ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Translate the below assembly code into C programming language:

```asm
<android_atomic_or>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  xchg   %ax,%ax
L3:
  mov    (%rbx),%r12
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %r12,%rdi
  or     %rbp,%rsi
  call   <android_atomic_cas@plt>
  xor    %edi,%edi
  test   %rax,%rax
  setne  %dil
  xor    %esi,%esi
  call   <__builtin_expect@plt>
  test   %rax,%rax
  jne    L3
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
extern __attribute__((always_)) int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) {
  int32_t prev, status;
  do {
    prev = *ptr;
    status = android_atomic_cas(prev, prev | value, ptr);
  } while (__builtin_expect(status != 0, 0));
  return prev;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<android_atomic_or>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  xchg   %ax,%ax
L7:
  mov    (%rbx),%r12
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %r12,%rdi
  or     %rbp,%rsi
  call   <android_atomic_cas@plt>
  xor    %edi,%edi
  test   %rax,%rax
  setne  %dil
  xor    %esi,%esi
  call   <__builtin_expect@plt>
  test   %rax,%rax
  jne    L7
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
extern __attribute__((always_)) int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) {
  int32_t prev, status;
  do {
    prev = *ptr;
    status = android_atomic_cas(prev, prev | value, ptr);
  } while (__builtin_expect(status != 0, 0));
  return prev;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<fs_load>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  mov    D54(%rip),%rax
  mov    (%rax),%edx
  mov    D74(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%ecx
  or     %eax,%ecx
  mov    -0x24(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <open@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  js     L30
  mov    -0x4(%rbp),%eax
  jmp    L61
L30:
  mov    D59(%rip),%rax
  mov    (%rax),%rdx
  mov    D29(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  je     L67
  mov    $0xffff8001,%eax
  jmp    L61
L67:
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fs_mkdir_parent@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jne    L0
  cmpl   $0x0,-0x28(%rbp)
  je     L17
  mov    D53(%rip),%rax
  mov    (%rax),%edx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  or     %edx,%eax
  jmp    L49
L17:
  mov    D74(%rip),%rax
  mov    (%rax),%eax
L49:
  mov    D54(%rip),%rdx
  mov    (%rdx),%edx
  or     %edx,%eax
  mov    %eax,%ecx
  mov    -0x24(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <open@plt>
  mov    %eax,-0x4(%rbp)
L0:
  mov    -0x4(%rbp),%eax
L61:
  leave
  ret
```

assistant: ```c
int fs_load(char *path, size_t length, int permissions, int truncate) {
  int result;
  result = open(path, O_CREAT | O_RDWR, permissions);
  if (result >= 0)
    return result;
  if (errno != ENOENT)
    return -32767;
  result = fs_mkdir_parent(path, length);
  if (!result)
    result = open(path, O_CREAT | (truncate ? (O_WRONLY | O_TRUNC) : O_RDWR), permissions);
  return result;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<fs_load>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r13
  mov    %edx,%ebp
  mov    %ecx,%r12d
  mov    D26(%rip),%rax
  mov    (%rax),%esi
  mov    D33(%rip),%rax
  or     (%rax),%esi
  call   <open@plt>
  test   %eax,%eax
  jns    L48
  mov    D72(%rip),%rdx
  mov    D23(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  jne    L1
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <fs_mkdir_parent@plt>
  test   %eax,%eax
  jne    L48
  test   %r12d,%r12d
  je     L21
  mov    D36(%rip),%rax
  mov    (%rax),%esi
  mov    D53(%rip),%rax
  or     (%rax),%esi
L58:
  mov    D26(%rip),%rax
  or     (%rax),%esi
  mov    %ebp,%edx
  mov    %rbx,%rdi
  call   <open@plt>
L48:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L21:
  mov    D33(%rip),%rax
  mov    (%rax),%esi
  jmp    L58
L1:
  mov    $0xffff8001,%eax
  jmp    L48
```

assistant: ```c
int fs_load(char *path, size_t length, int permissions, int truncate) {
  int result;
  result = open(path, O_CREAT | O_RDWR, permissions);
  if (result >= 0)
    return result;
  if (errno != ENOENT)
    return -32767;
  result = fs_mkdir_parent(path, length);
  if (!result)
    result = open(path, O_CREAT | (truncate ? (O_WRONLY | O_TRUNC) : O_RDWR), permissions);
  return result;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<fs_load>:
  endbr64
  push   %r15
  mov    %edx,%r15d
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x8,%rsp
  mov    D9(%rip),%rbp
  mov    D37(%rip),%r12
  mov    0x0(%rbp),%esi
  or     (%r12),%esi
  call   <open@plt>
  test   %eax,%eax
  jns    L38
  mov    D52(%rip),%rax
  mov    D59(%rip),%rdx
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  jne    L47
  mov    %r13,%rsi
  mov    %r14,%rdi
  call   <fs_mkdir_parent@plt>
  test   %eax,%eax
  jne    L38
  test   %ebx,%ebx
  jne    L1
  mov    (%r12),%esi
L10:
  or     0x0(%rbp),%esi
  add    $0x8,%rsp
  mov    %r15d,%edx
  mov    %r14,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <open@plt>
  nopl   0x0(%rax)
L47:
  mov    $0xffff8001,%eax
L38:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L1:
  mov    D58(%rip),%rax
  mov    (%rax),%esi
  mov    D0(%rip),%rax
  or     (%rax),%esi
  jmp    L10
```

assistant: ```c
int fs_load(char *path, size_t length, int permissions, int truncate) {
  int result;
  result = open(path, O_CREAT | O_RDWR, permissions);
  if (result >= 0)
    return result;
  if (errno != ENOENT)
    return -32767;
  result = fs_mkdir_parent(path, length);
  if (!result)
    result = open(path, O_CREAT | (truncate ? (O_WRONLY | O_TRUNC) : O_RDWR), permissions);
  return result;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fs_load>:
  endbr64
  push   %r15
  mov    %edx,%r15d
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x8,%rsp
  mov    D33(%rip),%rbp
  mov    D58(%rip),%r12
  mov    0x0(%rbp),%esi
  or     (%r12),%esi
  call   <open@plt>
  test   %eax,%eax
  jns    L17
  mov    D24(%rip),%rax
  mov    D20(%rip),%rdx
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  jne    L13
  mov    %r13,%rsi
  mov    %r14,%rdi
  call   <fs_mkdir_parent@plt>
  test   %eax,%eax
  jne    L17
  test   %ebx,%ebx
  jne    L15
  mov    (%r12),%esi
L20:
  or     0x0(%rbp),%esi
  add    $0x8,%rsp
  mov    %r15d,%edx
  mov    %r14,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <open@plt>
  nopl   0x0(%rax)
L13:
  mov    $0xffff8001,%eax
L17:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L15:
  mov    D3(%rip),%rax
  mov    (%rax),%esi
  mov    D26(%rip),%rax
  or     (%rax),%esi
  jmp    L20
```

assistant: ```c
int fs_load(char *path, size_t length, int permissions, int truncate) {
  int result;
  result = open(path, O_CREAT | O_RDWR, permissions);
  if (result >= 0)
    return result;
  if (errno != ENOENT)
    return -32767;
  result = fs_mkdir_parent(path, length);
  if (!result)
    result = open(path, O_CREAT | (truncate ? (O_WRONLY | O_TRUNC) : O_RDWR), permissions);
  return result;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<raptor_check_ordinal>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0xffffffff,-0x4(%rbp)
  jmp    L37
L13:
  cmpb   $0x2f,-0x5(%rbp)
  jbe    L20
  cmpb   $0x39,-0x5(%rbp)
  jbe    L32
L20:
  mov    $0xffffffff,%eax
  jmp    L47
L32:
  cmpl   $0x0,-0x4(%rbp)
  jns    L14
  movl   $0x0,-0x4(%rbp)
L14:
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  mov    %eax,-0x4(%rbp)
  movzbl -0x5(%rbp),%eax
  sub    $0x30,%eax
  add    %eax,-0x4(%rbp)
L37:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x5(%rbp)
  cmpb   $0x0,-0x5(%rbp)
  jne    L13
  mov    -0x4(%rbp),%eax
L47:
  pop    %rbp
  ret
```

assistant: ```c
int raptor_check_ordinal(const unsigned char *name) {
  int ordinal = -1;
  unsigned char c;
  while ((c = *name++)) {
    if (c < '0' || c > '9')
      return -1;
    if (ordinal < 0)
      ordinal = 0;
    ordinal *= 10;
    ordinal += (c - '0');
  }
  return ordinal;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<raptor_check_ordinal>:
  endbr64
  lea    0x1(%rdi),%rcx
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L22
  mov    $0xffffffff,%eax
L9:
  lea    -0x30(%rdx),%esi
  cmp    $0x9,%sil
  ja     L4
  test   %eax,%eax
  mov    $0x0,%esi
  cmovs  %esi,%eax
  lea    (%rax,%rax,4),%eax
  movzbl %dl,%edx
  lea    -0x30(%rdx,%rax,2),%eax
  add    $0x1,%rcx
  movzbl -0x1(%rcx),%edx
  test   %dl,%dl
  jne    L9
  ret
L22:
  mov    $0xffffffff,%eax
  ret
L4:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int raptor_check_ordinal(const unsigned char *name) {
  int ordinal = -1;
  unsigned char c;
  while ((c = *name++)) {
    if (c < '0' || c > '9')
      return -1;
    if (ordinal < 0)
      ordinal = 0;
    ordinal *= 10;
    ordinal += (c - '0');
  }
  return ordinal;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<raptor_check_ordinal>:
  endbr64
  movzbl (%rdi),%eax
  lea    0x1(%rdi),%rcx
  mov    $0xffffffff,%r8d
  test   %al,%al
  jne    L29
  jmp    L46
  nopw   0x0(%rax,%rax,1)
L12:
  xor    %edx,%edx
  cmp    $0xffffffff,%r8d
  je     L39
  lea    (%r8,%r8,4),%edx
  add    %edx,%edx
L39:
  add    $0x1,%rcx
  lea    -0x30(%rdx,%rax,1),%r8d
  movzbl -0x1(%rcx),%eax
  test   %al,%al
  je     L46
L29:
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L12
  mov    $0xffffffff,%r8d
L46:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int raptor_check_ordinal(const unsigned char *name) {
  int ordinal = -1;
  unsigned char c;
  while ((c = *name++)) {
    if (c < '0' || c > '9')
      return -1;
    if (ordinal < 0)
      ordinal = 0;
    ordinal *= 10;
    ordinal += (c - '0');
  }
  return ordinal;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<raptor_check_ordinal>:
  endbr64
  movzbl (%rdi),%eax
  lea    0x1(%rdi),%rdx
  mov    $0xffffffff,%r8d
  test   %al,%al
  je     L7
  nopl   (%rax)
L13:
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  ja     L38
L14:
  cmp    $0xffffffff,%r8d
  je     L19
  lea    (%r8,%r8,4),%ecx
  add    $0x1,%rdx
  lea    -0x30(%rax,%rcx,2),%r8d
  movzbl -0x1(%rdx),%eax
  test   %al,%al
  jne    L13
L7:
  mov    %r8d,%eax
  ret
  nop
L19:
  add    $0x1,%rdx
  lea    -0x30(%rax),%r8d
  movzbl -0x1(%rdx),%eax
  test   %al,%al
  je     L7
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  jbe    L14
L38:
  mov    $0xffffffff,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int raptor_check_ordinal(const unsigned char *name) {
  int ordinal = -1;
  unsigned char c;
  while ((c = *name++)) {
    if (c < '0' || c > '9')
      return -1;
    if (ordinal < 0)
      ordinal = 0;
    ordinal *= 10;
    ordinal += (c - '0');
  }
  return ordinal;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<bar>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void bar(void **r) {
  void *t;
  __asm__("" : "=&p"(t), "=p"(*r));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bar>:
  endbr64
  mov    %rax,(%rdi)
  ret
```

assistant: ```c
void bar(void **r) {
  void *t;
  __asm__("" : "=&p"(t), "=p"(*r));
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<bar>:
  endbr64
  mov    %rax,(%rdi)
  ret
```

assistant: ```c
void bar(void **r) {
  void *t;
  __asm__("" : "=&p"(t), "=p"(*r));
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<bar>:
  endbr64
  mov    %rax,(%rdi)
  ret
```

assistant: ```c
void bar(void **r) {
  void *t;
  __asm__("" : "=&p"(t), "=p"(*r));
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<strncmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  jmp    L35
L42:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x2(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x1(%rbp)
  subq   $0x1,-0x28(%rbp)
  movzbl -0x2(%rbp),%eax
  cmp    -0x1(%rbp),%al
  jge    L59
  mov    $0xffffffff,%eax
  jmp    L94
L59:
  movzbl -0x2(%rbp),%eax
  cmp    -0x1(%rbp),%al
  jle    L35
  mov    $0x1,%eax
  jmp    L94
L35:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L53
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L53
  cmpq   $0x0,-0x28(%rbp)
  jne    L42
L53:
  cmpq   $0x0,-0x28(%rbp)
  jne    L27
  mov    $0x0,%eax
  jmp    L94
L27:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L117
  mov    $0xffffffff,%eax
  jmp    L94
L117:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L121
  mov    $0x1,%eax
  jmp    L94
L121:
  mov    $0x0,%eax
L94:
  pop    %rbp
  ret
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  while (*s1 && *s2 && n > 0) {
    char c1 = *s1++;
    char c2 = *s2++;
    n--;
    if (c1 < c2)
      return -1;
    if (c1 > c2)
      return 1;
  }
  if (n == 0)
    return 0;
  if (*s2)
    return -1;
  if (*s1)
    return 1;
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<strncmp>:
  endbr64
L5:
  movzbl (%rdi),%eax
  test   %al,%al
  je     L80
  movzbl (%rsi),%ecx
  test   %rdx,%rdx
  je     L80
  test   %cl,%cl
  je     L80
  add    $0x1,%rdi
  add    $0x1,%rsi
  sub    $0x1,%rdx
  cmp    %cl,%al
  jl     L53
  jle    L5
  mov    $0x1,%ecx
  jmp    L32
L80:
  mov    $0x0,%ecx
  test   %rdx,%rdx
  je     L32
  mov    $0xffffffff,%ecx
  cmpb   $0x0,(%rsi)
  jne    L32
  test   %al,%al
  setne  %cl
  movzbl %cl,%ecx
L32:
  mov    %ecx,%eax
  ret
L53:
  mov    $0xffffffff,%ecx
  jmp    L32
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  while (*s1 && *s2 && n > 0) {
    char c1 = *s1++;
    char c2 = *s2++;
    n--;
    if (c1 < c2)
      return -1;
    if (c1 > c2)
      return 1;
  }
  if (n == 0)
    return 0;
  if (*s2)
    return -1;
  if (*s1)
    return 1;
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<strncmp>:
  endbr64
  jmp    L12
  cs nopw 0x0(%rax,%rax,1)
L57:
  movzbl (%rsi),%ecx
  test   %cl,%cl
  je     L2
  test   %rdx,%rdx
  je     L42
  add    $0x1,%rdi
  add    $0x1,%rsi
  sub    $0x1,%rdx
  cmp    %cl,%al
  jl     L43
  jg     L49
L12:
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L57
  test   %rdx,%rdx
  je     L42
  movzbl (%rsi),%eax
  neg    %al
  sbb    %eax,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L42:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L2:
  xor    %eax,%eax
  test   %rdx,%rdx
  setne  %al
  ret
  nopl   0x0(%rax)
L43:
  mov    $0xffffffff,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L49:
  mov    $0x1,%eax
  ret
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  while (*s1 && *s2 && n > 0) {
    char c1 = *s1++;
    char c2 = *s2++;
    n--;
    if (c1 < c2)
      return -1;
    if (c1 > c2)
      return 1;
  }
  if (n == 0)
    return 0;
  if (*s2)
    return -1;
  if (*s1)
    return 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
<strncmp>:
  endbr64
  jmp    L0
  cs nopw 0x0(%rax,%rax,1)
L69:
  movzbl (%rsi),%ecx
  test   %cl,%cl
  je     L24
  test   %rdx,%rdx
  je     L11
  add    $0x1,%rdi
  add    $0x1,%rsi
  sub    $0x1,%rdx
  cmp    %cl,%al
  jl     L52
  jg     L12
L0:
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L69
  test   %rdx,%rdx
  je     L11
  movzbl (%rsi),%eax
  neg    %al
  sbb    %eax,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L11:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L24:
  xor    %eax,%eax
  test   %rdx,%rdx
  setne  %al
  ret
  nopl   0x0(%rax)
L52:
  mov    $0xffffffff,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L12:
  mov    $0x1,%eax
  ret
```

assistant: ```c
int strncmp(const char *s1, const char *s2, size_t n) {
  while (*s1 && *s2 && n > 0) {
    char c1 = *s1++;
    char c2 = *s2++;
    n--;
    if (c1 < c2)
      return -1;
    if (c1 > c2)
      return 1;
  }
  if (n == 0)
    return 0;
  if (*s2)
    return -1;
  if (*s1)
    return 1;
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x418,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x408(%rsp)
  xor    %eax,%eax
  mov    $0x0,%r14d
  movl   $0x0,0xc(%rsp)
  mov    $0x0,%r13d
  mov    $0x0,%ebx
  mov    $0x0,%r12d
  mov    $0x1,%r15d
  jmp    L140
L135:
  cmp    $0x1,%r14d
  je     L47
L42:
  mov    %r13d,%ebx
  mov    %r13d,%r12d
  test   %r13d,%r13d
  je     L140
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    $0x0,%r14d
  mov    $0x0,%r13d
  mov    $0x0,%ebx
  mov    $0x0,%r12d
  jmp    L140
L47:
  mov    D0(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0xc(%rsp)
  jmp    L42
L118:
  mov    %r12d,%edi
  call   <advance@plt>
  cmp    %ebx,%eax
  je     L121
L36:
  movslq %r12d,%rax
  mov    %bpl,0x10(%rsp,%rax,1)
  mov    %r12d,%edi
  call   <advance@plt>
  mov    %eax,%r12d
L140:
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %eax,%ebp
  mov    D14(%rip),%rax
  cmp    %ebp,(%rax)
  je     L123
  cmp    $0xa,%ebp
  je     L135
  cmp    $0x20,%ebp
  je     L118
  cmp    $0x9,%ebp
  je     L118
  cmp    %ebx,%r12d
  je     L19
L84:
  movslq %ebx,%rax
  movsbl 0x10(%rsp,%rax,1),%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <advance@plt>
  mov    %eax,%ebx
  cmp    %eax,%r12d
  jne    L84
L19:
  mov    %ebp,%edi
  call   <putchar@plt>
  mov    $0x0,%r14d
  mov    %r15d,%r13d
  jmp    L140
L121:
  movslq %ebx,%rax
  movsbl 0x10(%rsp,%rax,1),%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <advance@plt>
  mov    %eax,%ebx
  mov    %r15d,%r14d
  mov    %r15d,%r13d
  jmp    L36
L123:
  cmp    $0x1,%r14d
  je     L127
L153:
  mov    0x408(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L156
  mov    0xc(%rsp),%eax
  add    $0x418,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L127:
  mov    D0(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0xc(%rsp)
  jmp    L153
L156:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(void) {
  char blank[1001];
  int head, tail;
  int nonspace;
  int retval;
  int c;
  int spaceJustPrinted;
  retval = spaceJustPrinted = nonspace = head = tail = 0;
  while ((c = getchar()) != EOF) {
    if (c == '\n') {
      head = tail = 0;
      if (spaceJustPrinted == 1)
        retval = EXIT_FAILURE;
      if (nonspace) {
        putchar('\n');
        spaceJustPrinted = 0;
        nonspace = 0;
      }
    } else if (c == ' ' || c == '\t') {
      if (advance(head) == tail) {
        putchar(blank[tail]);
        spaceJustPrinted = 1;
        tail = advance(tail);
        nonspace = 1;
      }
      blank[head] = c;
      head = advance(head);
    } else {
      while (head != tail) {
        putchar(blank[tail]);
        tail = advance(tail);
      }
      putchar(c);
      spaceJustPrinted = 0;
      nonspace = 1;
    }
  }
  if (spaceJustPrinted == 1)
    retval = EXIT_FAILURE;
  return retval;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  xor    %r14d,%r14d
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  sub    $0x418,%rsp
  mov    D14(%rip),%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x408(%rsp)
  xor    %eax,%eax
  movl   $0x0,0xc(%rsp)
  nopl   0x0(%rax,%rax,1)
L3:
  xor    %eax,%eax
  call   <getchar@plt>
  mov    %eax,%ebp
  cmp    %eax,(%rbx)
  je     L108
L109:
  cmp    $0xa,%ebp
  je     L122
  cmp    $0x20,%ebp
  je     L110
  cmp    $0x9,%ebp
  jne    L78
  jmp    L110
  nopl   0x0(%rax)
L25:
  movslq %r15d,%rax
  movsbl 0x10(%rsp,%rax,1),%edi
  call   <putchar@plt>
  mov    %r15d,%edi
  call   <advance@plt>
  mov    %eax,%r15d
L78:
  cmp    %r15d,%r12d
  jne    L25
  mov    %ebp,%edi
  xor    %r13d,%r13d
  mov    $0x1,%r14d
  call   <putchar@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  mov    %eax,%ebp
  cmp    %eax,(%rbx)
  jne    L109
L108:
  cmp    $0x1,%r13d
  jne    L1
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0xc(%rsp)
L1:
  mov    0x408(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L135
  mov    0xc(%rsp),%eax
  add    $0x418,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L110:
  mov    %r12d,%edi
  call   <advance@plt>
  cmp    %r15d,%eax
  je     L103
L124:
  movslq %r12d,%rax
  mov    %r12d,%edi
  mov    %bpl,0x10(%rsp,%rax,1)
  call   <advance@plt>
  mov    %eax,%r12d
  jmp    L3
  nopl   (%rax)
L122:
  cmp    $0x1,%r13d
  jne    L100
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0xc(%rsp)
L100:
  xor    %r15d,%r15d
  xor    %r12d,%r12d
  test   %r14d,%r14d
  je     L3
  mov    $0xa,%edi
  xor    %r13d,%r13d
  xor    %r14d,%r14d
  call   <putchar@plt>
  jmp    L3
L103:
  movslq %r15d,%rax
  mov    $0x1,%r13d
  mov    $0x1,%r14d
  movsbl 0x10(%rsp,%rax,1),%edi
  call   <putchar@plt>
  mov    %r15d,%edi
  call   <advance@plt>
  mov    %eax,%r15d
  jmp    L124
L135:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(void) {
  char blank[1001];
  int head, tail;
  int nonspace;
  int retval;
  int c;
  int spaceJustPrinted;
  retval = spaceJustPrinted = nonspace = head = tail = 0;
  while ((c = getchar()) != EOF) {
    if (c == '\n') {
      head = tail = 0;
      if (spaceJustPrinted == 1)
        retval = EXIT_FAILURE;
      if (nonspace) {
        putchar('\n');
        spaceJustPrinted = 0;
        nonspace = 0;
      }
    } else if (c == ' ' || c == '\t') {
      if (advance(head) == tail) {
        putchar(blank[tail]);
        spaceJustPrinted = 1;
        tail = advance(tail);
        nonspace = 1;
      }
      blank[head] = c;
      head = advance(head);
    } else {
      while (head != tail) {
        putchar(blank[tail]);
        tail = advance(tail);
      }
      putchar(c);
      spaceJustPrinted = 0;
      nonspace = 1;
    }
  }
  if (spaceJustPrinted == 1)
    retval = EXIT_FAILURE;
  return retval;
}
```