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

```asm
<struct_field>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  cmpq   $0x3,-0x30(%rbp)
  ja     L32
  mov    $0xffffffff,%eax
  jmp    L66
L32:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <toword@plt>
  mov    %eax,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  add    $0x1,%eax
  add    %eax,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  cmp    %rax,-0x30(%rbp)
  jae    L102
  mov    $0xffffffff,%eax
  jmp    L66
L102:
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  sub    %rax,-0x30(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rax,-0x28(%rbp)
  movl   $0x0,-0x1c(%rbp)
  jmp    L108
L68:
  mov    -0x1c(%rbp),%eax
  add    %eax,%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <toword@plt>
  mov    %eax,-0x10(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  jne    L105
  cmpq   $0x3,-0x30(%rbp)
  ja     L96
  mov    $0xffffffff,%eax
  jmp    L66
L96:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <todword@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  add    $0x4,%eax
  cltq
  cmp    %rax,-0x30(%rbp)
  jae    L40
  mov    $0xffffffff,%eax
  jmp    L66
L40:
  mov    -0xc(%rbp),%eax
  add    $0x4,%eax
  cltq
  shl    $0x2,%rax
  add    %rax,-0x28(%rbp)
  mov    -0xc(%rbp),%eax
  add    $0x4,%eax
  cltq
  sub    %rax,-0x30(%rbp)
  jmp    L13
L105:
  nop
L13:
  addl   $0x1,-0x1c(%rbp)
L108:
  mov    -0x1c(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jl     L68
  mov    -0x18(%rbp),%eax
L66:
  leave
  ret
```

assistant: ```c
int struct_field(const uint8_t *stream, size_t sz) {
  if (sz < 4)
    return -1;
  int fn = toword(stream);
  int header = 2 + 2 * fn;
  if (sz < header)
    return -1;
  const uint8_t *field = stream + 2;
  sz -= header;
  stream += header;
  int i;
  for (i = 0; i < fn; i++) {
    int value = toword(field + i * 2 + 2);
    if (value != 0)
      continue;
    if (sz < 4)
      return -1;
    uint32_t dsz = todword(stream);
    if (sz < 4 + dsz)
      return -1;
    stream += 4 + dsz;
    sz -= 4 + dsz;
  }
  return fn;
}
```
user: What is the c source code of the assembly code below:

```asm
<struct_field>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  cmp    $0x3,%rsi
  jbe    L77
  mov    %rdi,%r13
  mov    %rsi,%rbp
  call   <toword@plt>
  mov    %eax,%r14d
  lea    0x2(%rax,%rax,1),%eax
  cltq
  cmp    %rbp,%rax
  ja     L27
  sub    %rax,%rbp
  lea    0x0(%r13,%rax,4),%r12
  test   %r14d,%r14d
  jle    L9
  lea    0x10(%r13),%rbx
  lea    -0x1(%r14),%eax
  lea    0x18(%r13,%rax,8),%r13
  jmp    L90
L76:
  add    $0x8,%rbx
  cmp    %r13,%rbx
  je     L9
L90:
  mov    %rbx,%rdi
  call   <toword@plt>
  test   %eax,%eax
  jne    L76
  cmp    $0x3,%rbp
  jbe    L74
  mov    %r12,%rdi
  call   <todword@plt>
  add    $0x4,%eax
  cltq
  cmp    %rbp,%rax
  ja     L5
  lea    (%r12,%rax,4),%r12
  sub    %rax,%rbp
  jmp    L76
L77:
  mov    $0xffffffff,%r14d
  jmp    L9
L27:
  mov    $0xffffffff,%r14d
  jmp    L9
L74:
  mov    $0xffffffff,%r14d
L9:
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L5:
  mov    $0xffffffff,%r14d
  jmp    L9
```

assistant: ```c
int struct_field(const uint8_t *stream, size_t sz) {
  if (sz < 4)
    return -1;
  int fn = toword(stream);
  int header = 2 + 2 * fn;
  if (sz < header)
    return -1;
  const uint8_t *field = stream + 2;
  sz -= header;
  stream += header;
  int i;
  for (i = 0; i < fn; i++) {
    int value = toword(field + i * 2 + 2);
    if (value != 0)
      continue;
    if (sz < 4)
      return -1;
    uint32_t dsz = todword(stream);
    if (sz < 4 + dsz)
      return -1;
    stream += 4 + dsz;
    sz -= 4 + dsz;
  }
  return fn;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<struct_field>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  cmp    $0x3,%rsi
  jbe    L12
  mov    %rdi,%r12
  mov    %rsi,%rbx
  call   <toword@plt>
  mov    %eax,%r13d
  lea    0x2(%rax,%rax,1),%eax
  cltq
  cmp    %rbx,%rax
  ja     L12
  sub    %rax,%rbx
  lea    (%r12,%rax,4),%rbp
  test   %r13d,%r13d
  jle    L38
  lea    -0x1(%r13),%eax
  lea    0x10(%r12),%r14
  lea    0x18(%r12,%rax,8),%r12
  nopl   (%rax)
L17:
  mov    %r14,%rdi
  call   <toword@plt>
  test   %eax,%eax
  jne    L69
  cmp    $0x3,%rbx
  jbe    L12
  mov    %rbp,%rdi
  call   <todword@plt>
  add    $0x4,%eax
  cltq
  cmp    %rbx,%rax
  ja     L12
  lea    0x0(%rbp,%rax,4),%rbp
  sub    %rax,%rbx
L69:
  add    $0x8,%r14
  cmp    %r12,%r14
  jne    L17
L38:
  pop    %rbx
  mov    %r13d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L12:
  mov    $0xffffffff,%r13d
  pop    %rbx
  pop    %rbp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int struct_field(const uint8_t *stream, size_t sz) {
  if (sz < 4)
    return -1;
  int fn = toword(stream);
  int header = 2 + 2 * fn;
  if (sz < header)
    return -1;
  const uint8_t *field = stream + 2;
  sz -= header;
  stream += header;
  int i;
  for (i = 0; i < fn; i++) {
    int value = toword(field + i * 2 + 2);
    if (value != 0)
      continue;
    if (sz < 4)
      return -1;
    uint32_t dsz = todword(stream);
    if (sz < 4 + dsz)
      return -1;
    stream += 4 + dsz;
    sz -= 4 + dsz;
  }
  return fn;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<struct_field>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  cmp    $0x3,%rsi
  jbe    L6
  mov    %rdi,%r12
  mov    %rsi,%rbx
  call   <toword@plt>
  mov    %eax,%r13d
  lea    0x2(%rax,%rax,1),%eax
  cltq
  cmp    %rbx,%rax
  ja     L6
  sub    %rax,%rbx
  lea    (%r12,%rax,4),%rbp
  test   %r13d,%r13d
  jle    L27
  lea    -0x1(%r13),%eax
  lea    0x10(%r12),%r14
  lea    0x18(%r12,%rax,8),%r12
  nopl   (%rax)
L59:
  mov    %r14,%rdi
  call   <toword@plt>
  test   %eax,%eax
  jne    L47
  cmp    $0x3,%rbx
  jbe    L6
  mov    %rbp,%rdi
  call   <todword@plt>
  add    $0x4,%eax
  cltq
  cmp    %rbx,%rax
  ja     L6
  lea    0x0(%rbp,%rax,4),%rbp
  sub    %rax,%rbx
L47:
  add    $0x8,%r14
  cmp    %r12,%r14
  jne    L59
L27:
  pop    %rbx
  mov    %r13d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L6:
  mov    $0xffffffff,%r13d
  pop    %rbx
  pop    %rbp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int struct_field(const uint8_t *stream, size_t sz) {
  if (sz < 4)
    return -1;
  int fn = toword(stream);
  int header = 2 + 2 * fn;
  if (sz < header)
    return -1;
  const uint8_t *field = stream + 2;
  sz -= header;
  stream += header;
  int i;
  for (i = 0; i < fn; i++) {
    int value = toword(field + i * 2 + 2);
    if (value != 0)
      continue;
    if (sz < 4)
      return -1;
    uint32_t dsz = todword(stream);
    if (sz < 4 + dsz)
      return -1;
    stream += 4 + dsz;
    sz -= 4 + dsz;
  }
  return fn;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <print_cmd_args@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  print_cmd_args(argc, argv);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  call   <print_cmd_args@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  print_cmd_args(argc, argv);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  call   <print_cmd_args@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  print_cmd_args(argc, argv);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  call   <print_cmd_args@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  print_cmd_args(argc, argv);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<an>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  movsbl -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <alpha@plt>
  test   %rax,%rax
  je     L8
  mov    $0x1,%eax
  jmp    L12
L8:
  movsbl -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <numeric@plt>
L12:
  leave
  ret
```

assistant: ```c
int an(char c) {
  if (alpha(c))
    return 1;
  return numeric(c);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<an>:
  endbr64
  push   %rbx
  movsbl %dil,%ebx
  mov    %ebx,%edi
  call   <alpha@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  je     L7
L8:
  pop    %rbx
  ret
L7:
  mov    %ebx,%edi
  call   <numeric@plt>
  jmp    L8
```

assistant: ```c
int an(char c) {
  if (alpha(c))
    return 1;
  return numeric(c);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<an>:
  endbr64
  push   %rbp
  movsbl %dil,%ebp
  mov    %ebp,%edi
  call   <alpha@plt>
  test   %rax,%rax
  je     L4
  mov    $0x1,%eax
  pop    %rbp
  ret
  nopl   0x0(%rax)
L4:
  mov    %ebp,%edi
  pop    %rbp
  jmp    1060 <numeric@plt>
```

assistant: ```c
int an(char c) {
  if (alpha(c))
    return 1;
  return numeric(c);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<an>:
  endbr64
  push   %rbp
  movsbl %dil,%ebp
  mov    %ebp,%edi
  call   <alpha@plt>
  test   %rax,%rax
  je     L1
  mov    $0x1,%eax
  pop    %rbp
  ret
  nopl   0x0(%rax)
L1:
  mov    %ebp,%edi
  pop    %rbp
  jmp    1060 <numeric@plt>
```

assistant: ```c
int an(char c) {
  if (alpha(c))
    return 1;
  return numeric(c);
}
```
user: What is the c source code of the assembly code below?

```asm
<getint>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0xc(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L0
  movq   $0x4,-0x28(%rbp)
L0:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x28(%rbp)
  jbe    L36
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  mov    -0x28(%rbp),%rdx
  mov    %rax,%rsi
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  call   <warnx@plt>
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x28(%rbp)
L36:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L21
L19:
  mov    -0xc(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  add    %edx,%eax
  mov    %eax,-0xc(%rbp)
  subq   $0x1,-0x8(%rbp)
L21:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x8(%rbp)
  jae    L19
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  sub    -0x28(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0xc(%rbp),%eax
  leave
  ret
```

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

tool: D9: bad format for data %d < %d

assistant: ```c
int getint(const void **data, size_t *data_len, size_t isize) {
  const unsigned char *p;
  int val = 0;
  if (isize == 0)
    isize = 4;
  if (*data_len < isize) {
    warnx("bad format for data %d < %d", *data_len, isize);
    isize = *data_len;
  }
  for (p = (const unsigned char *)*data + isize - 1; p >= (const unsigned char *)*data; p--) {
    val = val * 256 + *p;
  }
  *data = (const unsigned char *)*data + isize;
  *data_len -= isize;
  return val;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<getint>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  test   %rdx,%rdx
  mov    $0x4,%eax
  cmove  %rax,%rdx
  mov    (%rsi),%rsi
  cmp    %rdx,%rsi
  jb     L39
L19:
  mov    0x0(%rbp),%r8
  lea    -0x1(%r8,%rdx,1),%rcx
  cmp    %rcx,%r8
  ja     L22
  lea    -0x1(%r8),%rdi
  mov    $0x0,%eax
L48:
  shl    $0x8,%eax
  movzbl (%rcx),%esi
  add    %esi,%eax
  sub    $0x1,%rcx
  cmp    %rcx,%rdi
  jne    L48
L25:
  add    %rdx,%r8
  mov    %r8,0x0(%rbp)
  sub    %rdx,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L39:
  lea    D7(%rip),%rdi
  call   <warnx@plt>
  mov    (%rbx),%rdx
  jmp    L19
L22:
  mov    $0x0,%eax
  jmp    L25
```

tool_calls: name: disassemble_data
arguments: data_tag: D7
type_guessed: string

tool: D7: bad format for data %d < %d

assistant: ```c
int getint(const void **data, size_t *data_len, size_t isize) {
  const unsigned char *p;
  int val = 0;
  if (isize == 0)
    isize = 4;
  if (*data_len < isize) {
    warnx("bad format for data %d < %d", *data_len, isize);
    isize = *data_len;
  }
  for (p = (const unsigned char *)*data + isize - 1; p >= (const unsigned char *)*data; p--) {
    val = val * 256 + *p;
  }
  *data = (const unsigned char *)*data + isize;
  *data_len -= isize;
  return val;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<getint>:
  endbr64
  push   %rbp
  mov    $0x4,%eax
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  test   %rdx,%rdx
  mov    (%rsi),%rsi
  cmove  %rax,%rdx
  cmp    %rdx,%rsi
  jb     L45
  mov    0x0(%rbp),%r9
  sub    %rdx,%rsi
  lea    -0x1(%r9,%rdx,1),%rcx
  cmp    %rcx,%r9
  ja     L19
L15:
  lea    -0x1(%r9),%r8
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L11:
  movzbl (%rcx),%edi
  shl    $0x8,%eax
  sub    $0x1,%rcx
  add    %edi,%eax
  cmp    %r8,%rcx
  jne    L11
L46:
  add    %rdx,%r9
  mov    %r9,0x0(%rbp)
  mov    %rsi,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L45:
  lea    D6(%rip),%rdi
  call   <warnx@plt>
  mov    (%rbx),%rdx
  mov    0x0(%rbp),%r9
  xor    %esi,%esi
  lea    -0x1(%r9,%rdx,1),%rcx
  cmp    %rcx,%r9
  jbe    L15
L19:
  xor    %eax,%eax
  jmp    L46
```

tool_calls: name: retrieve_data
arguments: data_tag: D6
datatype: string

tool: D6: bad format for data %d < %d

assistant: ```c
int getint(const void **data, size_t *data_len, size_t isize) {
  const unsigned char *p;
  int val = 0;
  if (isize == 0)
    isize = 4;
  if (*data_len < isize) {
    warnx("bad format for data %d < %d", *data_len, isize);
    isize = *data_len;
  }
  for (p = (const unsigned char *)*data + isize - 1; p >= (const unsigned char *)*data; p--) {
    val = val * 256 + *p;
  }
  *data = (const unsigned char *)*data + isize;
  *data_len -= isize;
  return val;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<getint>:
  endbr64
  push   %rbp
  mov    $0x4,%eax
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  test   %rdx,%rdx
  mov    (%rsi),%rsi
  cmove  %rax,%rdx
  cmp    %rdx,%rsi
  jb     L27
  mov    0x0(%rbp),%r9
  sub    %rdx,%rsi
  lea    -0x1(%r9,%rdx,1),%rcx
  cmp    %rcx,%r9
  ja     L28
L20:
  lea    -0x1(%r9),%r8
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L13:
  movzbl (%rcx),%edi
  shl    $0x8,%eax
  sub    $0x1,%rcx
  add    %edi,%eax
  cmp    %r8,%rcx
  jne    L13
L12:
  add    %rdx,%r9
  mov    %r9,0x0(%rbp)
  mov    %rsi,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L27:
  lea    D9(%rip),%rdi
  call   <warnx@plt>
  mov    (%rbx),%rdx
  mov    0x0(%rbp),%r9
  xor    %esi,%esi
  lea    -0x1(%r9,%rdx,1),%rcx
  cmp    %rcx,%r9
  jbe    L20
L28:
  xor    %eax,%eax
  jmp    L12
```

tool_calls: name: retrieve_data
arguments: label: D9
type: string

tool: D9: bad format for data %d < %d

assistant: ```c
int getint(const void **data, size_t *data_len, size_t isize) {
  const unsigned char *p;
  int val = 0;
  if (isize == 0)
    isize = 4;
  if (*data_len < isize) {
    warnx("bad format for data %d < %d", *data_len, isize);
    isize = *data_len;
  }
  for (p = (const unsigned char *)*data + isize - 1; p >= (const unsigned char *)*data; p--) {
    val = val * 256 + *p;
  }
  *data = (const unsigned char *)*data + isize;
  *data_len -= isize;
  return val;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<os_local_host_name>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L38
  cmpq   $0x0,-0x10(%rbp)
  jne    L19
L38:
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L25
L19:
  lea    D21(%rip),%rax
  mov    %rax,%rdi
  call   <uname@plt>
  test   %rax,%rax
  je     L47
  mov    D27(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L25
L47:
  mov    D21(%rip),%ecx
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <os_strlcpy@plt>
  cmp    %rax,-0x10(%rbp)
  ja     L60
  mov    D48(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L25
L60:
  mov    $0x0,%eax
L25:
  leave
  ret
```

assistant: ```c
int os_local_host_name(char *hostname, size_t size) {
  static struct utsname host;
  if (hostname == NULL || size == 0)
    return -EINVAL;
  if (uname(&host) != 0)
    return -errno;
  if (os_strlcpy((hostname), (host.nodename), (size)) >= size)
    return -ENAMETOOLONG;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<os_local_host_name>:
  endbr64
  test   %rdi,%rdi
  je     L33
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  test   %rsi,%rsi
  je     L26
  lea    D15(%rip),%rdi
  call   <uname@plt>
  test   %rax,%rax
  je     L44
  mov    D16(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L9
L26:
  mov    D14(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
L9:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L44:
  mov    %rbp,%rdx
  mov    D15(%rip),%esi
  mov    %rbx,%rdi
  call   <os_strlcpy@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  cmp    %rbp,%rdx
  jb     L9
  mov    D30(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L9
L33:
  mov    D14(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  ret
```

assistant: ```c
int os_local_host_name(char *hostname, size_t size) {
  static struct utsname host;
  if (hostname == NULL || size == 0)
    return -EINVAL;
  if (uname(&host) != 0)
    return -errno;
  if (os_strlcpy((hostname), (host.nodename), (size)) >= size)
    return -ENAMETOOLONG;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<os_local_host_name>:
  endbr64
  test   %rdi,%rdi
  je     L17
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L20
  mov    %rdi,%rbp
  lea    D47(%rip),%rdi
  call   <uname@plt>
  test   %rax,%rax
  je     L22
  mov    D21(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
L24:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   (%rax)
L20:
  mov    D38(%rip),%rax
  mov    (%rax),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  neg    %eax
  ret
  nopw   0x0(%rax,%rax,1)
L22:
  mov    D47(%rip),%esi
  mov    %rbx,%rdx
  mov    %rbp,%rdi
  call   <os_strlcpy@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  cmp    %rbx,%r8
  jb     L24
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L24
L17:
  mov    D38(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  ret
```

assistant: ```c
int os_local_host_name(char *hostname, size_t size) {
  static struct utsname host;
  if (hostname == NULL || size == 0)
    return -EINVAL;
  if (uname(&host) != 0)
    return -errno;
  if (os_strlcpy((hostname), (host.nodename), (size)) >= size)
    return -ENAMETOOLONG;
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<os_local_host_name>:
  endbr64
  test   %rdi,%rdi
  je     L46
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L37
  mov    %rdi,%rbp
  lea    D7(%rip),%rdi
  call   <uname@plt>
  test   %rax,%rax
  je     L7
  mov    D21(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
L27:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   (%rax)
L37:
  mov    D19(%rip),%rax
  mov    (%rax),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  neg    %eax
  ret
  nopw   0x0(%rax,%rax,1)
L7:
  mov    D7(%rip),%esi
  mov    %rbx,%rdx
  mov    %rbp,%rdi
  call   <os_strlcpy@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  cmp    %rbx,%r8
  jb     L27
  mov    D41(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L27
L46:
  mov    D19(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  ret
```

assistant: ```c
int os_local_host_name(char *hostname, size_t size) {
  static struct utsname host;
  if (hostname == NULL || size == 0)
    return -EINVAL;
  if (uname(&host) != 0)
    return -errno;
  if (os_strlcpy((hostname), (host.nodename), (size)) >= size)
    return -ENAMETOOLONG;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<trim_to_p256_bytes>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  jmp    L18
L24:
  addq   $0x1,-0x20(%rbp)
  subl   $0x1,-0x24(%rbp)
L18:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L56
  cmpl   $0x0,-0x24(%rbp)
  jg     L24
L56:
  cmpl   $0x20,-0x24(%rbp)
  jg     L28
  cmpl   $0x0,-0x24(%rbp)
  jg     L26
L28:
  mov    $0x0,%eax
  jmp    L57
L26:
  mov    $0x20,%eax
  sub    -0x24(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
  mov    $0x1,%eax
L57:
  leave
  ret
```

assistant: ```c
int trim_to_p256_bytes(unsigned char dst[32], unsigned char *src, int src_len) {
  int dst_offset;
  while (*src == '\0' && src_len > 0) {
    src++;
    src_len--;
  }
  if (src_len > 32 || src_len < 1) {
    return 0;
  }
  dst_offset = 32 - src_len;
  memset(dst, 0, dst_offset);
  memcpy(dst + dst_offset, src, src_len);
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<trim_to_p256_bytes>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbp
  mov    %edx,%ebx
  cmpb   $0x0,(%rsi)
  jne    L41
  test   %edx,%edx
  jle    L41
L38:
  add    $0x1,%rbp
  sub    $0x1,%ebx
  cmpb   $0x0,0x0(%rbp)
  jne    L41
  test   %ebx,%ebx
  jg     L38
L41:
  lea    -0x1(%rbx),%edx
  mov    $0x0,%eax
  cmp    $0x1f,%edx
  jbe    L16
L35:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L16:
  mov    $0x20,%r13d
  sub    %ebx,%r13d
  mov    %r13d,%edx
  mov    $0x0,%esi
  mov    %r12,%rdi
  call   <memset@plt>
  movslq %r13d,%r13
  lea    (%r12,%r13,1),%rdi
  mov    %ebx,%edx
  mov    %rbp,%rsi
  call   <memcpy@plt>
  mov    $0x1,%eax
  jmp    L35
```

assistant: ```c
int trim_to_p256_bytes(unsigned char dst[32], unsigned char *src, int src_len) {
  int dst_offset;
  while (*src == '\0' && src_len > 0) {
    src++;
    src_len--;
  }
  if (src_len > 32 || src_len < 1) {
    return 0;
  }
  dst_offset = 32 - src_len;
  memset(dst, 0, dst_offset);
  memcpy(dst + dst_offset, src, src_len);
  return 1;
}
```