ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r12
  mov    $0xa,%edi
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movl   $0x30303030,0x18(%rsp)
  lea    0x10(%rsp),%r12
  movabs $0x3030303030303030,%rax
  mov    %rax,0x10(%rsp)
  mov    $0x3030,%eax
  mov    %ax,0x1c(%rsp)
  movb   $0x30,0x1e(%rsp)
  movl   $0xe,0xc(%rsp)
  movb   $0x0,0x1f(%rsp)
  call   <putchar@plt>
  lea    0x8(%rsp),%rdi
  call   <get_input@plt>
  mov    0x8(%rsp),%edi
  lea    0xc(%rsp),%rdx
  mov    %r12,%rsi
  call   <convert_to_binary@plt>
  mov    0x8(%rsp),%esi
  xor    %eax,%eax
  mov    %r12,%rdx
  lea    D1(%rip),%rdi
  call   <printf@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x30,%rsp
  xor    %eax,%eax
  pop    %r12
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D1
datatype: string

tool: D1: The binary form of %d is %s



assistant: ```c
int main(void) {
  int decimal, i;
  int bit_sig = 15;
  char binary[16];
  for (i = 0; i < 15; i++)
    binary[i] = '0';
  binary[bit_sig--] = '\0';
  printf("\n");
  get_input(&decimal);
  convert_to_binary(decimal, binary, &bit_sig);
  printf("The binary form of %d is %s\n\n", decimal, binary);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %r12
  mov    $0xa,%edi
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movl   $0x30303030,0x18(%rsp)
  lea    0x10(%rsp),%r12
  movabs $0x3030303030303030,%rax
  mov    %rax,0x10(%rsp)
  mov    $0x3030,%eax
  mov    %ax,0x1c(%rsp)
  movb   $0x30,0x1e(%rsp)
  movl   $0xe,0xc(%rsp)
  movb   $0x0,0x1f(%rsp)
  call   <putchar@plt>
  lea    0x8(%rsp),%rdi
  call   <get_input@plt>
  mov    0x8(%rsp),%edi
  lea    0xc(%rsp),%rdx
  mov    %r12,%rsi
  call   <convert_to_binary@plt>
  mov    0x8(%rsp),%esi
  xor    %eax,%eax
  mov    %r12,%rdx
  lea    D6(%rip),%rdi
  call   <printf@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x30,%rsp
  xor    %eax,%eax
  pop    %r12
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D6
data_type: string

tool: D6: The binary form of %d is %s



assistant: ```c
int main(void) {
  int decimal, i;
  int bit_sig = 15;
  char binary[16];
  for (i = 0; i < 15; i++)
    binary[i] = '0';
  binary[bit_sig--] = '\0';
  printf("\n");
  get_input(&decimal);
  convert_to_binary(decimal, binary, &bit_sig);
  printf("The binary form of %d is %s\n\n", decimal, binary);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<from_hex>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x2f,-0x4(%rbp)
  jle    L85
  cmpl   $0x39,-0x4(%rbp)
  jg     L85
  mov    -0x4(%rbp),%eax
  sub    $0x30,%eax
  jmp    L75
L85:
  cmpl   $0x40,-0x4(%rbp)
  jle    L76
  cmpl   $0x46,-0x4(%rbp)
  jg     L76
  mov    -0x4(%rbp),%eax
  sub    $0x37,%eax
  jmp    L75
L76:
  cmpl   $0x60,-0x4(%rbp)
  jle    L4
  cmpl   $0x66,-0x4(%rbp)
  jg     L4
  mov    -0x4(%rbp),%eax
  sub    $0x57,%eax
  jmp    L75
L4:
  mov    $0xffffffff,%eax
L75:
  pop    %rbp
  ret
```

assistant: ```c
int from_hex(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  else if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  else if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  else
    return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<from_hex>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L3
  lea    -0x41(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L7
  lea    -0x61(%rdi),%eax
  cmp    $0x5,%eax
  ja     L27
  lea    -0x57(%rdi),%eax
  ret
L7:
  lea    -0x37(%rdi),%eax
  ret
L27:
  mov    $0xffffffff,%eax
L3:
  ret
```

assistant: ```c
int from_hex(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  else if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  else if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  else
    return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<from_hex>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L8
  lea    -0x41(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L11
  lea    -0x61(%rdi),%eax
  cmp    $0x5,%eax
  ja     L0
  lea    -0x57(%rdi),%eax
  ret
L0:
  mov    $0xffffffff,%eax
L8:
  ret
  cs nopw 0x0(%rax,%rax,1)
L11:
  lea    -0x37(%rdi),%eax
  ret
```

assistant: ```c
int from_hex(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  else if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  else if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  else
    return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<from_hex>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L1
  lea    -0x41(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L26
  lea    -0x61(%rdi),%eax
  cmp    $0x5,%eax
  ja     L7
  lea    -0x57(%rdi),%eax
  ret
L7:
  mov    $0xffffffff,%eax
L1:
  ret
  cs nopw 0x0(%rax,%rax,1)
L26:
  lea    -0x37(%rdi),%eax
  ret
```

assistant: ```c
int from_hex(int c) {
  if (c >= '0' && c <= '9')
    return c - '0';
  else if (c >= 'A' && c <= 'F')
    return c - 'A' + 10;
  else if (c >= 'a' && c <= 'f')
    return c - 'a' + 10;
  else
    return -1;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<timestring>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <ctime@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  mov    %rax,%rsi
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  call   <strcpy@plt>
  movb   $0x0,D16(%rip)
  lea    D27(%rip),%rax
  leave
  ret
```

assistant: ```c
char *timestring(time_t *t) {
  char *str;
  static char buf[26];
  str = ctime(t);
  strcpy(buf, &str[4]);
  buf[12] = '\0';
  return buf;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<timestring>:
  endbr64
  push   %rbx
  call   <ctime@plt>
  lea    0x4(%rax),%rsi
  lea    D10(%rip),%rbx
  mov    %rbx,%rdi
  call   <strcpy@plt>
  movb   $0x0,D6(%rip)
  mov    %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
char *timestring(time_t *t) {
  char *str;
  static char buf[26];
  str = ctime(t);
  strcpy(buf, &str[4]);
  buf[12] = '\0';
  return buf;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<timestring>:
  endbr64
  push   %r12
  lea    D4(%rip),%r12
  call   <ctime@plt>
  mov    %r12,%rdi
  lea    0x4(%rax),%rsi
  call   <strcpy@plt>
  mov    %r12,%rax
  movb   $0x0,D12(%rip)
  pop    %r12
  ret
```

assistant: ```c
char *timestring(time_t *t) {
  char *str;
  static char buf[26];
  str = ctime(t);
  strcpy(buf, &str[4]);
  buf[12] = '\0';
  return buf;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<timestring>:
  endbr64
  push   %r12
  lea    D16(%rip),%r12
  call   <ctime@plt>
  mov    %r12,%rdi
  lea    0x4(%rax),%rsi
  call   <strcpy@plt>
  mov    %r12,%rax
  movb   $0x0,D1(%rip)
  pop    %r12
  ret
```

assistant: ```c
char *timestring(time_t *t) {
  char *str;
  static char buf[26];
  str = ctime(t);
  strcpy(buf, &str[4]);
  buf[12] = '\0';
  return buf;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<get_filename>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%ecx
  mov    %rax,%rdx
  lea    D25(%rip),%rax
  mov    %rax,%rsi
  lea    D22(%rip),%rax
  mov    %rax,%rdi
  call   <sprintf@plt>
  lea    D22(%rip),%rax
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D25
type_guessed: string

tool: D25: /tmp/location_convert_%s_%d

assistant: ```c
char *get_filename(char *key) {
  static char filename[128];
  sprintf(filename, "/tmp/location_convert_%s_%d", key, getpid());
  return filename;
}
```
user: Translate the below assembly code into C programming language:

```asm
<get_filename>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%ecx
  mov    %rbx,%rdx
  lea    D0(%rip),%rsi
  lea    D12(%rip),%rbx
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %rbx,%rax
  pop    %rbx
  ret
```

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

tool: D0: /tmp/location_convert_%s_%d

assistant: ```c
char *get_filename(char *key) {
  static char filename[128];
  sprintf(filename, "/tmp/location_convert_%s_%d", key, getpid());
  return filename;
}
```
user: What is the c source code of the assembly code below?

```asm
<get_filename>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %rdi,%r12
  call   <getpid@plt>
  mov    %r12,%rdx
  lea    D2(%rip),%r12
  lea    D13(%rip),%rsi
  mov    %r12,%rdi
  mov    %eax,%ecx
  call   <sprintf@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

tool_calls: name: parse_data
arguments: tag: D13
data_type: string

tool: D13: /tmp/location_convert_%s_%d

assistant: ```c
char *get_filename(char *key) {
  static char filename[128];
  sprintf(filename, "/tmp/location_convert_%s_%d", key, getpid());
  return filename;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<get_filename>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %rdi,%r12
  call   <getpid@plt>
  mov    %r12,%rdx
  lea    D11(%rip),%r12
  lea    D16(%rip),%rsi
  mov    %r12,%rdi
  mov    %eax,%ecx
  call   <sprintf@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

tool_calls: name: read_data
arguments: label: D16
type: string

tool: D16: /tmp/location_convert_%s_%d

assistant: ```c
char *get_filename(char *key) {
  static char filename[128];
  sprintf(filename, "/tmp/location_convert_%s_%d", key, getpid());
  return filename;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<SensorSetMirrorFlip_SP80818>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,%eax
  mov    %al,-0x14(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  notb   -0x14(%rbp)
  lea    -0x9(%rbp),%rax
  mov    %rax,%rsi
  mov    $0xc,%edi
  call   <VIM_SIF_I2cReadByte@plt>
  movzbl -0x9(%rbp),%eax
  and    $0x1f,%eax
  mov    %eax,%edx
  movzbl -0x14(%rbp),%eax
  shl    $0x5,%eax
  and    $0x60,%eax
  or     %edx,%eax
  movzbl %al,%eax
  mov    %eax,%esi
  mov    $0xc,%edi
  call   <VIM_SIF_I2cWriteByte@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
void SensorSetMirrorFlip_SP80818(unsigned char val) {
  unsigned char x;
  val = ~val;
  VIM_SIF_I2cReadByte(0x0c, &x);
  VIM_SIF_I2cWriteByte(0x0c, (unsigned char)(x & 0x1f) | ((val & 0x03) << 5));
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<SensorSetMirrorFlip_SP80818>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  mov    $0xc,%edi
  call   <VIM_SIF_I2cReadByte@plt>
  mov    %ebx,%esi
  not    %esi
  shl    $0x5,%esi
  and    $0x60,%esi
  movzbl 0x7(%rsp),%eax
  and    $0x1f,%eax
  or     %eax,%esi
  movzbl %sil,%esi
  mov    $0xc,%edi
  call   <VIM_SIF_I2cWriteByte@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x10,%rsp
  pop    %rbx
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void SensorSetMirrorFlip_SP80818(unsigned char val) {
  unsigned char x;
  val = ~val;
  VIM_SIF_I2cReadByte(0x0c, &x);
  VIM_SIF_I2cWriteByte(0x0c, (unsigned char)(x & 0x1f) | ((val & 0x03) << 5));
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<SensorSetMirrorFlip_SP80818>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  mov    $0xc,%edi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <VIM_SIF_I2cReadByte@plt>
  mov    %ebx,%esi
  movzbl 0x7(%rsp),%eax
  mov    $0xc,%edi
  not    %esi
  shl    $0x5,%esi
  and    $0x1f,%eax
  and    $0x60,%esi
  or     %eax,%esi
  movsbl %sil,%esi
  call   <VIM_SIF_I2cWriteByte@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x10,%rsp
  pop    %rbx
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void SensorSetMirrorFlip_SP80818(unsigned char val) {
  unsigned char x;
  val = ~val;
  VIM_SIF_I2cReadByte(0x0c, &x);
  VIM_SIF_I2cWriteByte(0x0c, (unsigned char)(x & 0x1f) | ((val & 0x03) << 5));
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<SensorSetMirrorFlip_SP80818>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  mov    $0xc,%edi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <VIM_SIF_I2cReadByte@plt>
  mov    %ebx,%esi
  movzbl 0x7(%rsp),%eax
  mov    $0xc,%edi
  not    %esi
  shl    $0x5,%esi
  and    $0x1f,%eax
  and    $0x60,%esi
  or     %eax,%esi
  movsbl %sil,%esi
  call   <VIM_SIF_I2cWriteByte@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x10,%rsp
  pop    %rbx
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void SensorSetMirrorFlip_SP80818(unsigned char val) {
  unsigned char x;
  val = ~val;
  VIM_SIF_I2cReadByte(0x0c, &x);
  VIM_SIF_I2cWriteByte(0x0c, (unsigned char)(x & 0x1f) | ((val & 0x03) << 5));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<do_local_client_step>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x430,%rsp
  mov    %edi,-0x424(%rbp)
  mov    %rsi,-0x430(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x410(%rbp),%rax
  mov    $0x400,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  jmp    L25
L2:
  movb   $0x0,-0x11(%rbp)
  cmpq   $0x0,-0x430(%rbp)
  je     L36
  lea    -0x410(%rbp),%rax
  mov    -0x430(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
L36:
  lea    -0x410(%rbp),%rax
  mov    $0x400,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
L25:
  lea    -0x410(%rbp),%rsi
  mov    -0x424(%rbp),%eax
  mov    $0x0,%ecx
  mov    $0x3ff,%edx
  mov    %eax,%edi
  call   <recv@plt>
  mov    %eax,-0x414(%rbp)
  cmpl   $0x0,-0x414(%rbp)
  jg     L2
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L16
  call   <__stack_chk_fail@plt>
L16:
  leave
  ret
```

assistant: ```c
int do_local_client_step(int fd, void (*process)(char *buf)) {
  int numbytes;
  char buf[1024];
  memset(buf, 0, sizeof(buf));
  while ((numbytes = recv(fd, buf, sizeof(buf) - 1, 0)) > 0) {
    buf[sizeof(buf) - 1] = '\0';
    if (process)
      process(buf);
    memset(buf, 0, sizeof(buf));
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<do_local_client_step>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x410,%rsp
  mov    %edi,%r12d
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x408(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    $0x400,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  mov    %rsp,%rbx
  jmp    L19
L10:
  mov    %rbx,%rdi
  call   *%rbp
L1:
  mov    $0x400,%edx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <memset@plt>
L19:
  mov    $0x0,%ecx
  mov    $0x3ff,%edx
  mov    %rbx,%rsi
  mov    %r12d,%edi
  call   <recv@plt>
  test   %eax,%eax
  jle    L46
  movb   $0x0,0x3ff(%rsp)
  test   %rbp,%rbp
  jne    L10
  jmp    L1
L46:
  mov    0x408(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L35
  mov    $0x0,%eax
  add    $0x410,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L35:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int do_local_client_step(int fd, void (*process)(char *buf)) {
  int numbytes;
  char buf[1024];
  memset(buf, 0, sizeof(buf));
  while ((numbytes = recv(fd, buf, sizeof(buf) - 1, 0)) > 0) {
    buf[sizeof(buf) - 1] = '\0';
    if (process)
      process(buf);
    memset(buf, 0, sizeof(buf));
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<do_local_client_step>:
  endbr64
  push   %r12
  mov    $0x400,%edx
  mov    %edi,%r12d
  push   %rbp
  mov    %rsi,%rbp
  xor    %esi,%esi
  push   %rbx
  sub    $0x410,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x408(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  mov    %rbx,%rdi
  call   <memset@plt>
  jmp    L27
  nopl   0x0(%rax)
L21:
  movb   $0x0,0x3ff(%rsp)
  test   %rbp,%rbp
  je     L6
  mov    %rbx,%rdi
  call   *%rbp
L6:
  mov    $0x400,%edx
  xor    %esi,%esi
  mov    %rbx,%rdi
  call   <memset@plt>
L27:
  xor    %ecx,%ecx
  mov    $0x3ff,%edx
  mov    %rbx,%rsi
  mov    %r12d,%edi
  call   <recv@plt>
  test   %eax,%eax
  jg     L21
  mov    0x408(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x410,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int do_local_client_step(int fd, void (*process)(char *buf)) {
  int numbytes;
  char buf[1024];
  memset(buf, 0, sizeof(buf));
  while ((numbytes = recv(fd, buf, sizeof(buf) - 1, 0)) > 0) {
    buf[sizeof(buf) - 1] = '\0';
    if (process)
      process(buf);
    memset(buf, 0, sizeof(buf));
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<do_local_client_step>:
  endbr64
  push   %r12
  mov    $0x400,%edx
  mov    %rsi,%r12
  xor    %esi,%esi
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  sub    $0x410,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x408(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  mov    %rbx,%rdi
  call   <memset@plt>
  test   %r12,%r12
  jne    L0
  jmp    L6
L4:
  mov    %rbx,%rdi
  movb   $0x0,0x3ff(%rsp)
  call   *%r12
  mov    $0x400,%edx
  xor    %esi,%esi
  mov    %rbx,%rdi
  call   <memset@plt>
L0:
  xor    %ecx,%ecx
  mov    $0x3ff,%edx
  mov    %rbx,%rsi
  mov    %ebp,%edi
  call   <recv@plt>
  test   %eax,%eax
  jg     L4
L2:
  mov    0x408(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  add    $0x410,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L8:
  mov    $0x400,%edx
  xor    %esi,%esi
  mov    %rbx,%rdi
  movb   $0x0,0x3ff(%rsp)
  call   <memset@plt>
L6:
  xor    %ecx,%ecx
  mov    $0x3ff,%edx
  mov    %rbx,%rsi
  mov    %ebp,%edi
  call   <recv@plt>
  test   %eax,%eax
  jg     L8
  jmp    L2
L28:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int do_local_client_step(int fd, void (*process)(char *buf)) {
  int numbytes;
  char buf[1024];
  memset(buf, 0, sizeof(buf));
  while ((numbytes = recv(fd, buf, sizeof(buf) - 1, 0)) > 0) {
    buf[sizeof(buf) - 1] = '\0';
    if (process)
      process(buf);
    memset(buf, 0, sizeof(buf));
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<strutil_insert>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x38(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L3
  mov    $0x0,%eax
  jmp    L18
L3:
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <calloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  jne    L16
  mov    -0x10(%rbp),%rdx
  mov    -0x30(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x18(%rbp),%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncat@plt>
  jmp    L26
L16:
  mov    -0x38(%rbp),%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x10(%rbp),%rdx
  mov    -0x30(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncat@plt>
  mov    -0x18(%rbp),%rax
  sub    -0x38(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  add    %rax,%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncat@plt>
L26:
  mov    -0x8(%rbp),%rax
L18:
  leave
  ret
```

assistant: ```c
char *strutil_insert(char *original, char *additional, size_t index) {
  size_t lo = strlen(original);
  size_t la = strlen(additional);
  if (index >= lo) {
    return NULL;
  }
  char *expanded = calloc(lo + la, sizeof(char));
  if (index == 0) {
    strncpy(expanded, additional, la);
    strncat(expanded, original, lo);
  } else {
    strncpy(expanded, original, index);
    strncat(expanded, additional, la);
    strncat(expanded, original + index, lo - index);
  }
  return expanded;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<strutil_insert>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%r14
  mov    %rdx,%r13
  call   <strlen@plt>
  mov    $0x0,%ebp
  cmp    %r13,%rax
  jbe    L11
  mov    %rax,%rbx
  mov    %r14,%rdi
  call   <strlen@plt>
  mov    %rax,%r15
  lea    (%rbx,%rax,1),%rdi
  mov    $0x1,%esi
  call   <calloc@plt>
  mov    %rax,%rbp
  test   %r13,%r13
  jne    L8
  mov    %r15,%rdx
  mov    %r14,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strncat@plt>
L11:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L8:
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    %r15,%rdx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strncat@plt>
  sub    %r13,%rbx
  mov    %rbx,%rdx
  lea    (%r12,%r13,1),%rsi
  mov    %rbp,%rdi
  call   <strncat@plt>
  jmp    L11
```

assistant: ```c
char *strutil_insert(char *original, char *additional, size_t index) {
  size_t lo = strlen(original);
  size_t la = strlen(additional);
  if (index >= lo) {
    return NULL;
  }
  char *expanded = calloc(lo + la, sizeof(char));
  if (index == 0) {
    strncpy(expanded, additional, la);
    strncat(expanded, original, lo);
  } else {
    strncpy(expanded, original, index);
    strncat(expanded, additional, la);
    strncat(expanded, original + index, lo - index);
  }
  return expanded;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<strutil_insert>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  cmp    %rbx,%rax
  jbe    L28
  mov    %r14,%rdi
  mov    %rax,%r12
  call   <strlen@plt>
  mov    $0x1,%esi
  lea    (%r12,%rax,1),%rdi
  mov    %rax,%r15
  call   <calloc@plt>
  mov    %rax,%r13
  test   %rbx,%rbx
  jne    L18
  mov    %r15,%rdx
  mov    %r14,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <strncat@plt>
L28:
  add    $0x8,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L18:
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    %r15,%rdx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <strncat@plt>
  mov    %r12,%rdx
  lea    0x0(%rbp,%rbx,1),%rsi
  mov    %r13,%rdi
  sub    %rbx,%rdx
  call   <strncat@plt>
  jmp    L28
```

assistant: ```c
char *strutil_insert(char *original, char *additional, size_t index) {
  size_t lo = strlen(original);
  size_t la = strlen(additional);
  if (index >= lo) {
    return NULL;
  }
  char *expanded = calloc(lo + la, sizeof(char));
  if (index == 0) {
    strncpy(expanded, additional, la);
    strncat(expanded, original, lo);
  } else {
    strncpy(expanded, original, index);
    strncat(expanded, additional, la);
    strncat(expanded, original + index, lo - index);
  }
  return expanded;
}
```