ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x13(%rsp),%r15
  lea    0xe(%rsp),%r14
  movl   $0x39307830,0x9(%rsp)
  mov    %r15,%rdi
  movb   $0x0,0xd(%rsp)
  lea    0x9(%rsp),%rbp
  movl   $0x66617830,0xe(%rsp)
  movb   $0x0,0x12(%rsp)
  movl   $0x46417830,0x13(%rsp)
  movb   $0x0,0x17(%rsp)
  call   <to_lower_str@plt>
  mov    %r14,%rdi
  mov    %eax,%r13d
  xor    %eax,%eax
  call   <to_lower_str@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <to_lower_str@plt>
  mov    %r13d,%ecx
  mov    %r12d,%edx
  lea    D6(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <htoi@plt>
  mov    %r14,%rdi
  mov    %eax,%r13d
  xor    %eax,%eax
  call   <htoi@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <htoi@plt>
  mov    %r13d,%ecx
  mov    %r12d,%edx
  lea    D8(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D6
datatype: string
name: extract_symbolic_data
arguments: tag: D8
datatype: string

tool: D6: tolower: %s %s %s


tool: D8: htoi: %d %d %d


assistant: ```c
int main(void) {
  char hex1[] = "0x09";
  char hex2[] = "0xaf";
  char hex3[] = "0xAF";
  printf("tolower: %s %s %s\n", to_lower_str(hex1), to_lower_str(hex2), to_lower_str(hex3));
  printf("htoi: %d %d %d\n", htoi(hex1), htoi(hex2), htoi(hex3));
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<test_string_until_character_matches>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  lea    D15(%rip),%rax
  mov    %rax,-0x10(%rbp)
  lea    D7(%rip),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    $0x5e,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <timlib_string_until_character_matches@plt>
  mov    %eax,%esi
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D15
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D7
type_guessed: string
name: extract_symbolic_data
arguments: data_label: D17
type_guessed: string

tool: D15: quick_ratio^whatever

tool: D7: quick_ratio

tool: D17: should be 1: is = %d


assistant: ```c
void test_string_until_character_matches(void) {
  char *source = "quick_ratio^whatever";
  char *compare = "quick_ratio";
  printf("should be 1: is = %d\n", timlib_string_until_character_matches(source, compare, '^'));
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<test_string_until_character_matches>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x5e,%edx
  lea    D27(%rip),%rsi
  lea    D25(%rip),%rdi
  call   <timlib_string_until_character_matches@plt>
  mov    %eax,%esi
  lea    D28(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D27
type_infered: string
name: unpack_data
arguments: data_label: D25
type_infered: string
name: unpack_data
arguments: data_label: D28
type_infered: string

tool: D27: quick_ratio

tool: D25: quick_ratio^whatever

tool: D28: should be 1: is = %d


assistant: ```c
void test_string_until_character_matches(void) {
  char *source = "quick_ratio^whatever";
  char *compare = "quick_ratio";
  printf("should be 1: is = %d\n", timlib_string_until_character_matches(source, compare, '^'));
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<test_string_until_character_matches>:
  endbr64
  sub    $0x8,%rsp
  lea    D7(%rip),%rsi
  mov    $0x5e,%edx
  lea    D25(%rip),%rdi
  call   <timlib_string_until_character_matches@plt>
  lea    D11(%rip),%rdi
  add    $0x8,%rsp
  mov    %eax,%esi
  jmp    1060 <printf@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D7
type: string
name: unpack_data
arguments: data_label: D25
type: string
name: unpack_data
arguments: data_label: D11
type: string

tool: D7: quick_ratio

tool: D25: quick_ratio^whatever

tool: D11: should be 1: is = %d


assistant: ```c
void test_string_until_character_matches(void) {
  char *source = "quick_ratio^whatever";
  char *compare = "quick_ratio";
  printf("should be 1: is = %d\n", timlib_string_until_character_matches(source, compare, '^'));
}
```
user: Translate the below assembly code into C programming language:

```asm
<test_string_until_character_matches>:
  endbr64
  sub    $0x8,%rsp
  lea    D29(%rip),%rsi
  mov    $0x5e,%edx
  lea    D6(%rip),%rdi
  call   <timlib_string_until_character_matches@plt>
  lea    D18(%rip),%rdi
  add    $0x8,%rsp
  mov    %eax,%esi
  jmp    1060 <printf@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D29
data_type: string
name: extract_symbolic_data
arguments: data_tag: D6
data_type: string
name: extract_symbolic_data
arguments: data_tag: D18
data_type: string

tool: D29: quick_ratio

tool: D6: quick_ratio^whatever

tool: D18: should be 1: is = %d


assistant: ```c
void test_string_until_character_matches(void) {
  char *source = "quick_ratio^whatever";
  char *compare = "quick_ratio";
  printf("should be 1: is = %d\n", timlib_string_until_character_matches(source, compare, '^'));
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x78(%rbp)
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x70(%rbp),%rax
  mov    %rax,%rdi
  call   <gets@plt>
  lea    -0x70(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x74(%rbp)
  movl   $0x0,-0x7c(%rbp)
  jmp    L105
L43:
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x61,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x41,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x65,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x45,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x69,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x49,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x6f,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x4f,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x75,%al
  je     L72
  mov    -0x7c(%rbp),%eax
  cltq
  movzbl -0x70(%rbp,%rax,1),%eax
  cmp    $0x55,%al
  jne    L22
L72:
  addl   $0x1,-0x78(%rbp)
L22:
  addl   $0x1,-0x7c(%rbp)
L105:
  mov    -0x7c(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jl     L43
  mov    -0x78(%rbp),%eax
  mov    %eax,%esi
  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     L13
  call   <__stack_chk_fail@plt>
L13:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D13
type: string
name: extract_symbolic_data
arguments: data_tag: D19
type: string

tool: D13: 
Entre com uma frase: 

tool: D19: 
Esta frase possui %d vogais

assistant: ```c
int main() {
  char frase[100];
  int tam, i, vogal = 0;
  printf("\nEntre com uma frase: ");
  gets(frase);
  tam = strlen(frase);
  for (i = 0; i < tam; i++) {
    if (frase[i] == 'a' || frase[i] == 'A' || frase[i] == 'e' || frase[i] == 'E' || frase[i] == 'i' || frase[i] == 'I' || frase[i] == 'o' || frase[i] == 'O' || frase[i] == 'u' || frase[i] == 'U') {
      vogal++;
    }
  }
  printf("\nEsta frase possui %d vogais", vogal);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  lea    D11(%rip),%rdi
  call   <printf@plt>
  mov    %rsp,%rbx
  mov    %rbx,%rdi
  call   <gets@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L4
  mov    %rsp,%rdx
  lea    -0x1(%rax),%eax
  lea    0x1(%rsp,%rax,1),%rdi
  mov    $0x0,%esi
  movabs $0x1041100010411,%r8
  jmp    L46
L50:
  add    $0x1,%esi
L33:
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  je     L15
L46:
  movzbl (%rdx),%eax
  mov    %eax,%ecx
  and    $0xffffffdf,%ecx
  cmp    $0x41,%cl
  je     L50
  sub    $0x45,%eax
  cmp    $0x30,%al
  ja     L33
  bt     %rax,%r8
  jae    L33
  jmp    L50
L4:
  mov    $0x0,%esi
L15:
  lea    D15(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L78
  mov    $0x0,%eax
  add    $0x70,%rsp
  pop    %rbx
  ret
L78:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D11
type_guessed: string
name: disassemble_data
arguments: data_tag: D15
type_guessed: string

tool: D11: 
Entre com uma frase: 

tool: D15: 
Esta frase possui %d vogais

assistant: ```c
int main() {
  char frase[100];
  int tam, i, vogal = 0;
  printf("\nEntre com uma frase: ");
  gets(frase);
  tam = strlen(frase);
  for (i = 0; i < tam; i++) {
    if (frase[i] == 'a' || frase[i] == 'A' || frase[i] == 'e' || frase[i] == 'E' || frase[i] == 'i' || frase[i] == 'I' || frase[i] == 'o' || frase[i] == 'O' || frase[i] == 'u' || frase[i] == 'U') {
      vogal++;
    }
  }
  printf("\nEsta frase possui %d vogais", vogal);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbx
  lea    D17(%rip),%rdi
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  call   <printf@plt>
  mov    %rbx,%rdi
  call   <gets@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L49
  sub    $0x1,%eax
  mov    %rbx,%rdx
  xor    %esi,%esi
  movabs $0x1041100010411,%r8
  lea    0x1(%rsp,%rax,1),%rdi
  jmp    L25
  nopl   (%rax)
L29:
  sub    $0x45,%eax
  cmp    $0x30,%al
  ja     L64
  bt     %rax,%r8
  jb     L80
L64:
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  je     L0
L25:
  movzbl (%rdx),%eax
  mov    %eax,%ecx
  and    $0xffffffdf,%ecx
  cmp    $0x41,%cl
  jne    L29
L80:
  add    $0x1,%rdx
  add    $0x1,%esi
  cmp    %rdi,%rdx
  jne    L25
L0:
  xor    %eax,%eax
  lea    D8(%rip),%rdi
  call   <printf@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  add    $0x70,%rsp
  xor    %eax,%eax
  pop    %rbx
  ret
L49:
  xor    %esi,%esi
  jmp    L0
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D17
type_guessed: string
name: unpack_data
arguments: data_tag: D8
type_guessed: string

tool: D17: 
Entre com uma frase: 

tool: D8: 
Esta frase possui %d vogais

assistant: ```c
int main() {
  char frase[100];
  int tam, i, vogal = 0;
  printf("\nEntre com uma frase: ");
  gets(frase);
  tam = strlen(frase);
  for (i = 0; i < tam; i++) {
    if (frase[i] == 'a' || frase[i] == 'A' || frase[i] == 'e' || frase[i] == 'E' || frase[i] == 'i' || frase[i] == 'I' || frase[i] == 'o' || frase[i] == 'O' || frase[i] == 'u' || frase[i] == 'U') {
      vogal++;
    }
  }
  printf("\nEsta frase possui %d vogais", vogal);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbx
  lea    D12(%rip),%rdi
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  call   <printf@plt>
  mov    %rbx,%rdi
  call   <gets@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L64
  sub    $0x1,%eax
  mov    %rbx,%rdx
  xor    %esi,%esi
  movabs $0x1041100010411,%r8
  lea    0x1(%rsp,%rax,1),%rdi
  jmp    L78
  nopl   (%rax)
L25:
  sub    $0x45,%eax
  cmp    $0x30,%al
  ja     L6
  bt     %rax,%r8
  jb     L70
L6:
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  je     L29
L78:
  movzbl (%rdx),%eax
  mov    %eax,%ecx
  and    $0xffffffdf,%ecx
  cmp    $0x41,%cl
  jne    L25
L70:
  add    $0x1,%rdx
  add    $0x1,%esi
  cmp    %rdi,%rdx
  jne    L78
L29:
  xor    %eax,%eax
  lea    D7(%rip),%rdi
  call   <printf@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L80
  add    $0x70,%rsp
  xor    %eax,%eax
  pop    %rbx
  ret
L64:
  xor    %esi,%esi
  jmp    L29
L80:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D12
type_infered: string
name: read_data
arguments: data_label: D7
type_infered: string

tool: D12: 
Entre com uma frase: 

tool: D7: 
Esta frase possui %d vogais

assistant: ```c
int main() {
  char frase[100];
  int tam, i, vogal = 0;
  printf("\nEntre com uma frase: ");
  gets(frase);
  tam = strlen(frase);
  for (i = 0; i < tam; i++) {
    if (frase[i] == 'a' || frase[i] == 'A' || frase[i] == 'e' || frase[i] == 'E' || frase[i] == 'i' || frase[i] == 'I' || frase[i] == 'o' || frase[i] == 'O' || frase[i] == 'u' || frase[i] == 'U') {
      vogal++;
    }
  }
  printf("\nEsta frase possui %d vogais", vogal);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<expand_in_place>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,%eax
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    %al,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xc(%rbp)
  jmp    L85
L10:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x1c(%rbp)
  je     L44
  cmpl   $0x0,-0xc(%rbp)
  js     L44
  subl   $0x1,-0xc(%rbp)
L85:
  cmpl   $0xffffffff,-0xc(%rbp)
  jge    L10
L44:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  js     L50
  cmpl   $0x0,-0x4(%rbp)
  jle    L50
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    -0x4(%rbp),%edx
  add    %edx,%eax
  cltq
  cmp    %rax,-0x30(%rbp)
  jae    L54
  mov    -0x30(%rbp),%rax
  sub    $0x1,%rax
  jmp    L11
L54:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    -0x4(%rbp),%edx
  add    %edx,%eax
  sub    $0x1,%eax
  cltq
L11:
  mov    -0x18(%rbp),%rdx
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    -0x4(%rbp),%edx
  add    %edx,%eax
  cltq
  cmp    %rax,-0x30(%rbp)
  jae    L132
  mov    -0x30(%rbp),%rax
  sub    $0x2,%eax
  jmp    L9
L132:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    -0x4(%rbp),%edx
  add    %edx,%eax
  sub    $0x2,%eax
L9:
  mov    %eax,-0x8(%rbp)
  jmp    L136
L52:
  mov    -0x8(%rbp),%eax
  sub    -0x4(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  subl   $0x1,-0x8(%rbp)
L136:
  mov    -0xc(%rbp),%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  cmp    %eax,-0x8(%rbp)
  jge    L52
  jmp    L62
L87:
  mov    -0x8(%rbp),%eax
  sub    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  subl   $0x1,-0x8(%rbp)
L62:
  mov    -0x8(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jge    L87
L50:
  nop
  leave
  ret
```

assistant: ```c
void expand_in_place(char *string, char token, const char *replacement, size_t maxlength) {
  int pos, len, i;
  for (pos = strlen(string); pos >= -1; pos--) {
    if (string[pos] == token || pos < 0)
      break;
  }
  len = strlen(replacement);
  if (pos >= 0 && len > 0) {
    string[(strlen(string) + len) > maxlength ? (maxlength - 1) : (strlen(string) + len - 1)] = '\0';
    for (i = (strlen(string) + len) > maxlength ? (maxlength - 2) : (strlen(string) + len - 2); i >= (pos + len); i--) {
      string[i] = string[i - len + 1];
    }
    for (; i >= pos; i--) {
      string[i] = replacement[i - pos];
    }
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<expand_in_place>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %esi,%r15d
  mov    %rdx,%r14
  mov    %rcx,%rbp
  mov    %esi,%r13d
  call   <strlen@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  jl     L163
  cltq
  cmp    %r15b,(%r12,%rax,1)
  je     L163
  cmp    $0xffffffff,%ebx
  je     L163
  sub    $0x1,%ebx
  movslq %ebx,%rax
  add    %r12,%rax
L105:
  cmp    %r13b,(%rax)
  je     L163
  cmp    $0xffffffff,%ebx
  je     L163
  sub    $0x1,%ebx
  sub    $0x1,%rax
  cmp    $0xffffffff,%ebx
  jge    L105
L163:
  mov    %r14,%rdi
  call   <strlen@plt>
  mov    %eax,%r13d
  test   %ebx,%ebx
  js     L42
  test   %eax,%eax
  jg     L76
L42:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L76:
  mov    %r12,%rdi
  call   <strlen@plt>
  add    %r13d,%eax
  cltq
  cmp    %rbp,%rax
  jbe    L102
  lea    -0x1(%rbp),%rax
L137:
  movb   $0x0,(%r12,%rax,1)
  mov    %r12,%rdi
  call   <strlen@plt>
  add    %r13d,%eax
  cltq
  cmp    %rbp,%rax
  jbe    L69
  sub    $0x2,%ebp
L121:
  lea    0x0(%r13,%rbx,1),%edi
  cmp    %edi,%ebp
  jl     L37
  movslq %ebp,%rcx
  movslq %r13d,%rdx
  mov    %rcx,%rax
  sub    %rdx,%rax
  lea    0x1(%r12,%rax,1),%rax
  mov    %r12,%rsi
  sub    %rdx,%rsi
  add    %rcx,%rsi
  sub    %edi,%ebp
  sub    %rbp,%rsi
L101:
  movzbl (%rax),%ecx
  mov    %cl,-0x1(%rax,%rdx,1)
  sub    $0x1,%rax
  cmp    %rsi,%rax
  jne    L101
  lea    -0x1(%rdi),%ebp
L37:
  cmp    %ebp,%ebx
  jg     L42
  movslq %ebp,%rbp
  movslq %ebx,%rax
  sub    %rax,%r14
L8:
  movzbl (%r14,%rbp,1),%eax
  mov    %al,(%r12,%rbp,1)
  sub    $0x1,%rbp
  cmp    %ebp,%ebx
  jle    L8
  jmp    L42
L102:
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    -0x1(%r13,%rax,1),%eax
  cltq
  jmp    L137
L69:
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    -0x2(%r13,%rax,1),%ebp
  jmp    L121
```

assistant: ```c
void expand_in_place(char *string, char token, const char *replacement, size_t maxlength) {
  int pos, len, i;
  for (pos = strlen(string); pos >= -1; pos--) {
    if (string[pos] == token || pos < 0)
      break;
  }
  len = strlen(replacement);
  if (pos >= 0 && len > 0) {
    string[(strlen(string) + len) > maxlength ? (maxlength - 1) : (strlen(string) + len - 1)] = '\0';
    for (i = (strlen(string) + len) > maxlength ? (maxlength - 2) : (strlen(string) + len - 2); i >= (pos + len); i--) {
      string[i] = string[i - len + 1];
    }
    for (; i >= pos; i--) {
      string[i] = replacement[i - pos];
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<expand_in_place>:
  endbr64
  push   %r14
  mov    %esi,%r14d
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rcx,%rbx
  call   <strlen@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  jl     L62
  cltq
  jmp    L48
  nopl   0x0(%rax)
L51:
  cmp    $0xffffffff,%eax
  je     L80
  sub    $0x1,%rax
L48:
  mov    %eax,%r12d
  cmp    %r14b,0x0(%r13,%rax,1)
  jne    L51
L62:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%r14d
  test   %r12d,%r12d
  js     L22
  test   %eax,%eax
  jle    L22
  mov    %r13,%rdi
  call   <strlen@plt>
  add    %r14d,%eax
  cltq
  cmp    %rbx,%rax
  jbe    L86
  lea    -0x1(%rbx),%rax
L107:
  movb   $0x0,0x0(%r13,%rax,1)
  mov    %r13,%rdi
  call   <strlen@plt>
  add    %r14d,%eax
  cltq
  cmp    %rbx,%rax
  jbe    L12
  lea    -0x2(%rbx),%eax
L109:
  lea    (%r12,%r14,1),%edi
  cmp    %edi,%eax
  jl     L23
  movslq %eax,%r8
  movslq %r14d,%rcx
  mov    %r13,%rsi
  sub    %edi,%eax
  mov    %r8,%rdx
  sub    %rcx,%rsi
  sub    %rcx,%rdx
  add    %r8,%rsi
  lea    0x1(%r13,%rdx,1),%rdx
  sub    %rax,%rsi
  nopl   0x0(%rax,%rax,1)
L84:
  movzbl (%rdx),%eax
  sub    $0x1,%rdx
  mov    %al,(%rdx,%rcx,1)
  cmp    %rsi,%rdx
  jne    L84
  lea    -0x1(%rdi),%eax
L23:
  cmp    %eax,%r12d
  jg     L22
  movslq %r12d,%rdx
  cltq
  sub    %rdx,%rbp
  nopw   0x0(%rax,%rax,1)
L116:
  movzbl 0x0(%rbp,%rax,1),%edx
  mov    %dl,0x0(%r13,%rax,1)
  sub    $0x1,%rax
  cmp    %eax,%r12d
  jle    L116
L22:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L80:
  pop    %rbx
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1050 <strlen@plt>
L86:
  mov    %r13,%rdi
  call   <strlen@plt>
  lea    -0x1(%r14,%rax,1),%eax
  cltq
  jmp    L107
  nopl   0x0(%rax)
L12:
  mov    %r13,%rdi
  call   <strlen@plt>
  lea    -0x2(%r14,%rax,1),%eax
  jmp    L109
```

assistant: ```c
void expand_in_place(char *string, char token, const char *replacement, size_t maxlength) {
  int pos, len, i;
  for (pos = strlen(string); pos >= -1; pos--) {
    if (string[pos] == token || pos < 0)
      break;
  }
  len = strlen(replacement);
  if (pos >= 0 && len > 0) {
    string[(strlen(string) + len) > maxlength ? (maxlength - 1) : (strlen(string) + len - 1)] = '\0';
    for (i = (strlen(string) + len) > maxlength ? (maxlength - 2) : (strlen(string) + len - 2); i >= (pos + len); i--) {
      string[i] = string[i - len + 1];
    }
    for (; i >= pos; i--) {
      string[i] = replacement[i - pos];
    }
  }
}
```