ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么：

```asm
<guess_output>:
  endbr64
  push   %rbx
  sub    $0x50,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdx
  mov    $0x0,%ecx
  lea    D14(%rip),%rsi
  call   <symtab_lookup@plt>
  test   %rax,%rax
  jne    L3
L27:
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L39
  mov    $0x0,%eax
  mov    $0xffffffff,%ecx
L23:
  cmp    $0x2e,%dl
  cmove  %eax,%ecx
  add    $0x1,%rax
  movzbl (%rbx,%rax,1),%edx
  test   %dl,%dl
  jne    L23
  cmp    $0xffffffff,%ecx
  je     L29
  mov    %rsp,%rsi
  movslq %ecx,%rcx
  lea    0x1(%rbx,%rcx,1),%rdi
  call   <strcpy@plt>
  mov    $0x0,%ecx
L29:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L46
  mov    %ecx,%eax
  add    $0x50,%rsp
  pop    %rbx
  ret
L3:
  lea    D4(%rip),%rdi
  call   <printf@plt>
  movl   $0x786568,(%rsp)
  jmp    L27
L39:
  mov    $0xffffffff,%ecx
  jmp    L29
L46:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D14
data_type: string
name: parse_data
arguments: data_label: D4
data_type: string

tool: D14: $outfmt

tool: D4: INFO: Unknown output format, defaulting to hex


assistant: ```c
int guess_output(struct SymTab **prgSyms, char *out) {
  int x, pIdx = -1;
  char fmtname[64];
  if (symtab_lookup(prgSyms, "$outfmt", fmtname, NULL) != 0) {
    printf("INFO: Unknown output format, defaulting to hex\n");
    sprintf(fmtname, "hex");
  }
  for (x = 0; out[x] != '\0'; x++) {
    if (out[x] == '.') {
      pIdx = x;
    }
  }
  if (pIdx == -1) {
    return -1;
  }
  sprintf(&out[pIdx + 1], "%s", fmtname);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<guess_output>:
  endbr64
  push   %rbp
  xor    %ecx,%ecx
  push   %rbx
  mov    %rsi,%rbx
  lea    D13(%rip),%rsi
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdx
  call   <symtab_lookup@plt>
  test   %rax,%rax
  jne    L51
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L36
L11:
  xor    %eax,%eax
  mov    $0xffffffff,%r8d
  nopl   (%rax)
L49:
  cmp    $0x2e,%dl
  cmove  %eax,%r8d
  add    $0x1,%rax
  movzbl (%rbx,%rax,1),%edx
  test   %dl,%dl
  jne    L49
  cmp    $0xffffffff,%r8d
  je     L33
  add    $0x1,%r8d
  mov    %rbp,%rsi
  movslq %r8d,%r8
  lea    (%rbx,%r8,1),%rdi
  call   <strcpy@plt>
  xor    %r8d,%r8d
L33:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x58,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L51:
  lea    D19(%rip),%rdi
  call   <printf@plt>
  movzbl (%rbx),%edx
  movl   $0x786568,(%rsp)
  test   %dl,%dl
  jne    L11
L36:
  mov    $0xffffffff,%r8d
  jmp    L33
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D13
type_infered: string
name: retrieve_data
arguments: data_tag: D19
type_infered: string

tool: D13: $outfmt

tool: D19: INFO: Unknown output format, defaulting to hex


assistant: ```c
int guess_output(struct SymTab **prgSyms, char *out) {
  int x, pIdx = -1;
  char fmtname[64];
  if (symtab_lookup(prgSyms, "$outfmt", fmtname, NULL) != 0) {
    printf("INFO: Unknown output format, defaulting to hex\n");
    sprintf(fmtname, "hex");
  }
  for (x = 0; out[x] != '\0'; x++) {
    if (out[x] == '.') {
      pIdx = x;
    }
  }
  if (pIdx == -1) {
    return -1;
  }
  sprintf(&out[pIdx + 1], "%s", fmtname);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<guess_output>:
  endbr64
  push   %rbp
  xor    %ecx,%ecx
  push   %rbx
  mov    %rsi,%rbx
  lea    D0(%rip),%rsi
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdx
  call   <symtab_lookup@plt>
  test   %rax,%rax
  jne    L45
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L21
L18:
  xor    %eax,%eax
  mov    $0xffffffff,%r8d
  nopl   (%rax)
L8:
  cmp    $0x2e,%dl
  cmove  %eax,%r8d
  add    $0x1,%rax
  movzbl (%rbx,%rax,1),%edx
  test   %dl,%dl
  jne    L8
  cmp    $0xffffffff,%r8d
  je     L46
  add    $0x1,%r8d
  mov    %rbp,%rsi
  movslq %r8d,%r8
  lea    (%rbx,%r8,1),%rdi
  call   <strcpy@plt>
  xor    %r8d,%r8d
L46:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  add    $0x58,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L45:
  lea    D6(%rip),%rdi
  call   <printf@plt>
  movzbl (%rbx),%edx
  movl   $0x786568,(%rsp)
  test   %dl,%dl
  jne    L18
L21:
  mov    $0xffffffff,%r8d
  jmp    L46
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D0
datatype: string
name: retrieve_data
arguments: data_label: D6
datatype: string

tool: D0: $outfmt

tool: D6: INFO: Unknown output format, defaulting to hex


assistant: ```c
int guess_output(struct SymTab **prgSyms, char *out) {
  int x, pIdx = -1;
  char fmtname[64];
  if (symtab_lookup(prgSyms, "$outfmt", fmtname, NULL) != 0) {
    printf("INFO: Unknown output format, defaulting to hex\n");
    sprintf(fmtname, "hex");
  }
  for (x = 0; out[x] != '\0'; x++) {
    if (out[x] == '.') {
      pIdx = x;
    }
  }
  if (pIdx == -1) {
    return -1;
  }
  sprintf(&out[pIdx + 1], "%s", fmtname);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<print_str>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L18
L7:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <to_stdout@plt>
  addl   $0x1,-0x4(%rbp)
L18:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L7
  nop
  nop
  leave
  ret
```

assistant: ```c
void print_str(char *s) {
  int i;
  i = 0;
  while (s[i] != '\0') {
    to_stdout(s[i]);
    i = i + 1;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<print_str>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L2
  push   %rbx
  lea    0x1(%rdi),%rbx
L18:
  movsbl %al,%edi
  call   <to_stdout@plt>
  add    $0x1,%rbx
  movzbl -0x1(%rbx),%eax
  test   %al,%al
  jne    L18
  pop    %rbx
  ret
L2:
  ret
```

assistant: ```c
void print_str(char *s) {
  int i;
  i = 0;
  while (s[i] != '\0') {
    to_stdout(s[i]);
    i = i + 1;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<print_str>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L19
  push   %rbx
  lea    0x1(%rdi),%rbx
L5:
  movsbl %al,%edi
  add    $0x1,%rbx
  call   <to_stdout@plt>
  movzbl -0x1(%rbx),%eax
  test   %al,%al
  jne    L5
  pop    %rbx
  ret
  cs nopw 0x0(%rax,%rax,1)
L19:
  ret
```

assistant: ```c
void print_str(char *s) {
  int i;
  i = 0;
  while (s[i] != '\0') {
    to_stdout(s[i]);
    i = i + 1;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<print_str>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L13
  push   %rbx
  lea    0x1(%rdi),%rbx
L11:
  movsbl %al,%edi
  add    $0x1,%rbx
  call   <to_stdout@plt>
  movzbl -0x1(%rbx),%eax
  test   %al,%al
  jne    L11
  pop    %rbx
  ret
  cs nopw 0x0(%rax,%rax,1)
L13:
  ret
```

assistant: ```c
void print_str(char *s) {
  int i;
  i = 0;
  while (s[i] != '\0') {
    to_stdout(s[i]);
    i = i + 1;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x0,%eax
  call   <megaInit@plt>
  cmpl   $0x2,-0x34(%rbp)
  je     L32
  mov    $0x1,%esi
  lea    D25(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%edi
  call   <exit@plt>
L32:
  movl   $0x0,-0x28(%rbp)
  jmp    L38
L7:
  mov    -0x28(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    $0xa,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <strtoul@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x28(%rbp),%eax
  cltq
  mov    -0x20(%rbp),%rdx
  mov    %rdx,-0x18(%rbp,%rax,8)
  addl   $0x1,-0x28(%rbp)
L38:
  cmpl   $0x0,-0x28(%rbp)
  jle    L7
  lea    -0x10(%rbp),%rdx
  lea    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <RandomFunc@plt>
  mov    -0x10(%rbp),%rax
  cmp    $0x219c83,%rax
  jne    L44
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L44:
  movl   $0x0,-0x24(%rbp)
  jmp    L25
L17:
  mov    -0x24(%rbp),%eax
  cltq
  mov    -0x10(%rbp,%rax,8),%rax
  mov    %rax,%rsi
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x24(%rbp)
L25:
  cmpl   $0x0,-0x24(%rbp)
  jle    L17
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L16
  call   <__stack_chk_fail@plt>
L16:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D25
type_infered: string
name: retrieve_data
arguments: data_label: D28
type_infered: string
name: retrieve_data
arguments: data_label: D14
type_infered: string

tool: D25: Call this program with %i arguments


tool: D28: You win!

tool: D14: %lu


assistant: ```c
int main(int argc, char *argv[]) {
  unsigned long input[1];
  unsigned long output[1];
  int randomFuns_i5;
  unsigned long randomFuns_value6;
  int randomFuns_main_i7;
  {
    megaInit();
    if (argc != 2) {
      printf("Call this program with %i arguments\n", 1);
      exit(-1);
    } else {
    }
    randomFuns_i5 = 0;
    while (randomFuns_i5 < 1) {
      randomFuns_value6 = strtoul(argv[randomFuns_i5 + 1], 0, 10);
      input[randomFuns_i5] = randomFuns_value6;
      randomFuns_i5++;
    }
    RandomFunc(input, output);
    if (output[0] == 2202755UL) {
      printf("You win!\n");
    } else {
    }
    randomFuns_main_i7 = 0;
    while (randomFuns_main_i7 < 1) {
      printf("%lu\n", output[randomFuns_main_i7]);
      randomFuns_main_i7++;
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,%ebp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <megaInit@plt>
  cmp    $0x2,%ebp
  jne    L31
L49:
  mov    0x8(%rbx),%rdi
  mov    $0xa,%edx
  mov    $0x0,%esi
  call   <strtoul@plt>
  mov    %rax,0x8(%rsp)
  lea    0x10(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  call   <RandomFunc@plt>
  cmpq   $0x219c83,0x10(%rsp)
  je     L48
L0:
  mov    0x10(%rsp),%rsi
  lea    D24(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L33
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  ret
L31:
  mov    $0x1,%esi
  lea    D10(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L49
L48:
  lea    D1(%rip),%rdi
  call   <puts@plt>
  jmp    L0
L33:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D24
type_guessed: string
name: retrieve_data
arguments: tag: D10
type_guessed: string
name: retrieve_data
arguments: tag: D1
type_guessed: string

tool: D24: %lu


tool: D10: Call this program with %i arguments


tool: D1: You win!

assistant: ```c
int main(int argc, char *argv[]) {
  unsigned long input[1];
  unsigned long output[1];
  int randomFuns_i5;
  unsigned long randomFuns_value6;
  int randomFuns_main_i7;
  {
    megaInit();
    if (argc != 2) {
      printf("Call this program with %i arguments\n", 1);
      exit(-1);
    } else {
    }
    randomFuns_i5 = 0;
    while (randomFuns_i5 < 1) {
      randomFuns_value6 = strtoul(argv[randomFuns_i5 + 1], 0, 10);
      input[randomFuns_i5] = randomFuns_value6;
      randomFuns_i5++;
    }
    RandomFunc(input, output);
    if (output[0] == 2202755UL) {
      printf("You win!\n");
    } else {
    }
    randomFuns_main_i7 = 0;
    while (randomFuns_main_i7 < 1) {
      printf("%lu\n", output[randomFuns_main_i7]);
      randomFuns_main_i7++;
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <megaInit@plt>
  cmp    $0x2,%ebp
  je     L33
  lea    D23(%rip),%rdi
  mov    $0x1,%esi
  xor    %eax,%eax
  call   <printf@plt>
  or     $0xffffffff,%edi
  call   <exit@plt>
L33:
  mov    0x8(%rbx),%rdi
  mov    $0xa,%edx
  xor    %esi,%esi
  call   <strtoul@plt>
  lea    0x10(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  mov    %rax,0x8(%rsp)
  call   <RandomFunc@plt>
  mov    0x10(%rsp),%rsi
  cmp    $0x219c83,%rsi
  je     L37
L1:
  xor    %eax,%eax
  lea    D18(%rip),%rdi
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  add    $0x28,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L37:
  lea    D5(%rip),%rdi
  call   <puts@plt>
  mov    0x10(%rsp),%rsi
  jmp    L1
L10:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D23
datatype: string
name: retrieve_data
arguments: label: D18
datatype: string
name: retrieve_data
arguments: label: D5
datatype: string

tool: D23: Call this program with %i arguments


tool: D18: %lu


tool: D5: You win!

assistant: ```c
int main(int argc, char *argv[]) {
  unsigned long input[1];
  unsigned long output[1];
  int randomFuns_i5;
  unsigned long randomFuns_value6;
  int randomFuns_main_i7;
  {
    megaInit();
    if (argc != 2) {
      printf("Call this program with %i arguments\n", 1);
      exit(-1);
    } else {
    }
    randomFuns_i5 = 0;
    while (randomFuns_i5 < 1) {
      randomFuns_value6 = strtoul(argv[randomFuns_i5 + 1], 0, 10);
      input[randomFuns_i5] = randomFuns_value6;
      randomFuns_i5++;
    }
    RandomFunc(input, output);
    if (output[0] == 2202755UL) {
      printf("You win!\n");
    } else {
    }
    randomFuns_main_i7 = 0;
    while (randomFuns_main_i7 < 1) {
      printf("%lu\n", output[randomFuns_main_i7]);
      randomFuns_main_i7++;
    }
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <megaInit@plt>
  cmp    $0x2,%ebp
  je     L39
  lea    D29(%rip),%rdi
  mov    $0x1,%esi
  xor    %eax,%eax
  call   <printf@plt>
  or     $0xffffffff,%edi
  call   <exit@plt>
L39:
  mov    0x8(%rbx),%rdi
  mov    $0xa,%edx
  xor    %esi,%esi
  call   <strtoul@plt>
  lea    0x10(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  mov    %rax,0x8(%rsp)
  call   <RandomFunc@plt>
  mov    0x10(%rsp),%rsi
  cmp    $0x219c83,%rsi
  je     L10
L24:
  xor    %eax,%eax
  lea    D26(%rip),%rdi
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x28,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L10:
  lea    D10(%rip),%rdi
  call   <puts@plt>
  mov    0x10(%rsp),%rsi
  jmp    L24
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D29
datatype: string
name: parse_data
arguments: data_label: D26
datatype: string
name: parse_data
arguments: data_label: D10
datatype: string

tool: D29: Call this program with %i arguments


tool: D26: %lu


tool: D10: You win!

assistant: ```c
int main(int argc, char *argv[]) {
  unsigned long input[1];
  unsigned long output[1];
  int randomFuns_i5;
  unsigned long randomFuns_value6;
  int randomFuns_main_i7;
  {
    megaInit();
    if (argc != 2) {
      printf("Call this program with %i arguments\n", 1);
      exit(-1);
    } else {
    }
    randomFuns_i5 = 0;
    while (randomFuns_i5 < 1) {
      randomFuns_value6 = strtoul(argv[randomFuns_i5 + 1], 0, 10);
      input[randomFuns_i5] = randomFuns_value6;
      randomFuns_i5++;
    }
    RandomFunc(input, output);
    if (output[0] == 2202755UL) {
      printf("You win!\n");
    } else {
    }
    randomFuns_main_i7 = 0;
    while (randomFuns_main_i7 < 1) {
      printf("%lu\n", output[randomFuns_main_i7]);
      randomFuns_main_i7++;
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<split_plmn>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L28
  mov    $0xffffffff,%eax
  jmp    L17
L28:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  sar    $0x4,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  add    $0x4,%rax
  and    $0xf,%edx
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%edx
  mov    -0x10(%rbp),%rax
  add    $0x8,%rax
  and    $0xf,%edx
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  and    $0xf0,%eax
  cmp    $0xf0,%eax
  jne    L2
  mov    -0x8(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  and    $0xf,%edx
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  sar    $0x4,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x8,%rax
  and    $0xf,%edx
  mov    %edx,(%rax)
  mov    -0x18(%rbp),%rax
  movl   $0x0,(%rax)
  jmp    L19
L2:
  mov    -0x8(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  sar    $0x4,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  and    $0xf,%edx
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  sar    $0x4,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x8,%rax
  and    $0xf,%edx
  mov    %edx,(%rax)
L19:
  mov    $0x0,%eax
L17:
  pop    %rbp
  ret
```

assistant: ```c
int split_plmn(uint8_t plmn[3], uint8_t mcc[3], uint8_t mnc[3]) {
  if (plmn == NULL) {
    return -1;
  }
  mcc[0] = plmn[0] & 0x0F;
  mcc[1] = (plmn[0] & 0xF0) >> 4;
  mcc[2] = plmn[1] & 0x0F;
  if ((plmn[1] & 0xF0) == 0xF0) {
    mnc[1] = plmn[2] & 0x0F;
    mnc[2] = (plmn[2] & 0xF0) >> 4;
    mnc[0] = 0;
  } else {
    mnc[0] = plmn[2] & 0x0F;
    mnc[1] = (plmn[2] & 0xF0) >> 4;
    mnc[2] = ((plmn[1] & 0xF0) >> 4);
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<split_plmn>:
  endbr64
  test   %rdi,%rdi
  je     L6
  mov    (%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,(%rsi)
  mov    (%rdi),%ecx
  sar    $0x4,%ecx
  and    $0xf,%ecx
  mov    %ecx,0x4(%rsi)
  mov    0x4(%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,0x8(%rsi)
  mov    0x4(%rdi),%ecx
  and    $0xf0,%ecx
  cmp    $0xf0,%ecx
  je     L3
  mov    0x8(%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,(%rdx)
  mov    0x8(%rdi),%ecx
  sar    $0x4,%ecx
  and    $0xf,%ecx
  mov    %ecx,0x4(%rdx)
  mov    0x4(%rdi),%eax
  sar    $0x4,%eax
  and    $0xf,%eax
  mov    %eax,0x8(%rdx)
  mov    $0x0,%eax
  ret
L3:
  mov    0x8(%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,0x4(%rdx)
  mov    0x8(%rdi),%eax
  sar    $0x4,%eax
  and    $0xf,%eax
  mov    %eax,0x8(%rdx)
  movl   $0x0,(%rdx)
  mov    $0x0,%eax
  ret
L6:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int split_plmn(uint8_t plmn[3], uint8_t mcc[3], uint8_t mnc[3]) {
  if (plmn == NULL) {
    return -1;
  }
  mcc[0] = plmn[0] & 0x0F;
  mcc[1] = (plmn[0] & 0xF0) >> 4;
  mcc[2] = plmn[1] & 0x0F;
  if ((plmn[1] & 0xF0) == 0xF0) {
    mnc[1] = plmn[2] & 0x0F;
    mnc[2] = (plmn[2] & 0xF0) >> 4;
    mnc[0] = 0;
  } else {
    mnc[0] = plmn[2] & 0x0F;
    mnc[1] = (plmn[2] & 0xF0) >> 4;
    mnc[2] = ((plmn[1] & 0xF0) >> 4);
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<split_plmn>:
  endbr64
  test   %rdi,%rdi
  je     L13
  mov    (%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,(%rsi)
  mov    (%rdi),%ecx
  sar    $0x4,%ecx
  and    $0xf,%ecx
  mov    %ecx,0x4(%rsi)
  mov    0x4(%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,0x8(%rsi)
  mov    0x4(%rdi),%ecx
  and    $0xf0,%ecx
  cmp    $0xf0,%ecx
  mov    0x8(%rdi),%ecx
  je     L4
  and    $0xf,%ecx
  mov    %ecx,(%rdx)
  mov    0x8(%rdi),%ecx
  sar    $0x4,%ecx
  and    $0xf,%ecx
  mov    %ecx,0x4(%rdx)
  mov    0x4(%rdi),%eax
  sar    $0x4,%eax
  and    $0xf,%eax
  mov    %eax,0x8(%rdx)
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L4:
  and    $0xf,%ecx
  mov    %ecx,0x4(%rdx)
  mov    0x8(%rdi),%eax
  movl   $0x0,(%rdx)
  sar    $0x4,%eax
  and    $0xf,%eax
  mov    %eax,0x8(%rdx)
  xor    %eax,%eax
  ret
L13:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int split_plmn(uint8_t plmn[3], uint8_t mcc[3], uint8_t mnc[3]) {
  if (plmn == NULL) {
    return -1;
  }
  mcc[0] = plmn[0] & 0x0F;
  mcc[1] = (plmn[0] & 0xF0) >> 4;
  mcc[2] = plmn[1] & 0x0F;
  if ((plmn[1] & 0xF0) == 0xF0) {
    mnc[1] = plmn[2] & 0x0F;
    mnc[2] = (plmn[2] & 0xF0) >> 4;
    mnc[0] = 0;
  } else {
    mnc[0] = plmn[2] & 0x0F;
    mnc[1] = (plmn[2] & 0xF0) >> 4;
    mnc[2] = ((plmn[1] & 0xF0) >> 4);
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<split_plmn>:
  endbr64
  test   %rdi,%rdi
  je     L6
  mov    (%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,(%rsi)
  mov    (%rdi),%ecx
  sar    $0x4,%ecx
  and    $0xf,%ecx
  mov    %ecx,0x4(%rsi)
  mov    0x4(%rdi),%ecx
  and    $0xf,%ecx
  mov    %ecx,0x8(%rsi)
  mov    0x4(%rdi),%ecx
  and    $0xf0,%ecx
  cmp    $0xf0,%ecx
  mov    0x8(%rdi),%ecx
  je     L1
  and    $0xf,%ecx
  mov    %ecx,(%rdx)
  mov    0x8(%rdi),%ecx
  sar    $0x4,%ecx
  and    $0xf,%ecx
  mov    %ecx,0x4(%rdx)
  mov    0x4(%rdi),%eax
  sar    $0x4,%eax
  and    $0xf,%eax
  mov    %eax,0x8(%rdx)
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  and    $0xf,%ecx
  mov    %ecx,0x4(%rdx)
  mov    0x8(%rdi),%eax
  movl   $0x0,(%rdx)
  sar    $0x4,%eax
  and    $0xf,%eax
  mov    %eax,0x8(%rdx)
  xor    %eax,%eax
  ret
L6:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int split_plmn(uint8_t plmn[3], uint8_t mcc[3], uint8_t mnc[3]) {
  if (plmn == NULL) {
    return -1;
  }
  mcc[0] = plmn[0] & 0x0F;
  mcc[1] = (plmn[0] & 0xF0) >> 4;
  mcc[2] = plmn[1] & 0x0F;
  if ((plmn[1] & 0xF0) == 0xF0) {
    mnc[1] = plmn[2] & 0x0F;
    mnc[2] = (plmn[2] & 0xF0) >> 4;
    mnc[0] = 0;
  } else {
    mnc[0] = plmn[2] & 0x0F;
    mnc[1] = (plmn[2] & 0xF0) >> 4;
    mnc[2] = ((plmn[1] & 0xF0) >> 4);
  }
  return 0;
}
```