tool: D19: test_generation_rate

assistant: ```c
void test_entropy(void) {
  do {
    _mu_test_preprocess("test_block_entropy");
    test_block_entropy();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_kullback_leibler_divergence");
    test_kullback_leibler_divergence();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_generation_rate");
    test_generation_rate();
    _mu_test_postprocess();
  } while (0);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<test_entropy>:
  endbr64
  sub    $0x8,%rsp
  lea    D19(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  xor    %eax,%eax
  call   <test_block_entropy@plt>
  xor    %eax,%eax
  call   <_mu_test_postprocess@plt>
  lea    D4(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  xor    %eax,%eax
  call   <test_kullback_leibler_divergence@plt>
  xor    %eax,%eax
  call   <_mu_test_postprocess@plt>
  lea    D9(%rip),%rdi
  call   <_mu_test_preprocess@plt>
  xor    %eax,%eax
  call   <test_generation_rate@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    10c0 <_mu_test_postprocess@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D19
type: string
name: extract_symbolic_data
arguments: tag: D4
type: string
name: extract_symbolic_data
arguments: tag: D9
type: string

tool: D19: test_block_entropy

tool: D4: test_kullback_leibler_divergence

tool: D9: test_generation_rate

assistant: ```c
void test_entropy(void) {
  do {
    _mu_test_preprocess("test_block_entropy");
    test_block_entropy();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_kullback_leibler_divergence");
    test_kullback_leibler_divergence();
    _mu_test_postprocess();
  } while (0);
  do {
    _mu_test_preprocess("test_generation_rate");
    test_generation_rate();
    _mu_test_postprocess();
  } while (0);
}
```
user: Translate the below assembly code into C programming language:

```asm
<write_char>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    %ecx,%eax
  mov    %dl,-0xc(%rbp)
  mov    %al,-0x10(%rbp)
  movsbl -0xc(%rbp),%edx
  mov    -0x4(%rbp),%ecx
  mov    %ecx,%eax
  shl    $0x2,%eax
  add    %ecx,%eax
  shl    $0x4,%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%eax
  add    %ecx,%eax
  add    %eax,%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <write_to_vga@plt>
  movsbl -0x10(%rbp),%edx
  mov    -0x4(%rbp),%ecx
  mov    %ecx,%eax
  shl    $0x2,%eax
  add    %ecx,%eax
  shl    $0x4,%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%eax
  add    %ecx,%eax
  add    %eax,%eax
  add    $0x1,%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <write_to_vga@plt>
  nop
  leave
  ret
```

assistant: ```c
void write_char(int row, int col, char chr, char attr) {
  write_to_vga(row * 160 + col * 2 + 0, chr);
  write_to_vga(row * 160 + col * 2 + 1, attr);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<write_char>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %ecx,%ebp
  lea    (%rdi,%rdi,4),%ebx
  shl    $0x4,%ebx
  add    %esi,%ebx
  add    %ebx,%ebx
  movsbl %dl,%esi
  mov    %ebx,%edi
  call   <write_to_vga@plt>
  movsbl %bpl,%esi
  lea    0x1(%rbx),%edi
  call   <write_to_vga@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void write_char(int row, int col, char chr, char attr) {
  write_to_vga(row * 160 + col * 2 + 0, chr);
  write_to_vga(row * 160 + col * 2 + 1, attr);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<write_char>:
  endbr64
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  lea    (%rdi,%rdi,4),%ebx
  shl    $0x4,%ebx
  add    %esi,%ebx
  movsbl %dl,%esi
  add    %ebx,%ebx
  sub    $0x8,%rsp
  mov    %ebx,%edi
  call   <write_to_vga@plt>
  add    $0x8,%rsp
  movsbl %bpl,%esi
  lea    0x1(%rbx),%edi
  pop    %rbx
  pop    %rbp
  jmp    1050 <write_to_vga@plt>
```

assistant: ```c
void write_char(int row, int col, char chr, char attr) {
  write_to_vga(row * 160 + col * 2 + 0, chr);
  write_to_vga(row * 160 + col * 2 + 1, attr);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<write_char>:
  endbr64
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  lea    (%rdi,%rdi,4),%ebx
  shl    $0x4,%ebx
  add    %esi,%ebx
  movsbl %dl,%esi
  add    %ebx,%ebx
  sub    $0x8,%rsp
  mov    %ebx,%edi
  call   <write_to_vga@plt>
  add    $0x8,%rsp
  movsbl %bpl,%esi
  lea    0x1(%rbx),%edi
  pop    %rbx
  pop    %rbp
  jmp    1050 <write_to_vga@plt>
```

assistant: ```c
void write_char(int row, int col, char chr, char attr) {
  write_to_vga(row * 160 + col * 2 + 0, chr);
  write_to_vga(row * 160 + col * 2 + 1, attr);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<divisor_sum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  movl   $0x1,-0xc(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x8(%rbp)
  movl   $0x2,-0x4(%rbp)
  jmp    L16
L37:
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x4(%rbp)
  mov    %edx,%eax
  test   %eax,%eax
  jne    L29
  mov    -0x4(%rbp),%eax
  add    %eax,-0xc(%rbp)
  mov    -0x4(%rbp),%eax
  imul   %eax,%eax
  cmp    %eax,-0x14(%rbp)
  je     L9
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x4(%rbp)
  add    %eax,-0xc(%rbp)
L9:
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x4(%rbp)
  mov    %eax,-0x8(%rbp)
L29:
  addl   $0x1,-0x4(%rbp)
L16:
  mov    -0x4(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jl     L37
  mov    -0xc(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int divisor_sum(int n) {
  int sum = 1;
  int limit = n / 2;
  for (int i = 2; i < limit; ++i) {
    if (n % i == 0) {
      sum += i;
      if (i * i != n) {
        sum += n / i;
      }
      limit = n / i;
    }
  }
  return sum;
}
```
user: What is the c source code of the assembly code below:

```asm
<divisor_sum>:
  endbr64
  mov    %edi,%esi
  shr    $0x1f,%esi
  add    %edi,%esi
  sar    %esi
  cmp    $0x5,%edi
  jle    L55
  mov    $0x2,%ecx
  mov    $0x1,%r8d
  jmp    L6
L35:
  mov    %edi,%eax
  cltd
  idiv   %ecx
  mov    %eax,%esi
L28:
  add    $0x1,%ecx
  cmp    %ecx,%esi
  jle    L24
L6:
  mov    %edi,%eax
  cltd
  idiv   %ecx
  test   %edx,%edx
  jne    L28
  add    %ecx,%r8d
  mov    %ecx,%eax
  imul   %ecx,%eax
  cmp    %edi,%eax
  je     L35
  mov    %edi,%eax
  cltd
  idiv   %ecx
  add    %eax,%r8d
  jmp    L35
L55:
  mov    $0x1,%r8d
L24:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int divisor_sum(int n) {
  int sum = 1;
  int limit = n / 2;
  for (int i = 2; i < limit; ++i) {
    if (n % i == 0) {
      sum += i;
      if (i * i != n) {
        sum += n / i;
      }
      limit = n / i;
    }
  }
  return sum;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<divisor_sum>:
  endbr64
  mov    %edi,%esi
  shr    $0x1f,%esi
  add    %edi,%esi
  sar    %esi
  cmp    $0x5,%edi
  jle    L1
  mov    $0x2,%ecx
  mov    $0x1,%r8d
  nopl   (%rax)
L20:
  mov    %edi,%eax
  cltd
  idiv   %ecx
  test   %edx,%edx
  jne    L3
  mov    %ecx,%edx
  add    %ecx,%r8d
  mov    %eax,%esi
  imul   %ecx,%edx
  lea    (%r8,%rax,1),%eax
  cmp    %edi,%edx
  cmovne %eax,%r8d
L3:
  add    $0x1,%ecx
  cmp    %ecx,%esi
  jg     L20
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  mov    $0x1,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int divisor_sum(int n) {
  int sum = 1;
  int limit = n / 2;
  for (int i = 2; i < limit; ++i) {
    if (n % i == 0) {
      sum += i;
      if (i * i != n) {
        sum += n / i;
      }
      limit = n / i;
    }
  }
  return sum;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<divisor_sum>:
  endbr64
  mov    %edi,%esi
  shr    $0x1f,%esi
  add    %edi,%esi
  sar    %esi
  cmp    $0x5,%edi
  jle    L17
  mov    $0x2,%ecx
  mov    $0x1,%r8d
  nopl   (%rax)
L7:
  mov    %edi,%eax
  cltd
  idiv   %ecx
  test   %edx,%edx
  jne    L29
  mov    %ecx,%edx
  add    %ecx,%r8d
  mov    %eax,%esi
  imul   %ecx,%edx
  lea    (%r8,%rax,1),%eax
  cmp    %edi,%edx
  cmovne %eax,%r8d
L29:
  add    $0x1,%ecx
  cmp    %ecx,%esi
  jg     L7
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L17:
  mov    $0x1,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int divisor_sum(int n) {
  int sum = 1;
  int limit = n / 2;
  for (int i = 2; i < limit; ++i) {
    if (n % i == 0) {
      sum += i;
      if (i * i != n) {
        sum += n / i;
      }
      limit = n / i;
    }
  }
  return sum;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<is_dir>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  jns    L23
  mov    $0x0,%eax
  jmp    L13
L23:
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <S_ISDIR@plt>
L13:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L18
  call   <__stack_chk_fail@plt>
L18:
  leave
  ret
```

assistant: ```c
int is_dir(char *file) {
  struct stat sbuf;
  if (stat(file, &sbuf) < 0)
    return 0;
  return S_ISDIR(sbuf.st_mode);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<is_dir>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  js     L16
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
L16:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x18,%rsp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_dir(char *file) {
  struct stat sbuf;
  if (stat(file, &sbuf) < 0)
    return 0;
  return S_ISDIR(sbuf.st_mode);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<is_dir>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  js     L2
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
L2:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L17
  add    $0x18,%rsp
  ret
L17:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_dir(char *file) {
  struct stat sbuf;
  if (stat(file, &sbuf) < 0)
    return 0;
  return S_ISDIR(sbuf.st_mode);
}
```
user: Translate the below assembly code into C programming language:

```asm
<is_dir>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  js     L11
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
L11:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x18,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_dir(char *file) {
  struct stat sbuf;
  if (stat(file, &sbuf) < 0)
    return 0;
  return S_ISDIR(sbuf.st_mode);
}
```