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

```asm
<file_readline>:
  endbr64
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  mov    $0xffffffffffffdbfe,%r14
  push   %r13
  lea    -0x1(%rdx),%r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  jmp    L39
  nopl   0x0(%rax,%rax,1)
L11:
  cmp    %r15,%r13
  je     L33
  add    $0x1,%r15
  mov    %bl,-0x1(%r12,%r15,1)
L39:
  mov    %rbp,%rdi
  call   <fgetc@plt>
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <feof@plt>
  test   %eax,%eax
  jne    L33
  cmp    $0xd,%bl
  ja     L11
  bt     %rbx,%r14
  jb     L11
L33:
  movb   $0x0,(%r12,%r15,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void file_readline(FILE *file, char *buffer, size_t size) {
  char c;
  size_t pos = 0;
  int ok = 1;
  while (ok) {
    c = fgetc(file);
    if (!feof(file) && c != 13 && c != 10 && c != 0 && pos < (size - 1))
      buffer[pos++] = c;
    else
      ok = 0;
  }
  buffer[pos] = 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<file_readline>:
  endbr64
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  mov    $0xffffffffffffdbfe,%r14
  push   %r13
  lea    -0x1(%rdx),%r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  jmp    L13
  nopl   0x0(%rax,%rax,1)
L36:
  cmp    %r15,%r13
  je     L44
  add    $0x1,%r15
  mov    %bl,-0x1(%r12,%r15,1)
L13:
  mov    %rbp,%rdi
  call   <fgetc@plt>
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <feof@plt>
  test   %eax,%eax
  jne    L44
  cmp    $0xd,%bl
  ja     L36
  bt     %rbx,%r14
  jb     L36
L44:
  movb   $0x0,(%r12,%r15,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void file_readline(FILE *file, char *buffer, size_t size) {
  char c;
  size_t pos = 0;
  int ok = 1;
  while (ok) {
    c = fgetc(file);
    if (!feof(file) && c != 13 && c != 10 && c != 0 && pos < (size - 1))
      buffer[pos++] = c;
    else
      ok = 0;
  }
  buffer[pos] = 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<uart_recv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
L14:
  mov    $0x20215054,%edi
  call   <GET32@plt>
  and    $0x1,%eax
  test   %eax,%eax
  jne    L12
  jmp    L14
L12:
  nop
  mov    $0x20215040,%edi
  call   <GET32@plt>
  movzbl %al,%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int uart_recv(void) {
  while (1) {
    if (GET32(0x20215054) & 0x01)
      break;
  }
  return (GET32(0x20215040) & 0xFF);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<uart_recv>:
  endbr64
  sub    $0x8,%rsp
L2:
  mov    $0x20215054,%edi
  call   <GET32@plt>
  test   $0x1,%al
  je     L2
  mov    $0x20215040,%edi
  call   <GET32@plt>
  movzbl %al,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
unsigned int uart_recv(void) {
  while (1) {
    if (GET32(0x20215054) & 0x01)
      break;
  }
  return (GET32(0x20215040) & 0xFF);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<uart_recv>:
  endbr64
  sub    $0x8,%rsp
  nopl   0x0(%rax,%rax,1)
L9:
  mov    $0x20215054,%edi
  call   <GET32@plt>
  test   $0x1,%al
  je     L9
  mov    $0x20215040,%edi
  call   <GET32@plt>
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
unsigned int uart_recv(void) {
  while (1) {
    if (GET32(0x20215054) & 0x01)
      break;
  }
  return (GET32(0x20215040) & 0xFF);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<uart_recv>:
  endbr64
  sub    $0x8,%rsp
  nopl   0x0(%rax,%rax,1)
L8:
  mov    $0x20215054,%edi
  call   <GET32@plt>
  test   $0x1,%al
  je     L8
  mov    $0x20215040,%edi
  call   <GET32@plt>
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
unsigned int uart_recv(void) {
  while (1) {
    if (GET32(0x20215054) & 0x01)
      break;
  }
  return (GET32(0x20215040) & 0xFF);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<findAndReplace>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,%ecx
  mov    %edx,%eax
  mov    %ecx,%edx
  mov    %dl,-0x1c(%rbp)
  mov    %al,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L20
L10:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x1c(%rbp)
  jne    L0
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  movzbl -0x20(%rbp),%eax
  mov    %al,(%rdx)
L0:
  addl   $0x1,-0x8(%rbp)
L20:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L10
  nop
  nop
  leave
  ret
```

assistant: ```c
void findAndReplace(char a[], char orig, char replacement) {
  int len = strlen(a);
  int i = 0;
  for (i = 0; i < len; i++) {
    if (a[i] == orig) {
      a[i] = replacement;
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<findAndReplace>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %esi,%ebx
  mov    %edx,%r12d
  call   <strlen@plt>
  test   %eax,%eax
  jle    L45
  mov    %rbp,%rdx
  lea    -0x1(%rax),%eax
  lea    0x1(%rbp,%rax,1),%rax
  jmp    L36
L3:
  add    $0x1,%rdx
  cmp    %rax,%rdx
  je     L45
L36:
  cmp    %bl,(%rdx)
  jne    L3
  mov    %r12b,(%rdx)
  jmp    L3
L45:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void findAndReplace(char a[], char orig, char replacement) {
  int len = strlen(a);
  int i = 0;
  for (i = 0; i < len; i++) {
    if (a[i] == orig) {
      a[i] = replacement;
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<findAndReplace>:
  endbr64
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  test   %eax,%eax
  jle    L16
  sub    $0x1,%eax
  mov    %rbx,%rdi
  lea    0x1(%rbx,%rax,1),%rax
  nopl   0x0(%rax)
L4:
  cmp    %bpl,(%rdi)
  jne    L29
  mov    %r12b,(%rdi)
L29:
  add    $0x1,%rdi
  cmp    %rax,%rdi
  jne    L4
L16:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void findAndReplace(char a[], char orig, char replacement) {
  int len = strlen(a);
  int i = 0;
  for (i = 0; i < len; i++) {
    if (a[i] == orig) {
      a[i] = replacement;
    }
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<findAndReplace>:
  endbr64
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  test   %eax,%eax
  jle    L15
  sub    $0x1,%eax
  mov    %rbx,%rdi
  lea    0x1(%rbx,%rax,1),%rax
  nopl   0x0(%rax)
L4:
  cmp    %bpl,(%rdi)
  jne    L1
  mov    %r12b,(%rdi)
L1:
  add    $0x1,%rdi
  cmp    %rax,%rdi
  jne    L4
L15:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void findAndReplace(char a[], char orig, char replacement) {
  int len = strlen(a);
  int i = 0;
  for (i = 0; i < len; i++) {
    if (a[i] == orig) {
      a[i] = replacement;
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<SerializeFloat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  movss  %xmm0,-0x2c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x10(%rbp)
  mov    -0x2c(%rbp),%ecx
  lea    -0x14(%rbp),%rdx
  lea    -0x18(%rbp),%rax
  movd   %ecx,%xmm0
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <FlattenFloat@plt>
  mov    -0x18(%rbp),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <i32_to_be_buf@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  mov    %eax,(%rdx)
  addq   $0x4,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
size_t SerializeFloat(uint8_t *buf, float number) {
  int32_t mant;
  int8_t exp;
  size_t result = 0;
  FlattenFloat(&mant, &exp, number);
  result = i32_to_be_buf(buf, mant);
  buf[result] = exp;
  result += sizeof(uint8_t);
  return result;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<SerializeFloat>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <FlattenFloat@plt>
  mov    (%rsp),%esi
  mov    %rbx,%rdi
  call   <i32_to_be_buf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,(%rbx,%rax,4)
  add    $0x4,%rax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x10,%rsp
  pop    %rbx
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t SerializeFloat(uint8_t *buf, float number) {
  int32_t mant;
  int8_t exp;
  size_t result = 0;
  FlattenFloat(&mant, &exp, number);
  result = i32_to_be_buf(buf, mant);
  buf[result] = exp;
  result += sizeof(uint8_t);
  return result;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<SerializeFloat>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <FlattenFloat@plt>
  mov    (%rsp),%esi
  mov    %rbx,%rdi
  call   <i32_to_be_buf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,(%rbx,%rax,4)
  add    $0x4,%rax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x10,%rsp
  pop    %rbx
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t SerializeFloat(uint8_t *buf, float number) {
  int32_t mant;
  int8_t exp;
  size_t result = 0;
  FlattenFloat(&mant, &exp, number);
  result = i32_to_be_buf(buf, mant);
  buf[result] = exp;
  result += sizeof(uint8_t);
  return result;
}
```
user: What is the c source code of the assembly code below?

```asm
<SerializeFloat>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <FlattenFloat@plt>
  mov    (%rsp),%esi
  mov    %rbx,%rdi
  call   <i32_to_be_buf@plt>
  mov    0x4(%rsp),%edx
  mov    %edx,(%rbx,%rax,4)
  add    $0x4,%rax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L9
  add    $0x10,%rsp
  pop    %rbx
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t SerializeFloat(uint8_t *buf, float number) {
  int32_t mant;
  int8_t exp;
  size_t result = 0;
  FlattenFloat(&mant, &exp, number);
  result = i32_to_be_buf(buf, mant);
  buf[result] = exp;
  result += sizeof(uint8_t);
  return result;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<test_16>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  lea    D9(%rip),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <__analyzer_eval@plt>
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x68,%al
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <__analyzer_eval@plt>
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x65,%al
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <__analyzer_eval@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0xb,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <__analyzer_eval@plt>
  mov    -0x8(%rbp),%rax
  add    $0x64,%rax
  movzbl (%rax),%eax
  cmp    $0x65,%al
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <__analyzer_eval@plt>
  nop
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D9
type: string

tool: D9: hello world

assistant: ```c
void test_16(void) {
  const char *msg = "hello world";
  __analyzer_eval(msg != NULL);
  __analyzer_eval(msg[0] == 'h');
  __analyzer_eval(msg[1] == 'e');
  __analyzer_eval(strlen(msg) == 11);
  __analyzer_eval(msg[100] == 'e');
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<set_unset_dev_flags>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  mov    %edx,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x0,%eax
  call   <get_ioctl_sock@plt>
  mov    %eax,-0x24(%rbp)
  cmpl   $0x0,-0x24(%rbp)
  jns    L36
  mov    $0xffffffff,%eax
  jmp    L66
L36:
  lea    -0x20(%rbp),%rax
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  lea    -0x1(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    -0x38(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x18(%rbp),%rdx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  cltq
  shl    $0x3,%rax
  sub    $0x8,%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  mov    D7(%rip),%rax
  mov    (%rax),%ecx
  lea    -0x20(%rbp),%rdx
  mov    -0x24(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <ioctl@plt>
  test   %rax,%rax
  jns    L15
  mov    $0xffffffff,%eax
  jmp    L66
L15:
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  lea    -0x1(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    -0x38(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x18(%rbp),%rdx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  cltq
  shl    $0x3,%rax
  sub    $0x8,%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  cmpl   $0x0,-0x40(%rbp)
  je     L27
  mov    -0x20(%rbp),%eax
  or     -0x3c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  jmp    L70
L27:
  mov    -0x20(%rbp),%edx
  mov    -0x3c(%rbp),%eax
  not    %eax
  and    %edx,%eax
  mov    %eax,-0x20(%rbp)
L70:
  mov    D52(%rip),%rax
  mov    (%rax),%ecx
  lea    -0x20(%rbp),%rdx
  mov    -0x24(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <ioctl@plt>
  test   %rax,%rax
  jns    L9
  mov    $0xffffffff,%eax
  jmp    L66
L9:
  mov    $0x0,%eax
L66:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L86
  call   <__stack_chk_fail@plt>
L86:
  leave
  ret
```

assistant: ```c
int set_unset_dev_flags(char *ifname, int flags, int set) {
  struct ifreq ifr;
  int s;
  s = get_ioctl_sock();
  if (s < 0)
    return -1;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0)
    return -1;
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (set)
    ifr.ifr_flags |= flags;
  else
    ifr.ifr_flags &= ~flags;
  if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0)
    return -1;
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<set_unset_dev_flags>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r12
  mov    %esi,%ebx
  mov    %edx,%r13d
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <get_ioctl_sock@plt>
  test   %eax,%eax
  js     L4
  mov    %eax,%ebp
  mov    %rsp,%r14
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %r14,%rdi
  call   <memset@plt>
  mov    D35(%rip),%r15
  mov    (%r15),%eax
  lea    -0x1(%rax),%edx
  mov    %r12,%rsi
  mov    0x8(%rsp),%rdi
  call   <strncpy@plt>
  movslq (%r15),%rdx
  mov    0x8(%rsp),%rax
  movq   $0x0,-0x8(%rax,%rdx,8)
  mov    %r14,%rdx
  mov    D16(%rip),%rax
  mov    (%rax),%esi
  mov    %ebp,%edi
  call   <ioctl@plt>
  test   %rax,%rax
  js     L20
  mov    D35(%rip),%r14
  mov    (%r14),%eax
  lea    -0x1(%rax),%edx
  mov    %r12,%rsi
  mov    0x8(%rsp),%rdi
  call   <strncpy@plt>
  movslq (%r14),%rdx
  mov    0x8(%rsp),%rax
  movq   $0x0,-0x8(%rax,%rdx,8)
  test   %r13d,%r13d
  je     L44
  or     (%rsp),%ebx
L16:
  mov    %ebx,(%rsp)
  mov    %rsp,%rdx
  mov    D30(%rip),%rax
  mov    (%rax),%esi
  mov    %ebp,%edi
  call   <ioctl@plt>
  sar    $0x3f,%rax
L9:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L44:
  not    %ebx
  and    (%rsp),%ebx
  jmp    L16
L4:
  mov    $0xffffffff,%eax
  jmp    L9
L20:
  mov    $0xffffffff,%eax
  jmp    L9
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_unset_dev_flags(char *ifname, int flags, int set) {
  struct ifreq ifr;
  int s;
  s = get_ioctl_sock();
  if (s < 0)
    return -1;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0)
    return -1;
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (set)
    ifr.ifr_flags |= flags;
  else
    ifr.ifr_flags &= ~flags;
  if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0)
    return -1;
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<set_unset_dev_flags>:
  endbr64
  push   %r15
  push   %r14
  mov    %edx,%r14d
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <get_ioctl_sock@plt>
  test   %eax,%eax
  js     L18
  mov    %rsp,%r15
  xor    %esi,%esi
  mov    $0x10,%edx
  mov    %eax,%ebp
  mov    %r15,%rdi
  call   <memset@plt>
  mov    D12(%rip),%r13
  mov    0x8(%rsp),%rdi
  mov    %r12,%rsi
  mov    0x0(%r13),%eax
  lea    -0x1(%rax),%edx
  call   <strncpy@plt>
  movslq 0x0(%r13),%rdx
  mov    0x8(%rsp),%rax
  mov    %ebp,%edi
  movq   $0x0,-0x8(%rax,%rdx,8)
  mov    D14(%rip),%rax
  mov    %r15,%rdx
  mov    (%rax),%esi
  call   <ioctl@plt>
  test   %rax,%rax
  js     L18
  mov    0x0(%r13),%eax
  mov    0x8(%rsp),%rdi
  mov    %r12,%rsi
  lea    -0x1(%rax),%edx
  call   <strncpy@plt>
  movslq 0x0(%r13),%rdx
  mov    0x8(%rsp),%rax
  movq   $0x0,-0x8(%rax,%rdx,8)
  test   %r14d,%r14d
  jne    L50
  not    %ebx
  and    (%rsp),%ebx
L53:
  mov    D7(%rip),%rax
  mov    %r15,%rdx
  mov    %ebp,%edi
  mov    %ebx,(%rsp)
  mov    (%rax),%esi
  call   <ioctl@plt>
  sar    $0x3f,%rax
L45:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L37
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L50:
  or     (%rsp),%ebx
  jmp    L53
  nopl   (%rax)
L18:
  mov    $0xffffffff,%eax
  jmp    L45
L37:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_unset_dev_flags(char *ifname, int flags, int set) {
  struct ifreq ifr;
  int s;
  s = get_ioctl_sock();
  if (s < 0)
    return -1;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0)
    return -1;
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (set)
    ifr.ifr_flags |= flags;
  else
    ifr.ifr_flags &= ~flags;
  if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0)
    return -1;
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<set_unset_dev_flags>:
  endbr64
  push   %r15
  push   %r14
  mov    %edx,%r14d
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <get_ioctl_sock@plt>
  test   %eax,%eax
  js     L7
  mov    %rsp,%r15
  xor    %esi,%esi
  mov    $0x10,%edx
  mov    %eax,%ebp
  mov    %r15,%rdi
  call   <memset@plt>
  mov    D1(%rip),%r13
  mov    0x8(%rsp),%rdi
  mov    %r12,%rsi
  mov    0x0(%r13),%eax
  lea    -0x1(%rax),%edx
  call   <strncpy@plt>
  movslq 0x0(%r13),%rdx
  mov    0x8(%rsp),%rax
  mov    %ebp,%edi
  movq   $0x0,-0x8(%rax,%rdx,8)
  mov    D10(%rip),%rax
  mov    %r15,%rdx
  mov    (%rax),%esi
  call   <ioctl@plt>
  test   %rax,%rax
  js     L7
  mov    0x0(%r13),%eax
  mov    0x8(%rsp),%rdi
  mov    %r12,%rsi
  lea    -0x1(%rax),%edx
  call   <strncpy@plt>
  movslq 0x0(%r13),%rdx
  mov    0x8(%rsp),%rax
  movq   $0x0,-0x8(%rax,%rdx,8)
  test   %r14d,%r14d
  jne    L44
  not    %ebx
  and    (%rsp),%ebx
L2:
  mov    D7(%rip),%rax
  mov    %r15,%rdx
  mov    %ebp,%edi
  mov    %ebx,(%rsp)
  mov    (%rax),%esi
  call   <ioctl@plt>
  sar    $0x3f,%rax
L32:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L46
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L44:
  or     (%rsp),%ebx
  jmp    L2
  nopl   (%rax)
L7:
  mov    $0xffffffff,%eax
  jmp    L32
L46:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_unset_dev_flags(char *ifname, int flags, int set) {
  struct ifreq ifr;
  int s;
  s = get_ioctl_sock();
  if (s < 0)
    return -1;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (ioctl(s, SIOCGIFFLAGS, &ifr) < 0)
    return -1;
  strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1);
  ifr.ifr_name[IFNAMSIZ - 1] = 0;
  if (set)
    ifr.ifr_flags |= flags;
  else
    ifr.ifr_flags &= ~flags;
  if (ioctl(s, SIOCSIFFLAGS, &ifr) < 0)
    return -1;
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<UnUnicodeHex>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x26,%al
  jne    L41
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x23,%al
  jne    L41
  mov    -0x28(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  jne    L41
  mov    -0x28(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L41
  mov    -0x28(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L41
  mov    -0x28(%rbp),%rax
  add    $0x5,%rax
  movzbl (%rax),%eax
  cmp    $0x3b,%al
  jne    L41
  mov    -0x28(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <Hex2Dec@plt>
  shl    $0x4,%eax
  mov    %eax,%ebx
  mov    -0x28(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <Hex2Dec@plt>
  add    %ebx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  jmp    L0
L41:
  mov    $0xffffffff,%eax
L0:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int UnUnicodeHex(char *S) {
  int v;
  if ((S[0] == '&') && (S[1] == '#') && (S[2] == 'x') && isxdigit(S[3]) && isxdigit(S[4]) && (S[5] == ';')) {
    v = Hex2Dec(S[3]) * 16 + Hex2Dec(S[4]);
    return (v);
  }
  return (-1);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<UnUnicodeHex>:
  endbr64
  cmpb   $0x26,(%rdi)
  jne    L98
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  cmpb   $0x23,0x1(%rdi)
  jne    L51
  cmpb   $0x78,0x2(%rdi)
  jne    L52
  movsbl 0x3(%rdi),%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L77
  movsbl 0x4(%rbx),%edi
  call   <isxdigit@plt>
  test   %rax,%rax
  je     L100
  cmpb   $0x3b,0x5(%rbx)
  jne    L68
  movsbl 0x3(%rbx),%edi
  call   <Hex2Dec@plt>
  mov    %eax,%ebp
  movsbl 0x4(%rbx),%edi
  call   <Hex2Dec@plt>
  shl    $0x4,%ebp
  add    %ebp,%eax
L2:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L98:
  mov    $0xffffffff,%eax
  ret
L51:
  mov    $0xffffffff,%eax
  jmp    L2
L52:
  mov    $0xffffffff,%eax
  jmp    L2
L77:
  mov    $0xffffffff,%eax
  jmp    L2
L100:
  mov    $0xffffffff,%eax
  jmp    L2
L68:
  mov    $0xffffffff,%eax
  jmp    L2
```

assistant: ```c
int UnUnicodeHex(char *S) {
  int v;
  if ((S[0] == '&') && (S[1] == '#') && (S[2] == 'x') && isxdigit(S[3]) && isxdigit(S[4]) && (S[5] == ';')) {
    v = Hex2Dec(S[3]) * 16 + Hex2Dec(S[4]);
    return (v);
  }
  return (-1);
}
```