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

```asm
<main>:
  endbr64
  push   %r13
  xor    %edi,%edi
  lea    D22(%rip),%r13
  push   %r12
  lea    D14(%rip),%r12
  push   %rbp
  lea    D9(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  xor    %eax,%eax
  call   <print_version@plt>
L7:
  mov    %r13,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  xor    %eax,%eax
  call   <benchmark@plt>
  call   <print_results@plt>
  xor    %eax,%eax
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <printf@plt>
  cmp    $0x3,%ebx
  jne    L7
  mov    $0x3,%esi
  mov    $0x3,%edi
  call   <print_summary@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D22
datatype: string
name: retrieve_data
arguments: data_label: D14
datatype: string
name: retrieve_data
arguments: data_label: D9
datatype: string

tool: D22: is-positive-zerof

tool: D14: # c::native::%s


tool: D9: ok %d benchmark finished


assistant: ```c
int main(void) {
  double elapsed;
  int i;
  srand(time(NULL));
  print_version();
  for (i = 0; i < 3; i++) {
    printf("# c::native::%s\n", "is-positive-zerof");
    elapsed = benchmark();
    print_results(elapsed);
    printf("ok %d benchmark finished\n", i + 1);
  }
  print_summary(3, 3);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r13
  xor    %edi,%edi
  lea    D17(%rip),%r13
  push   %r12
  lea    D18(%rip),%r12
  push   %rbp
  lea    D8(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  xor    %eax,%eax
  call   <print_version@plt>
L6:
  mov    %r13,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  xor    %eax,%eax
  call   <benchmark@plt>
  call   <print_results@plt>
  xor    %eax,%eax
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <printf@plt>
  cmp    $0x3,%ebx
  jne    L6
  mov    $0x3,%esi
  mov    $0x3,%edi
  call   <print_summary@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D17
datatype: string
name: retrieve_data
arguments: tag: D18
datatype: string
name: retrieve_data
arguments: tag: D8
datatype: string

tool: D17: is-positive-zerof

tool: D18: # c::native::%s


tool: D8: ok %d benchmark finished


assistant: ```c
int main(void) {
  double elapsed;
  int i;
  srand(time(NULL));
  print_version();
  for (i = 0; i < 3; i++) {
    printf("# c::native::%s\n", "is-positive-zerof");
    elapsed = benchmark();
    print_results(elapsed);
    printf("ok %d benchmark finished\n", i + 1);
  }
  print_summary(3, 3);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x5,-0x1c(%rbp)
  lea    -0x1c(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  lea    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,%esi
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x18(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  mov    (%rax),%ecx
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: label: D20
type: string
name: disassemble_data
arguments: label: D13
type: string
name: disassemble_data
arguments: label: D19
type: string

tool: D20: %d


tool: D13: %p, %d


tool: D19: %p, %p, %i


assistant: ```c
int main(int argc, char **argv) {
  int a = 5;
  int *dir_a = &a;
  int **dir_dir_a = &dir_a;
  printf("%d\n", a);
  printf("%p, %d\n", dir_a, *dir_a);
  printf("%p, %p, %i\n", dir_dir_a, *dir_dir_a, **dir_dir_a);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movl   $0x5,0xc(%rsp)
  lea    0xc(%rsp),%rax
  mov    %rax,0x10(%rsp)
  mov    $0x5,%esi
  lea    D5(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x10(%rsp),%rsi
  mov    (%rsi),%edx
  lea    D1(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x10(%rsp),%rdx
  lea    0x10(%rsp),%rsi
  mov    (%rdx),%ecx
  lea    D6(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  mov    $0x0,%eax
  add    $0x28,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D5
type: string
name: unpack_data
arguments: tag: D1
type: string
name: unpack_data
arguments: tag: D6
type: string

tool: D5: %d


tool: D1: %p, %d


tool: D6: %p, %p, %i


assistant: ```c
int main(int argc, char **argv) {
  int a = 5;
  int *dir_a = &a;
  int **dir_dir_a = &dir_a;
  printf("%d\n", a);
  printf("%p, %d\n", dir_a, *dir_a);
  printf("%p, %p, %i\n", dir_dir_a, *dir_dir_a, **dir_dir_a);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  mov    $0x5,%esi
  lea    D9(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rax
  movl   $0x5,0xc(%rsp)
  mov    %rax,0x10(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x10(%rsp),%rsi
  lea    D24(%rip),%rdi
  xor    %eax,%eax
  mov    (%rsi),%edx
  call   <printf@plt>
  mov    0x10(%rsp),%rdx
  xor    %eax,%eax
  lea    0x10(%rsp),%rsi
  lea    D25(%rip),%rdi
  mov    (%rdx),%ecx
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D9
datatype: string
name: extract_symbolic_data
arguments: tag: D24
datatype: string
name: extract_symbolic_data
arguments: tag: D25
datatype: string

tool: D9: %d


tool: D24: %p, %d


tool: D25: %p, %p, %i


assistant: ```c
int main(int argc, char **argv) {
  int a = 5;
  int *dir_a = &a;
  int **dir_dir_a = &dir_a;
  printf("%d\n", a);
  printf("%p, %d\n", dir_a, *dir_a);
  printf("%p, %p, %i\n", dir_dir_a, *dir_dir_a, **dir_dir_a);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  mov    $0x5,%esi
  lea    D7(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rax
  movl   $0x5,0xc(%rsp)
  mov    %rax,0x10(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x10(%rsp),%rsi
  lea    D26(%rip),%rdi
  xor    %eax,%eax
  mov    (%rsi),%edx
  call   <printf@plt>
  mov    0x10(%rsp),%rdx
  xor    %eax,%eax
  lea    0x10(%rsp),%rsi
  lea    D29(%rip),%rdi
  mov    (%rdx),%ecx
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
type_infered: string
name: retrieve_data
arguments: data_tag: D26
type_infered: string
name: retrieve_data
arguments: data_tag: D29
type_infered: string

tool: D7: %d


tool: D26: %p, %d


tool: D29: %p, %p, %i


assistant: ```c
int main(int argc, char **argv) {
  int a = 5;
  int *dir_a = &a;
  int **dir_dir_a = &dir_a;
  printf("%d\n", a);
  printf("%p, %d\n", dir_a, *dir_a);
  printf("%p, %p, %i\n", dir_dir_a, *dir_dir_a, **dir_dir_a);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<xo_suffixname>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %rdi,-0x10(%rbp)
  mov    $0x0,%ebx
  jmp    L6
L5:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  je     L32
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L28
L32:
  mov    $0x0,%ebx
L28:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L40
  mov    -0x10(%rbp),%rbx
L40:
  addq   $0x1,-0x10(%rbp)
L6:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L5
  mov    %rbx,%rax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *xo_suffixname(char *fullName) {
  register char *old = 0L;
  while (*fullName) {
    if ((((*fullName) == '/') || ((*fullName) == '\\'))) {
      old = NULL;
    }
    if (*fullName == '.') {
      old = fullName;
    }
    fullName++;
  }
  return old;
}
```
user: Translate the below assembly code into C programming language:

```asm
<xo_suffixname>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L33
  mov    $0x0,%edx
  jmp    L56
L34:
  mov    $0x0,%edx
L43:
  cmp    $0x2e,%al
  cmove  %rdi,%rdx
  add    $0x1,%rdi
  movzbl (%rdi),%eax
  test   %al,%al
  je     L32
L56:
  cmp    $0x2f,%al
  je     L34
  cmp    $0x5c,%al
  jne    L43
  jmp    L34
L33:
  mov    $0x0,%edx
L32:
  mov    %rdx,%rax
  ret
```

assistant: ```c
char *xo_suffixname(char *fullName) {
  register char *old = 0L;
  while (*fullName) {
    if ((((*fullName) == '/') || ((*fullName) == '\\'))) {
      old = NULL;
    }
    if (*fullName == '.') {
      old = fullName;
    }
    fullName++;
  }
  return old;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<xo_suffixname>:
  endbr64
  movzbl (%rdi),%eax
  xor    %r8d,%r8d
  test   %al,%al
  jne    L12
  jmp    L30
L13:
  cmp    $0x2e,%al
  cmove  %rdi,%r8
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  je     L30
L12:
  cmp    $0x2f,%al
  je     L17
  cmp    $0x5c,%al
  jne    L13
L17:
  xor    %r8d,%r8d
  jmp    L13
  nop
L30:
  mov    %r8,%rax
  ret
```

assistant: ```c
char *xo_suffixname(char *fullName) {
  register char *old = 0L;
  while (*fullName) {
    if ((((*fullName) == '/') || ((*fullName) == '\\'))) {
      old = NULL;
    }
    if (*fullName == '.') {
      old = fullName;
    }
    fullName++;
  }
  return old;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<xo_suffixname>:
  endbr64
  movzbl (%rdi),%eax
  xor    %r8d,%r8d
  test   %al,%al
  jne    L31
  jmp    L59
L48:
  cmp    $0x2e,%al
  cmove  %rdi,%r8
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  je     L59
L31:
  cmp    $0x2f,%al
  je     L1
  cmp    $0x5c,%al
  jne    L48
L1:
  xor    %r8d,%r8d
  jmp    L48
  nop
L59:
  mov    %r8,%rax
  ret
```

assistant: ```c
char *xo_suffixname(char *fullName) {
  register char *old = 0L;
  while (*fullName) {
    if ((((*fullName) == '/') || ((*fullName) == '\\'))) {
      old = NULL;
    }
    if (*fullName == '.') {
      old = fullName;
    }
    fullName++;
  }
  return old;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<free_array>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  jmp    L3
L1:
  mov    -0x8(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
L3:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L1
  nop
  leave
  ret
```

assistant: ```c
free_array(array) char **array;
{
  while (*array)
    free(*array++);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<free_array>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L11
L5:
  add    $0x8,%rbx
  call   <free@plt>
  mov    (%rbx),%rdi
  test   %rdi,%rdi
  jne    L5
L11:
  pop    %rbx
  ret
```

assistant: ```c
free_array(array) char **array;
{
  while (*array)
    free(*array++);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<free_array>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L6
L9:
  call   <free@plt>
  mov    0x8(%rbx),%rdi
  add    $0x8,%rbx
  test   %rdi,%rdi
  jne    L9
L6:
  pop    %rbx
  ret
```

assistant: ```c
free_array(array) char **array;
{
  while (*array)
    free(*array++);
}
```
user: Translate the below assembly code into C programming language:

```asm
<free_array>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L0
L11:
  call   <free@plt>
  mov    0x8(%rbx),%rdi
  add    $0x8,%rbx
  test   %rdi,%rdi
  jne    L11
L0:
  pop    %rbx
  ret
```

assistant: ```c
free_array(array) char **array;
{
  while (*array)
    free(*array++);
}
```
user: Translate the below assembly code into C programming language:

```asm
<sendack>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  mov    $0x4,%edx
  lea    D2(%rip),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    $0x3,%eax
  ja     L16
  mov    $0xffffffff,%eax
  jmp    L11
L16:
  mov    $0x0,%eax
L11:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D2
type_guessed: string

tool: D2: ACK

assistant: ```c
int sendack(int sock) {
  int bsent;
  bsent = write(sock, "ACK", sizeof("ACK"));
  if (bsent < sizeof("ACK"))
    return (-1);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<sendack>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x4,%edx
  lea    D5(%rip),%rsi
  call   <write@plt>
  cmp    $0x4,%eax
  sbb    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: label: D5
datatype: string

tool: D5: ACK

assistant: ```c
int sendack(int sock) {
  int bsent;
  bsent = write(sock, "ACK", sizeof("ACK"));
  if (bsent < sizeof("ACK"))
    return (-1);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<sendack>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x4,%edx
  lea    D5(%rip),%rsi
  call   <write@plt>
  cmp    $0x4,%eax
  sbb    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D5
datatype: string

tool: D5: ACK

assistant: ```c
int sendack(int sock) {
  int bsent;
  bsent = write(sock, "ACK", sizeof("ACK"));
  if (bsent < sizeof("ACK"))
    return (-1);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<sendack>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x4,%edx
  lea    D0(%rip),%rsi
  call   <write@plt>
  cmp    $0x4,%eax
  sbb    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: data_tag: D0
type_infered: string

tool: D0: ACK

assistant: ```c
int sendack(int sock) {
  int bsent;
  bsent = write(sock, "ACK", sizeof("ACK"));
  if (bsent < sizeof("ACK"))
    return (-1);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<togid>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xc(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L10
L41:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isascii@plt>
  test   %eax,%eax
  jne    L52
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <getgrnam@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L43
  mov    $0xffffffff,%eax
  jmp    L48
L43:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  jmp    L48
L52:
  addl   $0x1,-0x10(%rbp)
L10:
  mov    -0x10(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jl     L41
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
L48:
  leave
  ret
```

assistant: ```c
int togid(const char *string) {
  int i, len = strlen(string);
  for (i = 0; i < len; i++) {
    if (!isascii(string[i])) {
      struct group *g = getgrnam(string);
      if (g == NULL)
        return -1;
      return g->gr_gid;
    }
  }
  return atoi(string);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<togid>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  call   <strlen@plt>
  test   %eax,%eax
  jle    L53
  mov    %r12,%rbx
  lea    -0x1(%rax),%eax
  lea    0x1(%r12,%rax,1),%rbp
L31:
  movsbl (%rbx),%edi
  call   <isascii@plt>
  test   %eax,%eax
  je     L47
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L31
L53:
  mov    %r12,%rdi
  call   <atoi@plt>
L51:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L47:
  mov    %r12,%rdi
  call   <getgrnam@plt>
  test   %rax,%rax
  je     L34
  mov    (%rax),%eax
  jmp    L51
L34:
  mov    $0xffffffff,%eax
  jmp    L51
```

assistant: ```c
int togid(const char *string) {
  int i, len = strlen(string);
  for (i = 0; i < len; i++) {
    if (!isascii(string[i])) {
      struct group *g = getgrnam(string);
      if (g == NULL)
        return -1;
      return g->gr_gid;
    }
  }
  return atoi(string);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<togid>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  call   <strlen@plt>
  test   %eax,%eax
  jle    L43
  sub    $0x1,%eax
  mov    %r12,%rbx
  lea    0x1(%r12,%rax,1),%rbp
  jmp    L26
  nopl   0x0(%rax)
L56:
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  je     L43
L26:
  movsbl (%rbx),%edi
  call   <isascii@plt>
  test   %eax,%eax
  jne    L56
  mov    %r12,%rdi
  call   <getgrnam@plt>
  test   %rax,%rax
  je     L5
  mov    (%rax),%eax
L1:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L43:
  pop    %rbx
  mov    %r12,%rdi
  pop    %rbp
  pop    %r12
  jmp    10a0 <atoi@plt>
L5:
  mov    $0xffffffff,%eax
  jmp    L1
```

assistant: ```c
int togid(const char *string) {
  int i, len = strlen(string);
  for (i = 0; i < len; i++) {
    if (!isascii(string[i])) {
      struct group *g = getgrnam(string);
      if (g == NULL)
        return -1;
      return g->gr_gid;
    }
  }
  return atoi(string);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<togid>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  call   <strlen@plt>
  test   %eax,%eax
  jle    L18
  sub    $0x1,%eax
  mov    %r12,%rbx
  lea    0x1(%r12,%rax,1),%rbp
  jmp    L45
  nopl   0x0(%rax)
L17:
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  je     L18
L45:
  movsbl (%rbx),%edi
  call   <isascii@plt>
  test   %eax,%eax
  jne    L17
  mov    %r12,%rdi
  call   <getgrnam@plt>
  test   %rax,%rax
  je     L54
  mov    (%rax),%eax
L13:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L18:
  pop    %rbx
  mov    %r12,%rdi
  pop    %rbp
  pop    %r12
  jmp    10a0 <atoi@plt>
L54:
  mov    $0xffffffff,%eax
  jmp    L13
```

assistant: ```c
int togid(const char *string) {
  int i, len = strlen(string);
  for (i = 0; i < len; i++) {
    if (!isascii(string[i])) {
      struct group *g = getgrnam(string);
      if (g == NULL)
        return -1;
      return g->gr_gid;
    }
  }
  return atoi(string);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_extension>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L59
L16:
  addl   $0x1,-0x4(%rbp)
L59:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L16
  mov    -0x4(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L70
L51:
  subl   $0x1,-0x8(%rbp)
L70:
  cmpl   $0x0,-0x8(%rbp)
  jle    L5
  mov    -0x8(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L5
  mov    -0x8(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  je     L5
  mov    -0x8(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L51
L5:
  mov    -0x8(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L31
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  jmp    L43
L31:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
L43:
  pop    %rbp
  ret
```

assistant: ```c
char *get_extension(const char *filename) {
  int pos, end;
  for (end = 0; filename[end]; end++)
    ;
  pos = end;
  while ((pos > 0) && (filename[pos - 1] != '.') && (filename[pos - 1] != '\\') && (filename[pos - 1] != '/'))
    pos--;
  if (filename[pos - 1] == '.')
    return (char *)filename + pos;
  return (char *)filename + end;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<get_extension>:
  endbr64
  cmpb   $0x0,(%rdi)
  je     L81
  lea    0x1(%rdi),%rdx
  mov    %rdx,%rax
  mov    $0x1,%ecx
  sub    %edx,%ecx
L74:
  lea    (%rcx,%rax,1),%edx
  mov    %rax,%r8
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rax)
  jne    L74
  test   %edx,%edx
  jle    L19
  movslq %edx,%rax
  lea    -0x1(%rdi,%rax,1),%rcx
L31:
  movzbl (%rcx),%eax
  lea    -0x2e(%rax),%esi
  cmp    $0x1,%sil
  jbe    L19
  cmp    $0x5c,%al
  je     L19
  sub    $0x1,%rcx
  sub    $0x1,%edx
  jne    L31
L19:
  movslq %edx,%rdx
  cmpb   $0x2e,-0x1(%rdi,%rdx,1)
  je     L76
L51:
  mov    %r8,%rax
  ret
L81:
  mov    %rdi,%r8
  mov    $0x0,%edx
  jmp    L19
L76:
  lea    (%rdi,%rdx,1),%r8
  jmp    L51
```

assistant: ```c
char *get_extension(const char *filename) {
  int pos, end;
  for (end = 0; filename[end]; end++)
    ;
  pos = end;
  while ((pos > 0) && (filename[pos - 1] != '.') && (filename[pos - 1] != '\\') && (filename[pos - 1] != '/'))
    pos--;
  if (filename[pos - 1] == '.')
    return (char *)filename + pos;
  return (char *)filename + end;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<get_extension>:
  endbr64
  lea    0x1(%rdi),%rdx
  mov    $0x1,%ecx
  sub    %edx,%ecx
  cmpb   $0x0,(%rdi)
  je     L18
  nopl   0x0(%rax)
L56:
  mov    %rdx,%r8
  lea    (%rcx,%rdx,1),%eax
  lea    0x1(%rdx),%rdx
  cmpb   $0x0,(%r8)
  jne    L56
  cltq
  jmp    L12
  nopl   0x0(%rax)
L30:
  cmp    $0x5c,%dl
  je     L54
  sub    $0x1,%rax
  je     L19
L12:
  movzbl -0x1(%rdi,%rax,1),%edx
  lea    -0x2e(%rdx),%ecx
  cmp    $0x1,%cl
  ja     L30
L54:
  add    %rax,%rdi
  cmp    $0x2e,%dl
  cmove  %rdi,%r8
  mov    %r8,%rax
  ret
  cs nopw 0x0(%rax,%rax,1)
L19:
  movzbl -0x1(%rdi),%edx
  add    %rax,%rdi
  cmp    $0x2e,%dl
  cmove  %rdi,%r8
  mov    %r8,%rax
  ret
  nopw   0x0(%rax,%rax,1)
L18:
  movzbl -0x1(%rdi),%edx
  xor    %eax,%eax
  mov    %rdi,%r8
  add    %rax,%rdi
  cmp    $0x2e,%dl
  cmove  %rdi,%r8
  mov    %r8,%rax
  ret
```

assistant: ```c
char *get_extension(const char *filename) {
  int pos, end;
  for (end = 0; filename[end]; end++)
    ;
  pos = end;
  while ((pos > 0) && (filename[pos - 1] != '.') && (filename[pos - 1] != '\\') && (filename[pos - 1] != '/'))
    pos--;
  if (filename[pos - 1] == '.')
    return (char *)filename + pos;
  return (char *)filename + end;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<get_extension>:
  endbr64
  lea    0x1(%rdi),%rdx
  mov    $0x1,%ecx
  sub    %edx,%ecx
  cmpb   $0x0,(%rdi)
  je     L4
  nopl   0x0(%rax)
L29:
  mov    %rdx,%r8
  lea    (%rcx,%rdx,1),%eax
  lea    0x1(%rdx),%rdx
  cmpb   $0x0,(%r8)
  jne    L29
  cltq
  jmp    L15
  nopl   0x0(%rax)
L27:
  cmp    $0x5c,%dl
  je     L43
  sub    $0x1,%rax
  je     L49
L15:
  movzbl -0x1(%rdi,%rax,1),%edx
  lea    -0x2e(%rdx),%ecx
  cmp    $0x1,%cl
  ja     L27
L43:
  add    %rax,%rdi
  cmp    $0x2e,%dl
  cmove  %rdi,%r8
  mov    %r8,%rax
  ret
  cs nopw 0x0(%rax,%rax,1)
L49:
  movzbl -0x1(%rdi),%edx
  add    %rax,%rdi
  cmp    $0x2e,%dl
  cmove  %rdi,%r8
  mov    %r8,%rax
  ret
  nopw   0x0(%rax,%rax,1)
L4:
  movzbl -0x1(%rdi),%edx
  xor    %eax,%eax
  mov    %rdi,%r8
  add    %rax,%rdi
  cmp    $0x2e,%dl
  cmove  %rdi,%r8
  mov    %r8,%rax
  ret
```

assistant: ```c
char *get_extension(const char *filename) {
  int pos, end;
  for (end = 0; filename[end]; end++)
    ;
  pos = end;
  while ((pos > 0) && (filename[pos - 1] != '.') && (filename[pos - 1] != '\\') && (filename[pos - 1] != '/'))
    pos--;
  if (filename[pos - 1] == '.')
    return (char *)filename + pos;
  return (char *)filename + end;
}
```