ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么：

```asm
<cutAStringIntoStringsByCutter>:
  endbr64
  mov    %rsi,%r9
  test   %ecx,%ecx
  jle    L65
  push   %rbp
  push   %rbx
  mov    %edx,%r10d
  mov    %rdi,%rax
  lea    -0x1(%rcx),%edx
  lea    0x1(%rdi,%rdx,1),%rbx
  mov    $0x0,%ebp
  mov    $0x0,%ecx
  mov    $0x0,%esi
  jmp    L69
L9:
  sub    $0x1,%esi
  mov    %ebp,%ecx
L28:
  movslq %esi,%rsi
  movslq %ecx,%rcx
  mov    (%r9,%rsi,8),%rax
  movb   $0x0,(%rax,%rcx,1)
  pop    %rbx
  pop    %rbp
  ret
L11:
  movslq %esi,%rdi
  movslq %ecx,%rdx
  mov    (%r9,%rdi,8),%rdi
  movb   $0x0,(%rdi,%rdx,1)
  add    $0x1,%esi
  mov    %ecx,%ebp
  mov    $0x0,%ecx
L41:
  add    $0x1,%rax
  cmp    %rbx,%rax
  je     L28
L69:
  movzbl (%rax),%edx
  cmp    $0xa,%dl
  je     L28
  cmp    %esi,%r8d
  je     L9
  cmp    %r10b,%dl
  je     L11
  movslq %esi,%rdi
  movslq %ecx,%r11
  mov    (%r9,%rdi,8),%rdi
  mov    %dl,(%rdi,%r11,1)
  add    $0x1,%ecx
  jmp    L41
L65:
  mov    $0x0,%ecx
  mov    $0x0,%esi
  movslq %esi,%rsi
  movslq %ecx,%rcx
  mov    (%r9,%rsi,8),%rax
  movb   $0x0,(%rax,%rcx,1)
  ret
```

assistant: ```c
void cutAStringIntoStringsByCutter(const char *origStr, char **start, const char cutter, int sizeOfOrigStr, int numberOfElements) {
  int i = 0;
  int j = 0;
  int k = 0;
  int w = 0;
  for (i = 0; i < sizeOfOrigStr; i++) {
    if (origStr[i] == '\n') {
      break;
    }
    if (j == numberOfElements) {
      j--;
      k = w;
      break;
    }
    if (origStr[i] == cutter) {
      start[j][k] = '\0';
      j++;
      w = k;
      k = 0;
    } else {
      start[j][k] = origStr[i];
      k++;
    }
  }
  start[j][k] = '\0';
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<cutAStringIntoStringsByCutter>:
  endbr64
  mov    %rsi,%r10
  test   %ecx,%ecx
  jle    L54
  lea    -0x1(%rcx),%eax
  push   %rbp
  mov    %edx,%r11d
  xor    %ebp,%ebp
  push   %rbx
  xor    %esi,%esi
  lea    0x1(%rdi,%rax,1),%rbx
  xor    %r9d,%r9d
  jmp    L36
  nopl   (%rax)
L40:
  add    $0x1,%rdi
  mov    %al,(%rdx)
  add    $0x1,%esi
  cmp    %rdi,%rbx
  je     L59
L36:
  movzbl (%rdi),%eax
  cmp    $0xa,%al
  je     L59
  cmp    %r9d,%r8d
  je     L23
  movslq %r9d,%rcx
  movslq %esi,%rdx
  add    (%r10,%rcx,8),%rdx
  cmp    %r11b,%al
  jne    L40
  xor    %eax,%eax
  add    $0x1,%rdi
  mov    %esi,%ebp
  add    $0x1,%r9d
  mov    %al,(%rdx)
  xor    %esi,%esi
  cmp    %rdi,%rbx
  jne    L36
L59:
  movslq %r9d,%r9
  movslq %esi,%rsi
  lea    (%r10,%r9,8),%r10
  mov    (%r10),%rax
  movb   $0x0,(%rax,%rsi,1)
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L23:
  sub    $0x1,%r8d
  movslq %ebp,%rsi
  movslq %r8d,%r8
  lea    (%r10,%r8,8),%r10
  mov    (%r10),%rax
  movb   $0x0,(%rax,%rsi,1)
  pop    %rbx
  pop    %rbp
  ret
L54:
  mov    (%r10),%rax
  xor    %esi,%esi
  movb   $0x0,(%rax,%rsi,1)
  ret
```

assistant: ```c
void cutAStringIntoStringsByCutter(const char *origStr, char **start, const char cutter, int sizeOfOrigStr, int numberOfElements) {
  int i = 0;
  int j = 0;
  int k = 0;
  int w = 0;
  for (i = 0; i < sizeOfOrigStr; i++) {
    if (origStr[i] == '\n') {
      break;
    }
    if (j == numberOfElements) {
      j--;
      k = w;
      break;
    }
    if (origStr[i] == cutter) {
      start[j][k] = '\0';
      j++;
      w = k;
      k = 0;
    } else {
      start[j][k] = origStr[i];
      k++;
    }
  }
  start[j][k] = '\0';
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<cutAStringIntoStringsByCutter>:
  endbr64
  mov    %rsi,%r11
  test   %ecx,%ecx
  jle    L46
  lea    -0x1(%rcx),%eax
  push   %rbp
  xor    %esi,%esi
  xor    %ebp,%ebp
  push   %rbx
  xor    %r9d,%r9d
  lea    0x1(%rdi,%rax,1),%rbx
L3:
  movzbl (%rdi),%ecx
  cmp    $0xa,%cl
  je     L67
L59:
  cmp    %r9d,%r8d
  je     L48
  movslq %r9d,%r10
  movslq %esi,%rax
  add    (%r11,%r10,8),%rax
  cmp    %dl,%cl
  je     L9
  add    $0x1,%rdi
  mov    %cl,(%rax)
  add    $0x1,%esi
  cmp    %rdi,%rbx
  jne    L3
L54:
  lea    (%r11,%r10,8),%r11
  movslq %esi,%rsi
  mov    (%r11),%rax
  movb   $0x0,(%rax,%rsi,1)
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L9:
  add    $0x1,%rdi
  movb   $0x0,(%rax)
  add    $0x1,%r9d
  cmp    %rbx,%rdi
  je     L37
  movzbl (%rdi),%ecx
  mov    %esi,%ebp
  xor    %esi,%esi
  cmp    $0xa,%cl
  jne    L59
L67:
  movslq %r9d,%r9
  movslq %esi,%rsi
  lea    (%r11,%r9,8),%r11
  mov    (%r11),%rax
  movb   $0x0,(%rax,%rsi,1)
  pop    %rbx
  pop    %rbp
  ret
L48:
  sub    $0x1,%r8d
  movslq %ebp,%rsi
  movslq %r8d,%r8
  lea    (%r11,%r8,8),%r11
  mov    (%r11),%rax
  movb   $0x0,(%rax,%rsi,1)
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L37:
  xor    %esi,%esi
  movslq %r9d,%r10
  jmp    L54
L46:
  mov    (%r11),%rax
  xor    %esi,%esi
  movb   $0x0,(%rax,%rsi,1)
  ret
```

assistant: ```c
void cutAStringIntoStringsByCutter(const char *origStr, char **start, const char cutter, int sizeOfOrigStr, int numberOfElements) {
  int i = 0;
  int j = 0;
  int k = 0;
  int w = 0;
  for (i = 0; i < sizeOfOrigStr; i++) {
    if (origStr[i] == '\n') {
      break;
    }
    if (j == numberOfElements) {
      j--;
      k = w;
      break;
    }
    if (origStr[i] == cutter) {
      start[j][k] = '\0';
      j++;
      w = k;
      k = 0;
    } else {
      start[j][k] = origStr[i];
      k++;
    }
  }
  start[j][k] = '\0';
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<copyHObject>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x30(%rbp),%rbx
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rbx,%rdx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
  cmpq   $0x0,-0x18(%rbp)
  jne    L5
  mov    $0x0,%eax
  jmp    L14
L5:
  mov    -0x30(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    $0x1,%eax
L14:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int copyHObject(char **object, long size) {
  char *origObject;
  char *newObject;
  origObject = *object;
  newObject = (char *)(memset(malloc((size) * (1)), 0, (size) * (1)));
  *object = newObject;
  if (!newObject)
    return (0);
  memcpy(newObject, origObject, size);
  return (1);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<copyHObject>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    (%rdi),%r12
  mov    %rsi,%rdi
  call   <malloc@plt>
  mov    %rax,%rdi
  mov    %rbx,%rdx
  mov    $0x0,%esi
  call   <memset@plt>
  mov    %rax,%rdi
  mov    %rax,0x0(%rbp)
  mov    %rbx,%rdx
  mov    %r12,%rsi
  call   <memcpy@plt>
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int copyHObject(char **object, long size) {
  char *origObject;
  char *newObject;
  origObject = *object;
  newObject = (char *)(memset(malloc((size) * (1)), 0, (size) * (1)));
  *object = newObject;
  if (!newObject)
    return (0);
  memcpy(newObject, origObject, size);
  return (1);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<copyHObject>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  mov    $0x1,%esi
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rbp
  mov    %r12,%rdi
  call   <calloc@plt>
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,(%rbx)
  mov    %rax,%rdi
  call   <memcpy@plt>
  pop    %rbx
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int copyHObject(char **object, long size) {
  char *origObject;
  char *newObject;
  origObject = *object;
  newObject = (char *)(memset(malloc((size) * (1)), 0, (size) * (1)));
  *object = newObject;
  if (!newObject)
    return (0);
  memcpy(newObject, origObject, size);
  return (1);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<copyHObject>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  mov    $0x1,%esi
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rbp
  mov    %r12,%rdi
  call   <calloc@plt>
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,(%rbx)
  mov    %rax,%rdi
  call   <memcpy@plt>
  pop    %rbx
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int copyHObject(char **object, long size) {
  char *origObject;
  char *newObject;
  origObject = *object;
  newObject = (char *)(memset(malloc((size) * (1)), 0, (size) * (1)));
  *object = newObject;
  if (!newObject)
    return (0);
  memcpy(newObject, origObject, size);
  return (1);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x9(%rbp),%rax
  mov    %rax,%rsi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movzbl -0x9(%rbp),%eax
  mov    %eax,%edx
  mov    $0x7a,%eax
  sub    %edx,%eax
  mov    %al,-0x9(%rbp)
  movzbl -0x9(%rbp),%eax
  add    $0x61,%eax
  mov    %al,-0x9(%rbp)
  movzbl -0x9(%rbp),%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D15
type: string

tool: D15: %c

assistant: ```c
int main() {
  char n;
  scanf("%c", &n);
  n = 'z' - n;
  n = n + 'a';
  printf("%c", n);
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  lea    D1(%rip),%rbx
  mov    %rbx,%rdi
  call   <scanf@plt>
  mov    $0xffffffdb,%esi
  sub    0x7(%rsp),%sil
  mov    %sil,0x7(%rsp)
  movsbl %sil,%esi
  mov    %rbx,%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  mov    $0x0,%eax
  add    $0x10,%rsp
  pop    %rbx
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D1
type_guessed: string

tool: D1: %c

assistant: ```c
int main() {
  char n;
  scanf("%c", &n);
  n = 'z' - n;
  n = n + 'a';
  printf("%c", n);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D4(%rip),%rbp
  mov    %rbp,%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <scanf@plt>
  mov    $0xffffffdb,%esi
  sub    0x7(%rsp),%sil
  mov    %rbp,%rdi
  mov    %sil,0x7(%rsp)
  movsbl %sil,%esi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D4
type: string

tool: D4: %c

assistant: ```c
int main() {
  char n;
  scanf("%c", &n);
  n = 'z' - n;
  n = n + 'a';
  printf("%c", n);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D3(%rip),%rbp
  mov    %rbp,%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <scanf@plt>
  mov    $0xffffffdb,%esi
  sub    0x7(%rsp),%sil
  mov    %rbp,%rdi
  mov    %sil,0x7(%rsp)
  movsbl %sil,%esi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D3
type_guessed: string

tool: D3: %c

assistant: ```c
int main() {
  char n;
  scanf("%c", &n);
  n = 'z' - n;
  n = n + 'a';
  printf("%c", n);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<fromxdigit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x2f,-0x4(%rbp)
  jle    L80
  cmpl   $0x39,-0x4(%rbp)
  jg     L80
  mov    -0x4(%rbp),%eax
  sub    $0x30,%eax
  jmp    L50
L80:
  cmpl   $0x60,-0x4(%rbp)
  jle    L25
  cmpl   $0x66,-0x4(%rbp)
  jg     L25
  mov    -0x4(%rbp),%eax
  sub    $0x57,%eax
  jmp    L50
L25:
  cmpl   $0x40,-0x4(%rbp)
  jle    L38
  cmpl   $0x46,-0x4(%rbp)
  jg     L38
  mov    -0x4(%rbp),%eax
  sub    $0x37,%eax
  jmp    L50
L38:
  mov    $0x0,%eax
L50:
  pop    %rbp
  ret
```

assistant: ```c
int fromxdigit(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<fromxdigit>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L18
  lea    -0x61(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L5
  lea    -0x41(%rdi),%eax
  sub    $0x37,%edi
  cmp    $0x6,%eax
  mov    $0x0,%eax
  cmovb  %edi,%eax
L18:
  ret
L5:
  lea    -0x57(%rdi),%eax
  ret
```

assistant: ```c
int fromxdigit(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<fromxdigit>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L2
  lea    -0x61(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L7
  lea    -0x41(%rdi),%eax
  sub    $0x37,%edi
  cmp    $0x6,%eax
  mov    $0x0,%eax
  cmovb  %edi,%eax
L2:
  ret
  cs nopw 0x0(%rax,%rax,1)
L7:
  lea    -0x57(%rdi),%eax
  ret
```

assistant: ```c
int fromxdigit(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  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
<fromxdigit>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L18
  lea    -0x61(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L19
  lea    -0x41(%rdi),%eax
  sub    $0x37,%edi
  cmp    $0x6,%eax
  mov    $0x0,%eax
  cmovb  %edi,%eax
L18:
  ret
  cs nopw 0x0(%rax,%rax,1)
L19:
  lea    -0x57(%rdi),%eax
  ret
```

assistant: ```c
int fromxdigit(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<echoline>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  jmp    L28
L14:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <putchar@plt>
  cmpl   $0xa,-0x4(%rbp)
  je     L34
L28:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fgetc@plt>
  mov    %eax,-0x4(%rbp)
  mov    D6(%rip),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x4(%rbp)
  jne    L14
  jmp    L31
L34:
  nop
L31:
  nop
  leave
  ret
```

assistant: ```c
void echoline(FILE *fp) {
  int ch;
  while ((ch = fgetc(fp)) != EOF) {
    (void)putchar(ch);
    if (ch == '\n')
      break;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<echoline>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
L12:
  mov    %rbp,%rdi
  call   <fgetc@plt>
  mov    %eax,%ebx
  mov    D3(%rip),%rax
  cmp    %ebx,(%rax)
  je     L2
  mov    %ebx,%edi
  call   <putchar@plt>
  cmp    $0xa,%ebx
  jne    L12
L2:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void echoline(FILE *fp) {
  int ch;
  while ((ch = fgetc(fp)) != EOF) {
    (void)putchar(ch);
    if (ch == '\n')
      break;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<echoline>:
  endbr64
  push   %r12
  mov    D5(%rip),%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  jmp    L3
  nopl   0x0(%rax)
L21:
  mov    %ebx,%edi
  call   <putchar@plt>
  cmp    $0xa,%ebx
  je     L13
L3:
  mov    %rbp,%rdi
  call   <fgetc@plt>
  mov    %eax,%ebx
  cmp    %eax,(%r12)
  jne    L21
L13:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void echoline(FILE *fp) {
  int ch;
  while ((ch = fgetc(fp)) != EOF) {
    (void)putchar(ch);
    if (ch == '\n')
      break;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<echoline>:
  endbr64
  push   %r12
  mov    D5(%rip),%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  jmp    L7
  nopl   0x0(%rax)
L20:
  mov    %ebx,%edi
  call   <putchar@plt>
  cmp    $0xa,%ebx
  je     L0
L7:
  mov    %rbp,%rdi
  call   <fgetc@plt>
  mov    %eax,%ebx
  cmp    %eax,(%r12)
  jne    L20
L0:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void echoline(FILE *fp) {
  int ch;
  while ((ch = fgetc(fp)) != EOF) {
    (void)putchar(ch);
    if (ch == '\n')
      break;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<divider>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  cmpq   $0x20,-0x38(%rbp)
  jle    L86
  mov    $0xffffffffffffffff,%rax
  jmp    L39
L86:
  cmpq   $0x0,-0x38(%rbp)
  je     L47
  cmpq   $0xffffffffffffffff,-0x40(%rbp)
  jge    L97
L47:
  mov    $0x0,%eax
  call   <lrand48@plt>
  mov    %rax,-0x40(%rbp)
L97:
  mov    -0x30(%rbp),%rax
  sub    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    $0x80000000,%eax
  cmp    %rax,-0x18(%rbp)
  jge    L23
  mov    -0x28(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  jmp    L39
L23:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdx
  shr    $0x3f,%rdx
  add    %rdx,%rax
  sar    %rax
  mov    %rax,-0x10(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  mov    $0x80000000,%eax
  cmp    %rax,-0x10(%rbp)
  jge    L41
  mov    -0x38(%rbp),%rax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  cltq
  and    -0x40(%rbp),%rax
  test   %rax,%rax
  je     L110
  mov    -0x8(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  jmp    L39
L110:
  mov    -0x28(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  jmp    L39
L41:
  mov    -0x38(%rbp),%rax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  cltq
  and    -0x40(%rbp),%rax
  test   %rax,%rax
  je     L117
  mov    -0x38(%rbp),%rax
  lea    0x1(%rax),%rdi
  mov    -0x40(%rbp),%rdx
  mov    -0x30(%rbp),%rsi
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rcx
  mov    %rdi,%rdx
  mov    %rax,%rdi
  call   <divider>
  jmp    L39
L117:
  mov    -0x38(%rbp),%rax
  lea    0x1(%rax),%rdi
  mov    -0x40(%rbp),%rdx
  mov    -0x8(%rbp),%rsi
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rcx
  mov    %rdi,%rdx
  mov    %rax,%rdi
  call   <divider>
L39:
  leave
  ret
```

assistant: ```c
long long divider(long long min, long long max, long long cnt, long long rand) {
  long long med, half, diff;
  if (cnt > 32)
    return -1;
  if (cnt == 0 || rand < -1) {
    rand = (long long)lrand48();
  }
  diff = max - min;
  if (diff <= 2147483647)
    return min + rand;
  half = diff / (long long)2;
  med = min + half;
  if (half <= 2147483647) {
    if (rand & (1 << cnt))
      return med + rand;
    else
      return min + rand;
  } else {
    if (rand & (1 << cnt)) {
      return divider(med, max, cnt + 1, rand);
    } else {
      return divider(min, med, cnt + 1, rand);
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<divider>:
  endbr64
  cmp    $0x20,%rdx
  jg     L68
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%r12
  mov    %rdx,%rbx
  mov    %rcx,%rax
  test   %rdx,%rdx
  je     L60
  cmp    $0xffffffffffffffff,%rcx
  jl     L60
L33:
  mov    %r12,%rdx
  sub    %rbp,%rdx
  cmp    $0x7fffffff,%rdx
  jle    L59
  mov    %rdx,%rcx
  shr    $0x3f,%rcx
  add    %rdx,%rcx
  sar    %rcx
  lea    (%rcx,%rbp,1),%rdi
  mov    $0xffffffff,%ecx
  cmp    %rcx,%rdx
  jg     L36
  mov    $0x1,%edx
  mov    %ebx,%ecx
  shl    %cl,%edx
  movslq %edx,%rdx
  lea    (%rax,%rdi,1),%rcx
  add    %rax,%rbp
  test   %rax,%rdx
  mov    %rcx,%rax
  cmove  %rbp,%rax
  jmp    L30
L60:
  mov    $0x0,%eax
  call   <lrand48@plt>
  jmp    L33
L59:
  add    %rbp,%rax
L30:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L36:
  mov    $0x1,%edx
  mov    %ebx,%ecx
  shl    %cl,%edx
  movslq %edx,%rdx
  test   %rax,%rdx
  je     L78
  lea    0x1(%rbx),%rdx
  mov    %rax,%rcx
  mov    %r12,%rsi
  call   <divider>
  jmp    L30
L78:
  lea    0x1(%rbx),%rdx
  mov    %rax,%rcx
  mov    %rdi,%rsi
  mov    %rbp,%rdi
  call   <divider>
  jmp    L30
L68:
  mov    $0xffffffffffffffff,%rax
  ret
```

assistant: ```c
long long divider(long long min, long long max, long long cnt, long long rand) {
  long long med, half, diff;
  if (cnt > 32)
    return -1;
  if (cnt == 0 || rand < -1) {
    rand = (long long)lrand48();
  }
  diff = max - min;
  if (diff <= 2147483647)
    return min + rand;
  half = diff / (long long)2;
  med = min + half;
  if (half <= 2147483647) {
    if (rand & (1 << cnt))
      return med + rand;
    else
      return min + rand;
  } else {
    if (rand & (1 << cnt)) {
      return divider(med, max, cnt + 1, rand);
    } else {
      return divider(min, med, cnt + 1, rand);
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<divider>:
  endbr64
  cmp    $0x20,%rdx
  jg     L55
  push   %r15
  mov    %rcx,%rax
  mov    $0x1,%r15d
  push   %r14
  mov    $0xffffffff,%r14d
  push   %r13
  mov    $0x80000000,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x8,%rsp
  jmp    L9
  nopl   0x0(%rax)
L54:
  mov    %r12,%rdi
  sub    %rbp,%rdi
  cmp    %r13,%rdi
  jl     L50
L75:
  mov    %r15d,%edx
  mov    %ebx,%ecx
  mov    %rdi,%rsi
  shl    %cl,%edx
  sar    %rsi
  movslq %edx,%rdx
  add    %rbp,%rsi
  and    %rax,%rdx
  cmp    %r14,%rdi
  jle    L52
  add    $0x1,%rbx
  test   %rdx,%rdx
  cmove  %rsi,%r12
  cmovne %rsi,%rbp
  cmp    $0x21,%rbx
  je     L4
L9:
  test   %rbx,%rbx
  je     L67
  cmp    $0xffffffffffffffff,%rax
  jge    L54
L67:
  xor    %eax,%eax
  call   <lrand48@plt>
  mov    %r12,%rdi
  sub    %rbp,%rdi
  cmp    %r13,%rdi
  jge    L75
L50:
  add    $0x8,%rsp
  add    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L4:
  add    $0x8,%rsp
  mov    $0xffffffffffffffff,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L52:
  add    %rax,%rsi
  add    %rbp,%rax
  test   %rdx,%rdx
  cmovne %rsi,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L55:
  mov    $0xffffffffffffffff,%rax
  ret
```

assistant: ```c
long long divider(long long min, long long max, long long cnt, long long rand) {
  long long med, half, diff;
  if (cnt > 32)
    return -1;
  if (cnt == 0 || rand < -1) {
    rand = (long long)lrand48();
  }
  diff = max - min;
  if (diff <= 2147483647)
    return min + rand;
  half = diff / (long long)2;
  med = min + half;
  if (half <= 2147483647) {
    if (rand & (1 << cnt))
      return med + rand;
    else
      return min + rand;
  } else {
    if (rand & (1 << cnt)) {
      return divider(med, max, cnt + 1, rand);
    } else {
      return divider(min, med, cnt + 1, rand);
    }
  }
}
```