ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码：

```asm
<get_value>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    $0x100,%edi
  call   <malloc@plt>
  mov    %rax,%r14
  mov    $0x100,%edi
  call   <malloc@plt>
  mov    %rax,%r15
  mov    $0x0,%ebx
  mov    $0x0,%r13d
  mov    $0x0,%ebp
  jmp    L53
L36:
  test   %r13d,%r13d
  jne    L25
  movslq %ebp,%rdx
  mov    %al,(%r14,%rdx,1)
L50:
  add    $0x1,%ebp
L85:
  add    $0x1,%rbx
L53:
  mov    %r12,%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jl     L26
  movzbl (%r12,%rbx,1),%eax
  test   %r13d,%r13d
  jne    L36
  cmp    $0x3d,%al
  jne    L36
  movslq %ebp,%rbp
  movb   $0x0,(%r14,%rbp,1)
  mov    $0x1,%r13d
  mov    $0x0,%ebp
  jmp    L85
L25:
  movslq %ebp,%rdx
  mov    %al,(%r15,%rdx,1)
  jmp    L50
L26:
  lea    D17(%rip),%rsi
  mov    %r14,%rdi
  call   <strcmp@plt>
  mov    $0x2,%ebx
  test   %rax,%rax
  jne    L10
L9:
  lea    D1(%rip),%rsi
  mov    %r14,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  mov    $0x1,%eax
  cmove  %eax,%ebx
  mov    $0x400,%edx
  mov    %r15,%rsi
  mov    %r12,%rdi
  call   <strncpy@plt>
  mov    %r14,%rdi
  call   <free@plt>
  mov    %r15,%rdi
  call   <free@plt>
  mov    %ebx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L10:
  lea    D8(%rip),%rsi
  mov    %r14,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %bl
  movzbl %bl,%ebx
  add    %ebx,%ebx
  jmp    L9
```

tool_calls: name: read_data
arguments: data_tag: D17
type_infered: string
name: read_data
arguments: data_tag: D1
type_infered: string
name: read_data
arguments: data_tag: D8
type_infered: string

tool: D17: users

tool: D1: hostname

tool: D8: user

assistant: ```c
int get_value(char *text) {
  int i;
  int j = 0;
  int returned_value = 0;
  char *t1 = (char *)malloc(256);
  char *t2 = (char *)malloc(256);
  int cond = 0;
  for (i = 0; i <= strlen(text); i++) {
    if (text[i] == '=' && cond == 0) {
      t1[j] = '\0';
      cond = 1;
      j = 0;
      continue;
    } else if (cond == 0)
      t1[j] = text[i];
    else
      t2[j] = text[i];
    j++;
  }
  if (strcmp(t1, "users") == 0 || strcmp(t1, "user") == 0)
    returned_value = 2;
  if (strcmp(t1, "hostname") == 0)
    returned_value = 1;
  strncpy(text, t2, 1024);
  free(t1);
  free(t2);
  return returned_value;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<get_value>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  mov    $0x100,%edi
  push   %r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    $0x100,%edi
  mov    %rax,%r12
  call   <malloc@plt>
  mov    %rax,%r14
  jmp    L72
  nopl   0x0(%rax,%rax,1)
L68:
  test   %r13d,%r13d
  jne    L49
  mov    %al,(%r12,%rdx,1)
L0:
  add    $0x1,%ebp
L58:
  add    $0x1,%rbx
L72:
  mov    %r15,%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jl     L40
  movzbl (%r15,%rbx,1),%eax
  movslq %ebp,%rdx
  cmp    $0x3d,%al
  jne    L68
  test   %r13d,%r13d
  je     L82
L49:
  mov    %al,(%r14,%rdx,1)
  jmp    L0
  nopl   0x0(%rax,%rax,1)
L40:
  lea    D3(%rip),%rsi
  mov    %r12,%rdi
  mov    $0x2,%r13d
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L77
L41:
  mov    %r12,%rdi
  lea    D14(%rip),%rsi
  call   <strcmp@plt>
  mov    %r14,%rsi
  mov    $0x400,%edx
  mov    %r15,%rdi
  test   %rax,%rax
  mov    $0x1,%eax
  cmove  %eax,%r13d
  call   <strncpy@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  call   <free@plt>
  add    $0x8,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L82:
  movb   $0x0,(%r12,%rdx,1)
  xor    %ebp,%ebp
  mov    $0x1,%r13d
  jmp    L58
  nopw   0x0(%rax,%rax,1)
L77:
  lea    D8(%rip),%rsi
  mov    %r12,%rdi
  xor    %r13d,%r13d
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %r13b
  add    %r13d,%r13d
  jmp    L41
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D3
type: string
name: extract_symbolic_data
arguments: data_label: D14
type: string
name: extract_symbolic_data
arguments: data_label: D8
type: string

tool: D3: users

tool: D14: hostname

tool: D8: user

assistant: ```c
int get_value(char *text) {
  int i;
  int j = 0;
  int returned_value = 0;
  char *t1 = (char *)malloc(256);
  char *t2 = (char *)malloc(256);
  int cond = 0;
  for (i = 0; i <= strlen(text); i++) {
    if (text[i] == '=' && cond == 0) {
      t1[j] = '\0';
      cond = 1;
      j = 0;
      continue;
    } else if (cond == 0)
      t1[j] = text[i];
    else
      t2[j] = text[i];
    j++;
  }
  if (strcmp(t1, "users") == 0 || strcmp(t1, "user") == 0)
    returned_value = 2;
  if (strcmp(t1, "hostname") == 0)
    returned_value = 1;
  strncpy(text, t2, 1024);
  free(t1);
  free(t2);
  return returned_value;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<get_value>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  mov    $0x100,%edi
  push   %r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    $0x100,%edi
  mov    %rax,%r12
  call   <malloc@plt>
  mov    %rax,%r14
  jmp    L13
  nopl   0x0(%rax,%rax,1)
L15:
  test   %r13d,%r13d
  jne    L38
  mov    %al,(%r12,%rdx,1)
L50:
  add    $0x1,%ebp
L5:
  add    $0x1,%rbx
L13:
  mov    %r15,%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jl     L1
  movzbl (%r15,%rbx,1),%eax
  movslq %ebp,%rdx
  cmp    $0x3d,%al
  jne    L15
  test   %r13d,%r13d
  je     L46
L38:
  mov    %al,(%r14,%rdx,1)
  jmp    L50
  nopl   0x0(%rax,%rax,1)
L1:
  lea    D2(%rip),%rsi
  mov    %r12,%rdi
  mov    $0x2,%r13d
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L42
L61:
  mov    %r12,%rdi
  lea    D8(%rip),%rsi
  call   <strcmp@plt>
  mov    %r14,%rsi
  mov    $0x400,%edx
  mov    %r15,%rdi
  test   %rax,%rax
  mov    $0x1,%eax
  cmove  %eax,%r13d
  call   <strncpy@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  call   <free@plt>
  add    $0x8,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L46:
  movb   $0x0,(%r12,%rdx,1)
  xor    %ebp,%ebp
  mov    $0x1,%r13d
  jmp    L5
  nopw   0x0(%rax,%rax,1)
L42:
  lea    D4(%rip),%rsi
  mov    %r12,%rdi
  xor    %r13d,%r13d
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %r13b
  add    %r13d,%r13d
  jmp    L61
```

tool_calls: name: disassemble_data
arguments: tag: D2
type: string
name: disassemble_data
arguments: tag: D8
type: string
name: disassemble_data
arguments: tag: D4
type: string

tool: D2: users

tool: D8: hostname

tool: D4: user

assistant: ```c
int get_value(char *text) {
  int i;
  int j = 0;
  int returned_value = 0;
  char *t1 = (char *)malloc(256);
  char *t2 = (char *)malloc(256);
  int cond = 0;
  for (i = 0; i <= strlen(text); i++) {
    if (text[i] == '=' && cond == 0) {
      t1[j] = '\0';
      cond = 1;
      j = 0;
      continue;
    } else if (cond == 0)
      t1[j] = text[i];
    else
      t2[j] = text[i];
    j++;
  }
  if (strcmp(t1, "users") == 0 || strcmp(t1, "user") == 0)
    returned_value = 2;
  if (strcmp(t1, "hostname") == 0)
    returned_value = 1;
  strncpy(text, t2, 1024);
  free(t1);
  free(t2);
  return returned_value;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<f1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    $0x0,%eax
  call   <pthread_self@plt>
  mov    %eax,%esi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x0,-0x4(%rbp)
  jmp    L9
L12:
  mov    $0x1,%edx
  lea    D13(%rip),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <write@plt>
  mov    $0x1,%edi
  call   <sleep@plt>
  addl   $0x1,-0x4(%rbp)
L9:
  cmpl   $0x9,-0x4(%rbp)
  jle    L12
  mov    $0x7b,%eax
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D1
type_guessed: string
name: read_data
arguments: data_label: D13
type_guessed: string

tool: D1: mytid=%u


tool: D13: .

assistant: ```c
void *f1(void *p) {
  int i;
  printf("mytid=%u\n", pthread_self());
  for (i = 0; i < 10; i++) {
    write(1, ".", 1);
    sleep(1);
  }
  return (void *)123;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<f1>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <pthread_self@plt>
  mov    %eax,%esi
  lea    D9(%rip),%rdi
  call   <printf@plt>
  mov    $0xa,%ebx
  lea    D14(%rip),%rbp
L5:
  mov    $0x1,%edx
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <write@plt>
  mov    $0x1,%edi
  call   <sleep@plt>
  sub    $0x1,%ebx
  jne    L5
  mov    $0x7b,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: label: D9
data_type: string
name: read_data
arguments: label: D14
data_type: string

tool: D9: mytid=%u


tool: D14: .

assistant: ```c
void *f1(void *p) {
  int i;
  printf("mytid=%u\n", pthread_self());
  for (i = 0; i < 10; i++) {
    write(1, ".", 1);
    sleep(1);
  }
  return (void *)123;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<f1>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  lea    D17(%rip),%rbp
  push   %rbx
  mov    $0xa,%ebx
  sub    $0x8,%rsp
  call   <pthread_self@plt>
  lea    D18(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  nopl   0x0(%rax,%rax,1)
L3:
  mov    $0x1,%edi
  mov    $0x1,%edx
  mov    %rbp,%rsi
  call   <write@plt>
  mov    $0x1,%edi
  call   <sleep@plt>
  sub    $0x1,%ebx
  jne    L3
  add    $0x8,%rsp
  mov    $0x7b,%eax
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: label: D17
datatype: string
name: unpack_data
arguments: label: D18
datatype: string

tool: D17: .

tool: D18: mytid=%u


assistant: ```c
void *f1(void *p) {
  int i;
  printf("mytid=%u\n", pthread_self());
  for (i = 0; i < 10; i++) {
    write(1, ".", 1);
    sleep(1);
  }
  return (void *)123;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<f1>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  lea    D14(%rip),%rbp
  push   %rbx
  mov    $0xa,%ebx
  sub    $0x8,%rsp
  call   <pthread_self@plt>
  lea    D1(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  nopl   0x0(%rax,%rax,1)
L0:
  mov    $0x1,%edi
  mov    $0x1,%edx
  mov    %rbp,%rsi
  call   <write@plt>
  mov    $0x1,%edi
  call   <sleep@plt>
  sub    $0x1,%ebx
  jne    L0
  add    $0x8,%rsp
  mov    $0x7b,%eax
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D14
type_infered: string
name: unpack_data
arguments: data_tag: D1
type_infered: string

tool: D14: .

tool: D1: mytid=%u


assistant: ```c
void *f1(void *p) {
  int i;
  printf("mytid=%u\n", pthread_self());
  for (i = 0; i < 10; i++) {
    write(1, ".", 1);
    sleep(1);
  }
  return (void *)123;
}
```
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
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  int a = a;
  return a;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  mov    $0x0,%eax
  ret
```

assistant: ```c
int main(void) {
  int a = a;
  return a;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main(void) {
  int a = a;
  return a;
}
```
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
  xor    %eax,%eax
  ret
```

assistant: ```c
int main(void) {
  int a = a;
  return a;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<get_char_len_utf8>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x10(%rbp)
  cmpl   $0x7f,-0x10(%rbp)
  ja     L132
  cmpl   $0x0,-0x10(%rbp)
  setne  %al
  movzbl %al,%eax
  jmp    L69
L132:
  mov    -0x18(%rbp),%rax
  mov    0x1(%rax),%eax
  mov    %eax,-0xc(%rbp)
  cmpl   $0xc1,-0x10(%rbp)
  jbe    L278
  cmpl   $0xdf,-0x10(%rbp)
  ja     L278
  cmpl   $0x7f,-0xc(%rbp)
  jbe    L278
  cmpl   $0xbf,-0xc(%rbp)
  ja     L278
  mov    $0x2,%eax
  jmp    L69
L278:
  mov    -0x18(%rbp),%rax
  mov    0x2(%rax),%eax
  mov    %eax,-0x8(%rbp)
  cmpl   $0x7f,-0x8(%rbp)
  jbe    L355
  cmpl   $0xbf,-0x8(%rbp)
  jbe    L70
L355:
  mov    $0x1,%eax
  jmp    L69
L70:
  cmpl   $0xe0,-0x10(%rbp)
  jne    L356
  cmpl   $0x9f,-0xc(%rbp)
  jbe    L356
  cmpl   $0xbf,-0xc(%rbp)
  ja     L356
  mov    $0x3,%eax
  jmp    L69
L356:
  cmpl   $0xed,-0x10(%rbp)
  jne    L28
  cmpl   $0x7f,-0xc(%rbp)
  jbe    L343
  cmpl   $0x9f,-0xc(%rbp)
  ja     L343
  mov    $0x3,%eax
  jmp    L69
L28:
  cmpl   $0xe0,-0x10(%rbp)
  jbe    L343
  cmpl   $0xef,-0x10(%rbp)
  ja     L343
  cmpl   $0x7f,-0xc(%rbp)
  jbe    L343
  cmpl   $0xbf,-0xc(%rbp)
  ja     L343
  mov    $0x3,%eax
  jmp    L69
L343:
  mov    -0x18(%rbp),%rax
  mov    0x3(%rax),%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x7f,-0x4(%rbp)
  jbe    L214
  cmpl   $0xbf,-0x4(%rbp)
  jbe    L328
L214:
  mov    $0x1,%eax
  jmp    L69
L328:
  cmpl   $0xf0,-0x10(%rbp)
  jne    L340
  cmpl   $0x8f,-0xc(%rbp)
  jbe    L340
  cmpl   $0xbf,-0xc(%rbp)
  ja     L340
  mov    $0x4,%eax
  jmp    L69
L340:
  cmpl   $0xf0,-0x10(%rbp)
  jbe    L204
  cmpl   $0xf3,-0x10(%rbp)
  ja     L204
  cmpl   $0x7f,-0xc(%rbp)
  jbe    L204
  cmpl   $0xbf,-0xc(%rbp)
  ja     L204
  mov    $0x4,%eax
  jmp    L69
L204:
  cmpl   $0xf4,-0x10(%rbp)
  jne    L52
  cmpl   $0x7f,-0xc(%rbp)
  jbe    L52
  cmpl   $0xbf,-0xc(%rbp)
  ja     L52
  mov    $0x4,%eax
  jmp    L69
L52:
  mov    $0x1,%eax
L69:
  pop    %rbp
  ret
```

assistant: ```c
int get_char_len_utf8(const char *str) {
  const unsigned fc = *(uint8_t *)str;
  if (fc < 0x80)
    return (fc) ? 1 : 0;
  const unsigned nc = *(uint8_t *)(str + 1);
  if (fc >= 0xC2 && fc <= 0xDF && nc >= 0x80 && nc <= 0xBF)
    return 2;
  const unsigned xc = *(uint8_t *)(str + 2);
  if (xc < 0x80 || xc > 0xBF)
    return 1;
  if (fc == 0xE0 && nc >= 0xA0 && nc <= 0xBF)
    return 3;
  if (fc == 0xED) {
    if (nc >= 0x80 && nc <= 0x9F)
      return 3;
  } else if (fc >= 0xE1 && fc <= 0xEF && nc >= 0x80 && nc <= 0xBF)
    return 3;
  const unsigned zc = *(uint8_t *)(str + 3);
  if (zc < 0x80 || zc > 0xBF)
    return 1;
  if (fc == 0xF0 && nc >= 0x90 && nc <= 0xBF)
    return 4;
  if (fc >= 0xF1 && fc <= 0xF3 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  if (fc == 0xF4 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<get_char_len_utf8>:
  endbr64
  mov    (%rdi),%eax
  cmp    $0x7f,%eax
  jbe    L47
  mov    0x1(%rdi),%ecx
  lea    -0xc2(%rax),%edx
  cmp    $0x1d,%edx
  ja     L143
  lea    -0x80(%rcx),%esi
  mov    $0x2,%edx
  cmp    $0x3f,%esi
  jbe    L110
  mov    0x2(%rdi),%esi
  add    $0xffffff80,%esi
  mov    $0x1,%edx
  cmp    $0xbf,%ecx
  setbe  %r8b
  cmp    $0x3f,%esi
  ja     L110
L185:
  mov    0x3(%rdi),%esi
  add    $0xffffff80,%esi
  mov    $0x1,%edx
  cmp    $0x3f,%esi
  ja     L110
  cmp    $0xf0,%eax
  sete   %sil
  cmp    $0x8f,%ecx
  seta   %dl
  test   %dl,%sil
  je     L41
  mov    $0x4,%edx
  test   %r8b,%r8b
  jne    L110
L41:
  lea    -0xf1(%rax),%edx
  cmp    $0x2,%edx
  ja     L56
  add    $0xffffff80,%ecx
  cmp    $0x40,%ecx
  sbb    %edx,%edx
  and    $0x3,%edx
  add    $0x1,%edx
  jmp    L110
L47:
  test   %eax,%eax
  setne  %dl
  movzbl %dl,%edx
L110:
  mov    %edx,%eax
  ret
L143:
  mov    0x2(%rdi),%esi
  add    $0xffffff80,%esi
  mov    $0x1,%edx
  cmp    $0x3f,%esi
  ja     L110
  cmp    $0xbf,%ecx
  setbe  %r8b
  lea    -0xa0(%rcx),%edx
  cmp    $0x1f,%edx
  ja     L62
  mov    $0x3,%edx
  cmp    $0xe0,%eax
  je     L110
L62:
  cmp    $0xed,%eax
  jne    L178
  lea    -0x80(%rcx),%esi
  mov    $0x3,%edx
  cmp    $0x1f,%esi
  jbe    L110
L123:
  mov    0x3(%rdi),%esi
  add    $0xffffff80,%esi
  mov    $0x1,%edx
  cmp    $0x3f,%esi
  ja     L110
L56:
  cmp    $0xf4,%eax
  sete   %dl
  cmp    $0x7f,%ecx
  seta   %al
  test   %al,%dl
  je     L202
  mov    $0x4,%edx
  test   %r8b,%r8b
  jne    L110
L202:
  mov    $0x1,%edx
  jmp    L110
L178:
  lea    -0xe1(%rax),%edx
  cmp    $0xe,%edx
  ja     L185
  lea    -0x80(%rcx),%esi
  mov    $0x3,%edx
  cmp    $0x3f,%esi
  ja     L123
  jmp    L110
```

assistant: ```c
int get_char_len_utf8(const char *str) {
  const unsigned fc = *(uint8_t *)str;
  if (fc < 0x80)
    return (fc) ? 1 : 0;
  const unsigned nc = *(uint8_t *)(str + 1);
  if (fc >= 0xC2 && fc <= 0xDF && nc >= 0x80 && nc <= 0xBF)
    return 2;
  const unsigned xc = *(uint8_t *)(str + 2);
  if (xc < 0x80 || xc > 0xBF)
    return 1;
  if (fc == 0xE0 && nc >= 0xA0 && nc <= 0xBF)
    return 3;
  if (fc == 0xED) {
    if (nc >= 0x80 && nc <= 0x9F)
      return 3;
  } else if (fc >= 0xE1 && fc <= 0xEF && nc >= 0x80 && nc <= 0xBF)
    return 3;
  const unsigned zc = *(uint8_t *)(str + 3);
  if (zc < 0x80 || zc > 0xBF)
    return 1;
  if (fc == 0xF0 && nc >= 0x90 && nc <= 0xBF)
    return 4;
  if (fc >= 0xF1 && fc <= 0xF3 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  if (fc == 0xF4 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  return 1;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<get_char_len_utf8>:
  endbr64
  mov    (%rdi),%eax
  cmp    $0x7f,%eax
  jbe    L16
  lea    -0xc2(%rax),%ecx
  mov    0x1(%rdi),%edx
  cmp    $0x1d,%ecx
  ja     L19
  lea    -0x80(%rdx),%ecx
  mov    $0x2,%r8d
  cmp    $0x3f,%ecx
  jbe    L42
  mov    0x2(%rdi),%esi
  cmp    $0xbf,%edx
  mov    $0x1,%r8d
  lea    -0x80(%rsi),%ecx
  setbe  %sil
  cmp    $0x3f,%ecx
  ja     L42
L59:
  mov    0x3(%rdi),%ecx
  mov    $0x1,%r8d
  add    $0xffffff80,%ecx
  cmp    $0x3f,%ecx
  ja     L42
  cmp    $0xf0,%eax
  sete   %dil
  cmp    $0x8f,%edx
  seta   %cl
  test   %cl,%dil
  je     L117
  mov    $0x4,%r8d
  test   %sil,%sil
  jne    L42
L117:
  lea    -0xf1(%rax),%ecx
  cmp    $0x2,%ecx
  ja     L119
  add    $0xffffff80,%edx
  cmp    $0x40,%edx
  sbb    %r8d,%r8d
  and    $0x3,%r8d
  add    $0x1,%r8d
L42:
  mov    %r8d,%eax
  ret
  nopl   (%rax)
L19:
  mov    0x2(%rdi),%esi
  mov    $0x1,%r8d
  lea    -0x80(%rsi),%ecx
  cmp    $0x3f,%ecx
  ja     L42
  cmp    $0xbf,%edx
  lea    -0xa0(%rdx),%ecx
  setbe  %sil
  cmp    $0x1f,%ecx
  ja     L172
  mov    $0x3,%r8d
  cmp    $0xe0,%eax
  je     L42
L172:
  cmp    $0xed,%eax
  jne    L183
  lea    -0x80(%rdx),%ecx
  mov    $0x3,%r8d
  cmp    $0x1f,%ecx
  jbe    L42
L1:
  mov    0x3(%rdi),%ecx
  mov    $0x1,%r8d
  add    $0xffffff80,%ecx
  cmp    $0x3f,%ecx
  ja     L42
L119:
  cmp    $0xf4,%eax
  sete   %cl
  cmp    $0x7f,%edx
  seta   %al
  test   %al,%cl
  je     L142
  mov    $0x4,%r8d
  test   %sil,%sil
  jne    L42
L142:
  mov    $0x1,%r8d
  jmp    L42
  nopl   (%rax)
L16:
  xor    %r8d,%r8d
  test   %eax,%eax
  setne  %r8b
  mov    %r8d,%eax
  ret
  nopl   (%rax)
L183:
  lea    -0xe1(%rax),%ecx
  cmp    $0xe,%ecx
  ja     L59
  lea    -0x80(%rdx),%ecx
  mov    $0x3,%r8d
  cmp    $0x3f,%ecx
  ja     L1
  jmp    L42
```

assistant: ```c
int get_char_len_utf8(const char *str) {
  const unsigned fc = *(uint8_t *)str;
  if (fc < 0x80)
    return (fc) ? 1 : 0;
  const unsigned nc = *(uint8_t *)(str + 1);
  if (fc >= 0xC2 && fc <= 0xDF && nc >= 0x80 && nc <= 0xBF)
    return 2;
  const unsigned xc = *(uint8_t *)(str + 2);
  if (xc < 0x80 || xc > 0xBF)
    return 1;
  if (fc == 0xE0 && nc >= 0xA0 && nc <= 0xBF)
    return 3;
  if (fc == 0xED) {
    if (nc >= 0x80 && nc <= 0x9F)
      return 3;
  } else if (fc >= 0xE1 && fc <= 0xEF && nc >= 0x80 && nc <= 0xBF)
    return 3;
  const unsigned zc = *(uint8_t *)(str + 3);
  if (zc < 0x80 || zc > 0xBF)
    return 1;
  if (fc == 0xF0 && nc >= 0x90 && nc <= 0xBF)
    return 4;
  if (fc >= 0xF1 && fc <= 0xF3 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  if (fc == 0xF4 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  return 1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<get_char_len_utf8>:
  endbr64
  mov    (%rdi),%eax
  cmp    $0x7f,%eax
  jbe    L25
  lea    -0xc2(%rax),%ecx
  mov    0x1(%rdi),%edx
  cmp    $0x1d,%ecx
  ja     L125
  lea    -0x80(%rdx),%ecx
  mov    $0x2,%r8d
  cmp    $0x3f,%ecx
  jbe    L116
  mov    0x2(%rdi),%esi
  cmp    $0xbf,%edx
  mov    $0x1,%r8d
  lea    -0x80(%rsi),%ecx
  setbe  %sil
  cmp    $0x3f,%ecx
  ja     L116
L129:
  mov    0x3(%rdi),%ecx
  mov    $0x1,%r8d
  add    $0xffffff80,%ecx
  cmp    $0x3f,%ecx
  ja     L116
  cmp    $0xf0,%eax
  sete   %dil
  cmp    $0x8f,%edx
  seta   %cl
  test   %cl,%dil
  je     L24
  mov    $0x4,%r8d
  test   %sil,%sil
  jne    L116
L24:
  lea    -0xf1(%rax),%ecx
  cmp    $0x2,%ecx
  ja     L21
  add    $0xffffff80,%edx
  cmp    $0x40,%edx
  sbb    %r8d,%r8d
  and    $0x3,%r8d
  add    $0x1,%r8d
L116:
  mov    %r8d,%eax
  ret
  nopl   (%rax)
L125:
  mov    0x2(%rdi),%esi
  mov    $0x1,%r8d
  lea    -0x80(%rsi),%ecx
  cmp    $0x3f,%ecx
  ja     L116
  cmp    $0xbf,%edx
  lea    -0xa0(%rdx),%ecx
  setbe  %sil
  cmp    $0x1f,%ecx
  ja     L111
  mov    $0x3,%r8d
  cmp    $0xe0,%eax
  je     L116
L111:
  cmp    $0xed,%eax
  jne    L178
  lea    -0x80(%rdx),%ecx
  mov    $0x3,%r8d
  cmp    $0x1f,%ecx
  jbe    L116
L131:
  mov    0x3(%rdi),%ecx
  mov    $0x1,%r8d
  add    $0xffffff80,%ecx
  cmp    $0x3f,%ecx
  ja     L116
L21:
  cmp    $0xf4,%eax
  sete   %cl
  cmp    $0x7f,%edx
  seta   %al
  test   %al,%cl
  je     L57
  mov    $0x4,%r8d
  test   %sil,%sil
  jne    L116
L57:
  mov    $0x1,%r8d
  jmp    L116
  nopl   (%rax)
L25:
  xor    %r8d,%r8d
  test   %eax,%eax
  setne  %r8b
  mov    %r8d,%eax
  ret
  nopl   (%rax)
L178:
  lea    -0xe1(%rax),%ecx
  cmp    $0xe,%ecx
  ja     L129
  lea    -0x80(%rdx),%ecx
  mov    $0x3,%r8d
  cmp    $0x3f,%ecx
  ja     L131
  jmp    L116
```

assistant: ```c
int get_char_len_utf8(const char *str) {
  const unsigned fc = *(uint8_t *)str;
  if (fc < 0x80)
    return (fc) ? 1 : 0;
  const unsigned nc = *(uint8_t *)(str + 1);
  if (fc >= 0xC2 && fc <= 0xDF && nc >= 0x80 && nc <= 0xBF)
    return 2;
  const unsigned xc = *(uint8_t *)(str + 2);
  if (xc < 0x80 || xc > 0xBF)
    return 1;
  if (fc == 0xE0 && nc >= 0xA0 && nc <= 0xBF)
    return 3;
  if (fc == 0xED) {
    if (nc >= 0x80 && nc <= 0x9F)
      return 3;
  } else if (fc >= 0xE1 && fc <= 0xEF && nc >= 0x80 && nc <= 0xBF)
    return 3;
  const unsigned zc = *(uint8_t *)(str + 3);
  if (zc < 0x80 || zc > 0xBF)
    return 1;
  if (fc == 0xF0 && nc >= 0x90 && nc <= 0xBF)
    return 4;
  if (fc >= 0xF1 && fc <= 0xF3 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  if (fc == 0xF4 && nc >= 0x80 && nc <= 0xBF)
    return 4;
  return 1;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<vec4_ceil>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  movd   %eax,%xmm0
  call   <ceilf@plt>
  movd   %xmm0,%eax
  mov    -0x18(%rbp),%rdx
  mov    %eax,(%rdx)
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  mov    -0x18(%rbp),%rdx
  lea    0x4(%rdx),%rbx
  movd   %eax,%xmm0
  call   <ceilf@plt>
  movd   %xmm0,%eax
  mov    %eax,(%rbx)
  mov    -0x18(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  mov    -0x18(%rbp),%rdx
  lea    0x8(%rdx),%rbx
  movd   %eax,%xmm0
  call   <ceilf@plt>
  movd   %xmm0,%eax
  mov    %eax,(%rbx)
  mov    -0x18(%rbp),%rax
  add    $0xc,%rax
  mov    (%rax),%eax
  mov    -0x18(%rbp),%rdx
  lea    0xc(%rdx),%rbx
  movd   %eax,%xmm0
  call   <ceilf@plt>
  movd   %xmm0,%eax
  mov    %eax,(%rbx)
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void vec4_ceil(float *dst) {
  dst[0] = ceilf(dst[0]);
  dst[1] = ceilf(dst[1]);
  dst[2] = ceilf(dst[2]);
  dst[3] = ceilf(dst[3]);
}
```