ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<read_string>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  mov    $0x2,%edx
  push   %rbp
  mov    %rdi,%rbp
  mov    %r12,%rdi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x6(%rsp),%rsi
  call   <r_read@plt>
  movswl 0x6(%rsp),%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <r_read@plt>
  movswl 0x6(%rsp),%esi
  mov    %rbp,%rdi
  call   <name_cipher@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void read_string(char *s, FILE *fp) {
  short n;
  r_read(fp, (char *)&n, sizeof(short));
  r_read(fp, s, n);
  name_cipher(s, n);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<strlcpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L2
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  jmp    L19
L2:
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strlcat@plt>
L19:
  leave
  ret
```

assistant: ```c
size_t strlcpy(char *dst, const char *src, size_t siz) {
  if (siz == 0)
    return strlen(dst);
  dst[0] = '\0';
  return strlcat(dst, src, siz);
}
```
user: Translate the below assembly code into C programming language:

```asm
<strlcpy>:
  endbr64
  sub    $0x8,%rsp
  test   %rdx,%rdx
  jne    L9
  call   <strlen@plt>
L3:
  add    $0x8,%rsp
  ret
L9:
  movb   $0x0,(%rdi)
  call   <strlcat@plt>
  jmp    L3
```

assistant: ```c
size_t strlcpy(char *dst, const char *src, size_t siz) {
  if (siz == 0)
    return strlen(dst);
  dst[0] = '\0';
  return strlcat(dst, src, siz);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strlcpy>:
  endbr64
  test   %rdx,%rdx
  jne    L7
  jmp    1070 <strlen@plt>
  xchg   %ax,%ax
L7:
  movb   $0x0,(%rdi)
  jmp    1060 <strlcat@plt>
```

assistant: ```c
size_t strlcpy(char *dst, const char *src, size_t siz) {
  if (siz == 0)
    return strlen(dst);
  dst[0] = '\0';
  return strlcat(dst, src, siz);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<strlcpy>:
  endbr64
  test   %rdx,%rdx
  jne    L9
  jmp    1070 <strlen@plt>
  xchg   %ax,%ax
L9:
  movb   $0x0,(%rdi)
  jmp    1060 <strlcat@plt>
```

assistant: ```c
size_t strlcpy(char *dst, const char *src, size_t siz) {
  if (siz == 0)
    return strlen(dst);
  dst[0] = '\0';
  return strlcat(dst, src, siz);
}
```
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
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  jmp    L19
L50:
  mov    -0x14(%rbp),%eax
  cmp    $0xffffffff,%eax
  jne    L75
  mov    -0x10(%rbp),%eax
  cmp    $0xffffffff,%eax
  je     L12
L75:
  mov    -0x14(%rbp),%eax
  mov    -0x10(%rbp),%edx
  sub    %edx,%eax
  mov    %eax,%edx
  neg    %edx
  cmovns %edx,%eax
  mov    %eax,-0xc(%rbp)
  cmpl   $0x32,-0xc(%rbp)
  jle    L79
  mov    $0x64,%eax
  sub    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L19
L79:
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L19:
  lea    -0x10(%rbp),%rdx
  lea    -0x14(%rbp),%rax
  mov    %rax,%rsi
  lea    D18(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  cmp    $0x2,%eax
  je     L50
  jmp    L11
L12:
  nop
L11:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L18
  call   <__stack_chk_fail@plt>
L18:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D0
type_infered: string
name: parse_data
arguments: data_tag: D18
type_infered: string

tool: D0: %d


tool: D18: %d %d

assistant: ```c
main() {
  int a, b, d;
  while (scanf("%d %d", &a, &b) == 2) {
    if (a == -1 && b == -1)
      break;
    d = abs(a - b);
    if (d > 50)
      printf("%d\n", 100 - d);
    else
      printf("%d\n", d);
  }
  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
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %rsp,%rbp
  lea    D5(%rip),%rbx
  lea    D2(%rip),%r13
  jmp    L42
L49:
  mov    %r13,%rdi
  call   <printf@plt>
L42:
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  cmp    $0x2,%eax
  jne    L29
  mov    (%rsp),%eax
  mov    0x4(%rsp),%edx
  mov    %eax,%ecx
  and    %edx,%ecx
  cmp    $0xffffffff,%ecx
  je     L29
  sub    %edx,%eax
  mov    %eax,%esi
  neg    %esi
  cmovs  %eax,%esi
  cmp    $0x32,%esi
  jle    L49
  mov    $0x64,%eax
  sub    %esi,%eax
  mov    %eax,%esi
  mov    %r13,%rdi
  call   <printf@plt>
  jmp    L42
L29:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  mov    $0x0,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L11:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D5
type_guessed: string
name: unpack_data
arguments: data_label: D2
type_guessed: string

tool: D5: %d %d

tool: D2: %d


assistant: ```c
main() {
  int a, b, d;
  while (scanf("%d %d", &a, &b) == 2) {
    if (a == -1 && b == -1)
      break;
    d = abs(a - b);
    if (d > 50)
      printf("%d\n", 100 - d);
    else
      printf("%d\n", d);
  }
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r13
  lea    D3(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    D19(%rip),%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %rsp,%rbp
  nopl   0x0(%rax)
L4:
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  cmp    $0x2,%eax
  jne    L33
  mov    (%rsp),%eax
  mov    0x4(%rsp),%edx
  mov    %eax,%ecx
  and    %edx,%ecx
  cmp    $0xffffffff,%ecx
  je     L33
  sub    %edx,%eax
  mov    %eax,%esi
  neg    %esi
  cmovs  %eax,%esi
  cmp    $0x32,%esi
  jle    L37
  mov    $0x64,%r8d
  mov    %r13,%rdi
  sub    %esi,%r8d
  mov    %r8d,%esi
  call   <printf@plt>
  jmp    L4
  nop
L37:
  mov    %r13,%rdi
  call   <printf@plt>
  jmp    L4
  nopw   0x0(%rax,%rax,1)
L33:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L48
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L48:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D3
type_guessed: string
name: retrieve_data
arguments: label: D19
type_guessed: string

tool: D3: %d


tool: D19: %d %d

assistant: ```c
main() {
  int a, b, d;
  while (scanf("%d %d", &a, &b) == 2) {
    if (a == -1 && b == -1)
      break;
    d = abs(a - b);
    if (d > 50)
      printf("%d\n", 100 - d);
    else
      printf("%d\n", d);
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %r13
  lea    D12(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    D2(%rip),%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %rsp,%rbp
  nopl   0x0(%rax)
L6:
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  cmp    $0x2,%eax
  jne    L17
  mov    (%rsp),%eax
  mov    0x4(%rsp),%edx
  mov    %eax,%ecx
  and    %edx,%ecx
  cmp    $0xffffffff,%ecx
  je     L17
  sub    %edx,%eax
  mov    %eax,%esi
  neg    %esi
  cmovs  %eax,%esi
  cmp    $0x32,%esi
  jle    L55
  mov    $0x64,%r8d
  mov    %r13,%rdi
  sub    %esi,%r8d
  mov    %r8d,%esi
  call   <printf@plt>
  jmp    L6
  nop
L55:
  mov    %r13,%rdi
  call   <printf@plt>
  jmp    L6
  nopw   0x0(%rax,%rax,1)
L17:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L21:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D12
data_type: string
name: parse_data
arguments: tag: D2
data_type: string

tool: D12: %d


tool: D2: %d %d

assistant: ```c
main() {
  int a, b, d;
  while (scanf("%d %d", &a, &b) == 2) {
    if (a == -1 && b == -1)
      break;
    d = abs(a - b);
    if (d > 50)
      printf("%d\n", 100 - d);
    else
      printf("%d\n", d);
  }
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<pr_exit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <WIFEXITED@plt>
  test   %rax,%rax
  je     L31
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <WEXITSTATUS@plt>
  mov    %eax,%esi
  lea    D25(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L36
L31:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <WIFSIGNALED@plt>
  test   %rax,%rax
  je     L45
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <WTERMSIG@plt>
  mov    %eax,%ecx
  lea    D5(%rip),%rax
  mov    %rax,%rdx
  mov    %ecx,%esi
  lea    D26(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L36
L45:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <WIFSTOPPED@plt>
  test   %rax,%rax
  je     L36
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <WSTOPSIG@plt>
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L36:
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D25
datatype: string
name: parse_data
arguments: data_tag: D5
datatype: string
name: parse_data
arguments: data_tag: D26
datatype: string
name: parse_data
arguments: data_tag: D15
datatype: string

tool: D25: normal termination, exit status = %d


tool: 

tool: D26: abnormal termination, signal number = %d%s


tool: D15: child stopped, signal number = %d


assistant: ```c
void pr_exit(int status) {
  if (WIFEXITED(status)) {
    printf("normal termination, exit status = %d\n", WEXITSTATUS(status));
  } else if (WIFSIGNALED(status)) {
    printf("abnormal termination, signal number = %d%s\n", WTERMSIG(status), "");
  } else if (WIFSTOPPED(status)) {
    printf("child stopped, signal number = %d\n", WSTOPSIG(status));
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<pr_exit>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  call   <WIFEXITED@plt>
  test   %rax,%rax
  je     L10
  mov    %ebx,%edi
  call   <WEXITSTATUS@plt>
  mov    %eax,%esi
  lea    D37(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L14:
  pop    %rbx
  ret
L10:
  mov    %ebx,%edi
  call   <WIFSIGNALED@plt>
  test   %rax,%rax
  je     L29
  mov    %ebx,%edi
  call   <WTERMSIG@plt>
  mov    %eax,%esi
  lea    D13(%rip),%rdx
  lea    D21(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L14
L29:
  mov    %ebx,%edi
  call   <WIFSTOPPED@plt>
  test   %rax,%rax
  je     L14
  mov    %ebx,%edi
  call   <WSTOPSIG@plt>
  mov    %eax,%esi
  lea    D2(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L14
```

tool_calls: name: unpack_data
arguments: tag: D37
data_type: string
name: unpack_data
arguments: tag: D13
data_type: string
name: unpack_data
arguments: tag: D21
data_type: string
name: unpack_data
arguments: tag: D2
data_type: string

tool: D37: normal termination, exit status = %d


tool: 

tool: D21: abnormal termination, signal number = %d%s


tool: D2: child stopped, signal number = %d


assistant: ```c
void pr_exit(int status) {
  if (WIFEXITED(status)) {
    printf("normal termination, exit status = %d\n", WEXITSTATUS(status));
  } else if (WIFSIGNALED(status)) {
    printf("abnormal termination, signal number = %d%s\n", WTERMSIG(status), "");
  } else if (WIFSTOPPED(status)) {
    printf("child stopped, signal number = %d\n", WSTOPSIG(status));
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<pr_exit>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  call   <WIFEXITED@plt>
  mov    %ebp,%edi
  test   %rax,%rax
  je     L5
  call   <WEXITSTATUS@plt>
  lea    D31(%rip),%rdi
  pop    %rbp
  mov    %eax,%esi
  xor    %eax,%eax
  jmp    10b0 <printf@plt>
  nopl   0x0(%rax)
L5:
  call   <WIFSIGNALED@plt>
  mov    %ebp,%edi
  test   %rax,%rax
  je     L9
  call   <WTERMSIG@plt>
  lea    D13(%rip),%rdx
  lea    D10(%rip),%rdi
  pop    %rbp
  mov    %eax,%esi
  xor    %eax,%eax
  jmp    10b0 <printf@plt>
  nopl   0x0(%rax)
L9:
  call   <WIFSTOPPED@plt>
  test   %rax,%rax
  jne    L24
  pop    %rbp
  ret
  nopl   0x0(%rax)
L24:
  mov    %ebp,%edi
  call   <WSTOPSIG@plt>
  lea    D16(%rip),%rdi
  pop    %rbp
  mov    %eax,%esi
  xor    %eax,%eax
  jmp    10b0 <printf@plt>
```

tool_calls: name: read_data
arguments: tag: D31
data_type: string
name: read_data
arguments: tag: D13
data_type: string
name: read_data
arguments: tag: D10
data_type: string
name: read_data
arguments: tag: D16
data_type: string

tool: D31: normal termination, exit status = %d


tool: 

tool: D10: abnormal termination, signal number = %d%s


tool: D16: child stopped, signal number = %d


assistant: ```c
void pr_exit(int status) {
  if (WIFEXITED(status)) {
    printf("normal termination, exit status = %d\n", WEXITSTATUS(status));
  } else if (WIFSIGNALED(status)) {
    printf("abnormal termination, signal number = %d%s\n", WTERMSIG(status), "");
  } else if (WIFSTOPPED(status)) {
    printf("child stopped, signal number = %d\n", WSTOPSIG(status));
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<pr_exit>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  call   <WIFEXITED@plt>
  mov    %ebp,%edi
  test   %rax,%rax
  je     L19
  call   <WEXITSTATUS@plt>
  lea    D5(%rip),%rdi
  pop    %rbp
  mov    %eax,%esi
  xor    %eax,%eax
  jmp    10b0 <printf@plt>
  nopl   0x0(%rax)
L19:
  call   <WIFSIGNALED@plt>
  mov    %ebp,%edi
  test   %rax,%rax
  je     L3
  call   <WTERMSIG@plt>
  lea    D34(%rip),%rdx
  lea    D24(%rip),%rdi
  pop    %rbp
  mov    %eax,%esi
  xor    %eax,%eax
  jmp    10b0 <printf@plt>
  nopl   0x0(%rax)
L3:
  call   <WIFSTOPPED@plt>
  test   %rax,%rax
  jne    L5
  pop    %rbp
  ret
  nopl   0x0(%rax)
L5:
  mov    %ebp,%edi
  call   <WSTOPSIG@plt>
  lea    D35(%rip),%rdi
  pop    %rbp
  mov    %eax,%esi
  xor    %eax,%eax
  jmp    10b0 <printf@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D5
type: string
name: extract_symbolic_data
arguments: data_label: D34
type: string
name: extract_symbolic_data
arguments: data_label: D24
type: string
name: extract_symbolic_data
arguments: data_label: D35
type: string

tool: D5: normal termination, exit status = %d


tool: 

tool: D24: abnormal termination, signal number = %d%s


tool: D35: child stopped, signal number = %d


assistant: ```c
void pr_exit(int status) {
  if (WIFEXITED(status)) {
    printf("normal termination, exit status = %d\n", WEXITSTATUS(status));
  } else if (WIFSIGNALED(status)) {
    printf("abnormal termination, signal number = %d%s\n", WTERMSIG(status), "");
  } else if (WIFSTOPPED(status)) {
    printf("child stopped, signal number = %d\n", WSTOPSIG(status));
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<memchrs>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x20(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  je     L91
  cmpl   $0x0,-0x20(%rbp)
  jg     L70
L91:
  mov    -0x18(%rbp),%rax
  jmp    L66
L70:
  cmpq   $0x0,-0x18(%rbp)
  je     L27
  cmpl   $0x0,-0x1c(%rbp)
  jg     L13
L27:
  mov    $0x0,%eax
  jmp    L66
L13:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L55
L23:
  addq   $0x1,-0x18(%rbp)
L55:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jae    L98
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%ecx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <memchr@plt>
  test   %rax,%rax
  je     L23
L98:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jne    L75
  mov    $0x0,%eax
  jmp    L66
L75:
  mov    -0x18(%rbp),%rax
L66:
  leave
  ret
```

assistant: ```c
char *memchrs(char *p, int lenp, char *q, int lenq) {
  char *endp;
  if (!q || lenq <= 0)
    return p;
  if (!p || lenp <= 0)
    return ((void *)0);
  endp = p + lenp;
  while (p < endp && !memchr(q, *p, lenq))
    p++;
  if (p == endp)
    return ((void *)0);
  return p;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<memchrs>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  test   %rdx,%rdx
  je     L82
  mov    %rdx,%r13
  test   %ecx,%ecx
  jle    L82
  test   %rdi,%rdi
  je     L31
  test   %esi,%esi
  jle    L31
  movslq %esi,%rsi
  lea    (%rdi,%rsi,1),%rbp
  movslq %ecx,%r12
  mov    %rdi,%rdx
  cmp    %rbp,%rdi
  jae    L33
L83:
  movsbl (%rbx),%esi
  mov    %r12,%rdx
  mov    %r13,%rdi
  call   <memchr@plt>
  mov    %rax,%rdx
  test   %rax,%rax
  jne    L23
  add    $0x1,%rbx
  cmp    %rbx,%rbp
  jne    L83
  jmp    L32
L23:
  mov    %rbx,%rdx
L33:
  cmp    %rdx,%rbp
  je     L86
L32:
  mov    %rdx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L86:
  mov    $0x0,%edx
  jmp    L32
L82:
  mov    %rbx,%rdx
  jmp    L32
L31:
  mov    $0x0,%edx
  jmp    L32
```

assistant: ```c
char *memchrs(char *p, int lenp, char *q, int lenq) {
  char *endp;
  if (!q || lenq <= 0)
    return p;
  if (!p || lenp <= 0)
    return ((void *)0);
  endp = p + lenp;
  while (p < endp && !memchr(q, *p, lenq))
    p++;
  if (p == endp)
    return ((void *)0);
  return p;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<memchrs>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdx,%rdx
  je     L48
  test   %ecx,%ecx
  jle    L48
  test   %rdi,%rdi
  je     L41
  test   %esi,%esi
  jle    L41
  movslq %esi,%rsi
  lea    (%rdi,%rsi,1),%rbx
  cmp    %rbx,%rdi
  jae    L59
  mov    %rdx,%r13
  movslq %ecx,%rbp
  jmp    L63
  nopw   0x0(%rax,%rax,1)
L24:
  add    $0x1,%r12
  cmp    %r12,%rbx
  je     L41
L63:
  movsbl (%r12),%esi
  mov    %rbp,%rdx
  mov    %r13,%rdi
  call   <memchr@plt>
  test   %rax,%rax
  je     L24
L59:
  cmp    %r12,%rbx
  je     L41
L48:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L41:
  add    $0x8,%rsp
  xor    %r12d,%r12d
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *memchrs(char *p, int lenp, char *q, int lenq) {
  char *endp;
  if (!q || lenq <= 0)
    return p;
  if (!p || lenp <= 0)
    return ((void *)0);
  endp = p + lenp;
  while (p < endp && !memchr(q, *p, lenq))
    p++;
  if (p == endp)
    return ((void *)0);
  return p;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<memchrs>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdx,%rdx
  je     L7
  test   %ecx,%ecx
  jle    L7
  test   %rdi,%rdi
  je     L86
  test   %esi,%esi
  jle    L86
  movslq %esi,%rsi
  lea    (%rdi,%rsi,1),%rbx
  cmp    %rbx,%rdi
  jae    L50
  mov    %rdx,%r13
  movslq %ecx,%rbp
  jmp    L68
  nopw   0x0(%rax,%rax,1)
L40:
  add    $0x1,%r12
  cmp    %r12,%rbx
  je     L86
L68:
  movsbl (%r12),%esi
  mov    %rbp,%rdx
  mov    %r13,%rdi
  call   <memchr@plt>
  test   %rax,%rax
  je     L40
L50:
  cmp    %r12,%rbx
  je     L86
L7:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L86:
  add    $0x8,%rsp
  xor    %r12d,%r12d
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *memchrs(char *p, int lenp, char *q, int lenq) {
  char *endp;
  if (!q || lenq <= 0)
    return p;
  if (!p || lenp <= 0)
    return ((void *)0);
  endp = p + lenp;
  while (p < endp && !memchr(q, *p, lenq))
    p++;
  if (p == endp)
    return ((void *)0);
  return p;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<nl_nid_addr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L15
  mov    $0x0,%eax
  call   <nl_oom@plt>
L15:
  mov    -0x10(%rbp),%rax
  mov    $0x40,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L13
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
L13:
  mov    -0x10(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *nl_nid_addr(char *nid) {
  char *addr, *p;
  addr = strdup(nid);
  if (!addr)
    nl_oom();
  p = strchr(addr, '@');
  if (p)
    *p = '\0';
  return addr;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<nl_nid_addr>:
  endbr64
  push   %rbx
  call   <strdup@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L12
L14:
  mov    $0x40,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L28
  movb   $0x0,(%rax)
L28:
  mov    %rbx,%rax
  pop    %rbx
  ret
L12:
  mov    $0x0,%eax
  call   <nl_oom@plt>
  jmp    L14
```

assistant: ```c
char *nl_nid_addr(char *nid) {
  char *addr, *p;
  addr = strdup(nid);
  if (!addr)
    nl_oom();
  p = strchr(addr, '@');
  if (p)
    *p = '\0';
  return addr;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<nl_nid_addr>:
  endbr64
  push   %r12
  call   <strdup@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L8
L19:
  mov    $0x40,%esi
  mov    %r12,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L28
  movb   $0x0,(%rax)
L28:
  mov    %r12,%rax
  pop    %r12
  ret
L8:
  xor    %eax,%eax
  call   <nl_oom@plt>
  jmp    L19
```

assistant: ```c
char *nl_nid_addr(char *nid) {
  char *addr, *p;
  addr = strdup(nid);
  if (!addr)
    nl_oom();
  p = strchr(addr, '@');
  if (p)
    *p = '\0';
  return addr;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<nl_nid_addr>:
  endbr64
  push   %r12
  call   <strdup@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L18
L17:
  mov    $0x40,%esi
  mov    %r12,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L13
  movb   $0x0,(%rax)
L13:
  mov    %r12,%rax
  pop    %r12
  ret
L18:
  xor    %eax,%eax
  call   <nl_oom@plt>
  jmp    L17
```

assistant: ```c
char *nl_nid_addr(char *nid) {
  char *addr, *p;
  addr = strdup(nid);
  if (!addr)
    nl_oom();
  p = strchr(addr, '@');
  if (p)
    *p = '\0';
  return addr;
}
```
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
  lea    -0xf000(%rsp),%r11
L18:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L18
  sub    $0xa20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
L23:
  lea    -0xfa10(%rbp),%rax
  mov    $0xfa00,%edx
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <read@plt>
  mov    %eax,-0xfa14(%rbp)
  mov    $0x2710,%edi
  call   <usleep@plt>
  cmpl   $0x0,-0xfa14(%rbp)
  jle    L32
  mov    -0xfa14(%rbp),%edx
  lea    -0xfa10(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <write@plt>
  jmp    L23
L32:
  nop
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L29
  call   <__stack_chk_fail@plt>
L29:
  leave
  ret
```

assistant: ```c
int main() {
  char buf[64000];
  int n;
  while (1) {
    n = read(0, buf, sizeof(buf));
    usleep(10000);
    if (n <= 0) {
      break;
    }
    write(1, buf, n);
  }
  return 0;
}
```