ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D24(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  test   %eax,%eax
  je     L118
L46:
  cmp    $0x1,%eax
  je     L84
L196:
  cmp    $0x2,%eax
  je     L208
L53:
  cmp    $0x3,%eax
  je     L120
L130:
  cmp    $0x4,%eax
  je     L148
L86:
  cmp    $0x5,%eax
  je     L115
L44:
  cmp    $0x6,%eax
  je     L20
L113:
  cmp    $0x7,%eax
  je     L126
L152:
  cmp    $0x8,%eax
  je     L143
L12:
  cmp    $0x9,%eax
  je     L183
L122:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L106
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L118:
  lea    D92(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L46
L183:
  lea    D104(%rip),%rdi
  call   <printf@plt>
  jmp    L122
L143:
  lea    D76(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L12
L126:
  lea    D83(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L152
L20:
  lea    D47(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L113
L115:
  lea    D58(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L44
L148:
  lea    D106(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L86
L120:
  lea    D22(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L130
L208:
  lea    D7(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L53
L84:
  lea    D102(%rip),%rdi
  call   <printf@plt>
  mov    0x4(%rsp),%eax
  jmp    L196
L106:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D24
type_guessed: string
name: disassemble_data
arguments: data_tag: D92
type_guessed: string
name: disassemble_data
arguments: data_tag: D104
type_guessed: string
name: disassemble_data
arguments: data_tag: D76
type_guessed: string
name: disassemble_data
arguments: data_tag: D83
type_guessed: string
name: disassemble_data
arguments: data_tag: D47
type_guessed: string
name: disassemble_data
arguments: data_tag: D58
type_guessed: string
name: disassemble_data
arguments: data_tag: D106
type_guessed: string
name: disassemble_data
arguments: data_tag: D22
type_guessed: string
name: disassemble_data
arguments: data_tag: D7
type_guessed: string
name: disassemble_data
arguments: data_tag: D102
type_guessed: string

tool: D24: %d

tool: D92: zero

tool: D104: nine

tool: D76: eight

tool: D83: seven

tool: D47: six

tool: D58: five

tool: D106: four

tool: D22: three

tool: D7: two

tool: D102: one

assistant: ```c
int main() {
  int a;
  scanf("%d", &a);
  if (a >= 0 | a < 10) {
    if (a == 0)
      printf("zero");
    if (a == 1)
      printf("one");
    if (a == 2)
      printf("two");
    if (a == 3)
      printf("three");
    if (a == 4)
      printf("four");
    if (a == 5)
      printf("five");
    if (a == 6)
      printf("six");
    if (a == 7)
      printf("seven");
    if (a == 8)
      printf("eight");
    if (a == 9)
      printf("nine");
  } else
    printf("do not acceptable number");
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<basename>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L33
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L26
L33:
  lea    D3(%rip),%rax
  jmp    L80
L26:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L9
L82:
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jne    L40
  mov    -0x18(%rbp),%rax
  jmp    L80
L40:
  mov    -0x8(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movb   $0x0,(%rax)
L9:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  je     L82
  jmp    L12
L93:
  subq   $0x1,-0x8(%rbp)
L12:
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L88
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L93
L88:
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
L80:
  leave
  ret
```

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

tool: D3: .

assistant: ```c
char *basename(char *path) {
  char *p;
  if (path == NULL || *path == '\0')
    return ".";
  p = path + strlen(path) - 1;
  while (*p == '/') {
    if (p == path)
      return path;
    *p-- = '\0';
  }
  while (p >= path && *p != '/')
    p--;
  return p + 1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<basename>:
  endbr64
  lea    D1(%rip),%rax
  test   %rdi,%rdi
  je     L57
  push   %rbx
  mov    %rdi,%rbx
  cmpb   $0x0,(%rdi)
  jne    L64
L93:
  pop    %rbx
  ret
L64:
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbx,%rax,1),%rax
  cmpb   $0x2f,(%rax)
  jne    L15
  cmp    %rax,%rbx
  je     L93
L66:
  sub    $0x1,%rax
  movb   $0x0,0x1(%rax)
  cmpb   $0x2f,(%rax)
  jne    L15
  cmp    %rax,%rbx
  jne    L66
  jmp    L93
L15:
  cmp    %rax,%rbx
  ja     L8
L0:
  cmpb   $0x2f,(%rax)
  je     L8
  sub    $0x1,%rax
  cmp    %rax,%rbx
  jbe    L0
L8:
  add    $0x1,%rax
  jmp    L93
L57:
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D1
datatype: string

tool: D1: .

assistant: ```c
char *basename(char *path) {
  char *p;
  if (path == NULL || *path == '\0')
    return ".";
  p = path + strlen(path) - 1;
  while (*p == '/') {
    if (p == path)
      return path;
    *p-- = '\0';
  }
  while (p >= path && *p != '/')
    p--;
  return p + 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<basename>:
  endbr64
  lea    D9(%rip),%rax
  test   %rdi,%rdi
  je     L29
  cmpb   $0x0,(%rdi)
  push   %rbx
  mov    %rdi,%rbx
  jne    L3
L91:
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L3:
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbx,%rax,1),%rax
  cmpb   $0x2f,(%rax)
  je     L57
  jmp    L27
  nopl   0x0(%rax,%rax,1)
L66:
  sub    $0x1,%rax
  movb   $0x0,0x1(%rax)
  cmpb   $0x2f,(%rax)
  jne    L27
L57:
  cmp    %rax,%rbx
  jne    L66
  jmp    L91
  nopl   0x0(%rax)
L27:
  cmp    %rax,%rbx
  jbe    L0
  add    $0x1,%rax
L31:
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L67:
  lea    -0x1(%rax),%rdx
  cmp    %rdx,%rbx
  ja     L91
  mov    %rdx,%rax
L0:
  cmpb   $0x2f,(%rax)
  jne    L67
  add    $0x1,%rax
  jmp    L31
  nopw   0x0(%rax,%rax,1)
L29:
  ret
```

tool_calls: name: read_data
arguments: data_label: D9
type_infered: string

tool: D9: .

assistant: ```c
char *basename(char *path) {
  char *p;
  if (path == NULL || *path == '\0')
    return ".";
  p = path + strlen(path) - 1;
  while (*p == '/') {
    if (p == path)
      return path;
    *p-- = '\0';
  }
  while (p >= path && *p != '/')
    p--;
  return p + 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<basename>:
  endbr64
  lea    D2(%rip),%rax
  test   %rdi,%rdi
  je     L13
  cmpb   $0x0,(%rdi)
  push   %rbx
  mov    %rdi,%rbx
  jne    L91
L2:
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L91:
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbx,%rax,1),%rax
  cmpb   $0x2f,(%rax)
  je     L95
  jmp    L96
  nopl   0x0(%rax,%rax,1)
L86:
  sub    $0x1,%rax
  movb   $0x0,0x1(%rax)
  cmpb   $0x2f,(%rax)
  jne    L96
L95:
  cmp    %rax,%rbx
  jne    L86
  jmp    L2
  nopl   0x0(%rax)
L96:
  cmp    %rax,%rbx
  jbe    L0
  add    $0x1,%rax
L88:
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L80:
  lea    -0x1(%rax),%rdx
  cmp    %rdx,%rbx
  ja     L2
  mov    %rdx,%rax
L0:
  cmpb   $0x2f,(%rax)
  jne    L80
  add    $0x1,%rax
  jmp    L88
  nopw   0x0(%rax,%rax,1)
L13:
  ret
```

tool_calls: name: parse_data
arguments: data_label: D2
type_guessed: string

tool: D2: .

assistant: ```c
char *basename(char *path) {
  char *p;
  if (path == NULL || *path == '\0')
    return ".";
  p = path + strlen(path) - 1;
  while (*p == '/') {
    if (p == path)
      return path;
    *p-- = '\0';
  }
  while (p >= path && *p != '/')
    p--;
  return p + 1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<flashNTimes>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L17
L11:
  lea    D29(%rip),%rax
  mov    %rax,%rsi
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  mov    $0x0,%edi
  call   <sleep@plt>
  lea    D39(%rip),%rax
  mov    %rax,%rsi
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  mov    $0x0,%edi
  call   <sleep@plt>
  addl   $0x1,-0x4(%rbp)
L17:
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L11
  nop
  nop
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D29
datatype: string
name: read_data
arguments: data_tag: D30
datatype: string
name: read_data
arguments: data_tag: D39
datatype: string

tool: D29: 1

tool: D30: /sys/class/leds/beaglebone:green:usr0/brightness

tool: D39: 0

assistant: ```c
void flashNTimes(int times) {
  for (int i = 0; i < times; i++) {
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "1");
    sleep(0, 100000000);
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "0");
    sleep(0, 100000000);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<flashNTimes>:
  endbr64
  test   %edi,%edi
  jle    L14
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    $0x0,%ebx
  lea    D29(%rip),%r14
  lea    D21(%rip),%rbp
  lea    D15(%rip),%r13
L5:
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  mov    $0x0,%edi
  call   <sleep@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  mov    $0x0,%edi
  call   <sleep@plt>
  add    $0x1,%ebx
  cmp    %ebx,%r12d
  jne    L5
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L14:
  ret
```

tool_calls: name: unpack_data
arguments: label: D29
type_guessed: string
name: unpack_data
arguments: label: D21
type_guessed: string
name: unpack_data
arguments: label: D15
type_guessed: string

tool: D29: 1

tool: D21: /sys/class/leds/beaglebone:green:usr0/brightness

tool: D15: 0

assistant: ```c
void flashNTimes(int times) {
  for (int i = 0; i < times; i++) {
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "1");
    sleep(0, 100000000);
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "0");
    sleep(0, 100000000);
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<flashNTimes>:
  endbr64
  test   %edi,%edi
  jle    L5
  push   %r14
  lea    D4(%rip),%r14
  push   %r13
  lea    D28(%rip),%r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  lea    D8(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L16:
  mov    %r14,%rsi
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  xor    %edi,%edi
  call   <sleep@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  xor    %edi,%edi
  call   <sleep@plt>
  cmp    %ebx,%r12d
  jne    L16
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nop
L5:
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D4
datatype: string
name: disassemble_data
arguments: tag: D28
datatype: string
name: disassemble_data
arguments: tag: D8
datatype: string

tool: D4: 1

tool: D28: 0

tool: D8: /sys/class/leds/beaglebone:green:usr0/brightness

assistant: ```c
void flashNTimes(int times) {
  for (int i = 0; i < times; i++) {
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "1");
    sleep(0, 100000000);
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "0");
    sleep(0, 100000000);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<flashNTimes>:
  endbr64
  test   %edi,%edi
  jle    L19
  push   %r14
  lea    D14(%rip),%r14
  push   %r13
  lea    D6(%rip),%r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  lea    D24(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L4:
  mov    %r14,%rsi
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  xor    %edi,%edi
  call   <sleep@plt>
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <writeToLED@plt>
  mov    $0x5f5e100,%esi
  xor    %edi,%edi
  call   <sleep@plt>
  cmp    %ebx,%r12d
  jne    L4
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nop
L19:
  ret
```

tool_calls: name: read_data
arguments: data_tag: D14
type_guessed: string
name: read_data
arguments: data_tag: D6
type_guessed: string
name: read_data
arguments: data_tag: D24
type_guessed: string

tool: D14: 1

tool: D6: 0

tool: D24: /sys/class/leds/beaglebone:green:usr0/brightness

assistant: ```c
void flashNTimes(int times) {
  for (int i = 0; i < times; i++) {
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "1");
    sleep(0, 100000000);
    writeToLED("/sys/class/leds/beaglebone:green:usr0/brightness", "0");
    sleep(0, 100000000);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<malloc_multiply>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  je     L47
  mov    $0x0,%ecx
  mov    -0x8(%rbp),%rax
  mulq   -0x10(%rbp)
  jno    L38
  mov    $0x1,%ecx
L38:
  mov    %rcx,%rax
  test   %rax,%rax
  je     L47
  mov    $0x1,%eax
  jmp    L18
L47:
  mov    $0x0,%eax
L18:
  mov    $0x0,%esi
  mov    %eax,%edi
  call   <__builtin_expect@plt>
  test   %rax,%rax
  je     L1
  mov    $0x0,%eax
  jmp    L23
L1:
  mov    -0x8(%rbp),%rax
  imul   -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
L23:
  leave
  ret
```

assistant: ```c
__attribute__((malloc)) __attribute__((alloc_size(1, 2))) void *malloc_multiply(size_t a, size_t b) {
  if ((__builtin_expect(!!(b != 0 && a > ((size_t)-1) / b), 0)))
    return NULL;
  return malloc(a * b);
}
```
user: What is the c source code of the assembly code below?

```asm
<malloc_multiply>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    $0x0,%edi
  test   %rsi,%rsi
  je     L15
  mov    %rbp,%rax
  mul    %rsi
  seto   %dil
  movzbl %dil,%edi
L15:
  mov    $0x0,%esi
  call   <__builtin_expect@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  jne    L7
  imul   %rbp,%rbx
  mov    %rbx,%rdi
  call   <malloc@plt>
L7:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
__attribute__((malloc)) __attribute__((alloc_size(1, 2))) void *malloc_multiply(size_t a, size_t b) {
  if ((__builtin_expect(!!(b != 0 && a > ((size_t)-1) / b), 0)))
    return NULL;
  return malloc(a * b);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<malloc_multiply>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  xor    %edi,%edi
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L7
  mov    %rbp,%rax
  mul    %rsi
  seto   %dil
  movzbl %dil,%edi
L7:
  xor    %esi,%esi
  call   <__builtin_expect@plt>
  test   %rax,%rax
  jne    L16
  imul   %rbp,%rbx
  add    $0x8,%rsp
  mov    %rbx,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1070 <malloc@plt>
  nopl   0x0(%rax,%rax,1)
L16:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
__attribute__((malloc)) __attribute__((alloc_size(1, 2))) void *malloc_multiply(size_t a, size_t b) {
  if ((__builtin_expect(!!(b != 0 && a > ((size_t)-1) / b), 0)))
    return NULL;
  return malloc(a * b);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<malloc_multiply>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  xor    %edi,%edi
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L4
  mov    %rbp,%rax
  mul    %rsi
  seto   %dil
  movzbl %dil,%edi
L4:
  xor    %esi,%esi
  call   <__builtin_expect@plt>
  test   %rax,%rax
  jne    L11
  imul   %rbp,%rbx
  add    $0x8,%rsp
  mov    %rbx,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1070 <malloc@plt>
  nopl   0x0(%rax,%rax,1)
L11:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
__attribute__((malloc)) __attribute__((alloc_size(1, 2))) void *malloc_multiply(size_t a, size_t b) {
  if ((__builtin_expect(!!(b != 0 && a > ((size_t)-1) / b), 0)))
    return NULL;
  return malloc(a * b);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<getentropy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0xffffffff,-0x4(%rbp)
  cmpq   $0x100,-0x20(%rbp)
  jbe    L0
  mov    D24(%rip),%rax
  mov    (%rax),%edx
  mov    D10(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L4
L0:
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <getentropy_urandom@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0xffffffff,-0x4(%rbp)
  je     L39
  mov    -0x4(%rbp),%eax
  jmp    L4
L39:
  mov    D24(%rip),%rax
  mov    (%rax),%edx
  mov    D10(%rip),%rax
  mov    %edx,(%rax)
  mov    -0x4(%rbp),%eax
L4:
  leave
  ret
```

assistant: ```c
int getentropy(void *buf, size_t len) {
  int ret = -1;
  if (len > 256) {
    errno = EIO;
    return -1;
  }
  ret = getentropy_urandom(buf, len);
  if (ret != -1)
    return (ret);
  errno = EIO;
  return (ret);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<getentropy>:
  endbr64
  cmp    $0x100,%rsi
  ja     L18
  sub    $0x8,%rsp
  call   <getentropy_urandom@plt>
  cmp    $0xffffffff,%eax
  jne    L9
  mov    D36(%rip),%rdx
  mov    (%rdx),%ecx
  mov    D8(%rip),%rdx
  mov    %ecx,(%rdx)
L9:
  add    $0x8,%rsp
  ret
L18:
  mov    D36(%rip),%rax
  mov    (%rax),%edx
  mov    D8(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int getentropy(void *buf, size_t len) {
  int ret = -1;
  if (len > 256) {
    errno = EIO;
    return -1;
  }
  ret = getentropy_urandom(buf, len);
  if (ret != -1)
    return (ret);
  errno = EIO;
  return (ret);
}
```
user: Translate the below assembly code into C programming language:

```asm
<getentropy>:
  endbr64
  cmp    $0x100,%rsi
  ja     L10
  sub    $0x8,%rsp
  call   <getentropy_urandom@plt>
  cmp    $0xffffffff,%eax
  je     L25
L14:
  add    $0x8,%rsp
  ret
L10:
  mov    D20(%rip),%rax
  mov    (%rax),%edx
  mov    D26(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L25:
  mov    D20(%rip),%rdx
  mov    (%rdx),%ecx
  mov    D26(%rip),%rdx
  mov    %ecx,(%rdx)
  jmp    L14
```

assistant: ```c
int getentropy(void *buf, size_t len) {
  int ret = -1;
  if (len > 256) {
    errno = EIO;
    return -1;
  }
  ret = getentropy_urandom(buf, len);
  if (ret != -1)
    return (ret);
  errno = EIO;
  return (ret);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<getentropy>:
  endbr64
  cmp    $0x100,%rsi
  ja     L29
  sub    $0x8,%rsp
  call   <getentropy_urandom@plt>
  cmp    $0xffffffff,%eax
  je     L2
L20:
  add    $0x8,%rsp
  ret
L29:
  mov    D33(%rip),%rax
  mov    (%rax),%edx
  mov    D20(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L2:
  mov    D33(%rip),%rdx
  mov    (%rdx),%ecx
  mov    D20(%rip),%rdx
  mov    %ecx,(%rdx)
  jmp    L20
```

assistant: ```c
int getentropy(void *buf, size_t len) {
  int ret = -1;
  if (len > 256) {
    errno = EIO;
    return -1;
  }
  ret = getentropy_urandom(buf, len);
  if (ret != -1)
    return (ret);
  errno = EIO;
  return (ret);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<strtok_r>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L143
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L143
  mov    $0x0,%eax
  jmp    L15
L143:
  nop
L39:
  mov    -0x28(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x28(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L71
L135:
  mov    -0x18(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jne    L71
  jmp    L39
L71:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jne    L135
  cmpl   $0x0,-0x18(%rbp)
  jne    L109
  mov    -0x38(%rbp),%rax
  movq   $0x0,(%rax)
  mov    $0x0,%eax
  jmp    L15
L109:
  mov    -0x28(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x8(%rbp)
L37:
  mov    -0x28(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x28(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x10(%rbp)
L54:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jne    L76
  cmpl   $0x0,-0x18(%rbp)
  jne    L111
  movq   $0x0,-0x28(%rbp)
  jmp    L132
L111:
  mov    -0x28(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
L132:
  mov    -0x38(%rbp),%rax
  mov    -0x28(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x8(%rbp),%rax
  jmp    L15
L76:
  cmpl   $0x0,-0x14(%rbp)
  jne    L54
  jmp    L37
L15:
  pop    %rbp
  ret
```

assistant: ```c
char *strtok_r(char *restrict s, const char *restrict delim, char **restrict last) {
  char *spanp;
  int c, sc;
  char *tok;
  if (s == NULL && (s = *last) == NULL)
    return (NULL);
cont:
  c = *s++;
  for (spanp = (char *)delim; (sc = *spanp++) != 0;) {
    if (c == sc)
      goto cont;
  }
  if (c == 0) {
    *last = NULL;
    return (NULL);
  }
  tok = s - 1;
  for (;;) {
    c = *s++;
    spanp = (char *)delim;
    do {
      if ((sc = *spanp++) == c) {
        if (c == 0)
          s = NULL;
        else
          s[-1] = 0;
        *last = s;
        return (tok);
      }
    } while (sc != 0);
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<strtok_r>:
  endbr64
  test   %rdi,%rdi
  jne    L91
  mov    (%rdx),%rdi
  test   %rdi,%rdi
  jne    L91
  mov    %rdi,%rax
  ret
L67:
  mov    %rax,%rdi
L91:
  lea    0x1(%rdi),%rax
  movsbl (%rdi),%r9d
  mov    %rsi,%rcx
L30:
  add    $0x1,%rcx
  movsbl -0x1(%rcx),%r8d
  test   %r8d,%r8d
  je     L92
  cmp    %r8d,%r9d
  jne    L30
  jmp    L67
L92:
  test   %r9d,%r9d
  je     L33
L105:
  add    $0x1,%rax
  movsbl -0x1(%rax),%r9d
  mov    %rsi,%rcx
L36:
  add    $0x1,%rcx
  movsbl -0x1(%rcx),%r8d
  cmp    %r8d,%r9d
  je     L80
  test   %r8d,%r8d
  jne    L36
  jmp    L105
L33:
  movq   $0x0,(%rdx)
  mov    $0x0,%eax
  ret
L80:
  test   %r9d,%r9d
  je     L74
  movb   $0x0,-0x1(%rax)
  jmp    L7
L74:
  mov    $0x0,%eax
L7:
  mov    %rax,(%rdx)
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strtok_r(char *restrict s, const char *restrict delim, char **restrict last) {
  char *spanp;
  int c, sc;
  char *tok;
  if (s == NULL && (s = *last) == NULL)
    return (NULL);
cont:
  c = *s++;
  for (spanp = (char *)delim; (sc = *spanp++) != 0;) {
    if (c == sc)
      goto cont;
  }
  if (c == 0) {
    *last = NULL;
    return (NULL);
  }
  tok = s - 1;
  for (;;) {
    c = *s++;
    spanp = (char *)delim;
    do {
      if ((sc = *spanp++) == c) {
        if (c == 0)
          s = NULL;
        else
          s[-1] = 0;
        *last = s;
        return (tok);
      }
    } while (sc != 0);
  }
}
```