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
<return_junky_chunk_len>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %edx,-0x44(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x28(%rbp)
  mov    -0x40(%rbp),%rax
  mov    $0x6,%edx
  lea    D6(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <custom_strncasecmp@plt>
  test   %eax,%eax
  jne    L56
  mov    -0x18(%rbp),%rax
  mov    $0x3e,%esi
  mov    %rax,%rdi
  call   <return_chars_until_chr@plt>
  mov    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  cltq
  add    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <return_javascript_body_len@plt>
  mov    %eax,-0x20(%rbp)
  mov    -0x20(%rbp),%eax
  cltq
  add    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x3e,%esi
  mov    %rax,%rdi
  call   <return_chars_until_chr@plt>
  mov    %eax,-0x1c(%rbp)
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%eax
  add    %eax,%edx
  mov    -0x1c(%rbp),%eax
  add    %edx,%eax
  add    %eax,-0x28(%rbp)
  jmp    L44
L57:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x3c,%al
  jne    L6
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jne    L6
  mov    -0x18(%rbp),%rax
  lea    0x2(%rax),%rcx
  mov    -0x44(%rbp),%edx
  mov    -0x40(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <compare_tag@plt>
  test   %rax,%rax
  jne    L6
  mov    -0x28(%rbp),%eax
  lea    0x2(%rax),%ebx
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  mov    $0x3e,%esi
  mov    %rax,%rdi
  call   <return_chars_until_chr@plt>
  add    %ebx,%eax
  jmp    L11
L6:
  addl   $0x1,-0x28(%rbp)
  addq   $0x1,-0x18(%rbp)
L56:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L57
L44:
  mov    -0x28(%rbp),%eax
L11:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D6
type: string

tool: D6: SCRIPT

assistant: ```c
int return_junky_chunk_len(const unsigned char *src, const unsigned char *closing_tag, int closing_tag_len) {
  const unsigned char *rpos = src;
  int junklen = 0;
  int otagsize;
  int bodysize;
  int ctagsize;
  if (!custom_strncasecmp(closing_tag, "SCRIPT", 6)) {
    otagsize = return_chars_until_chr(rpos, '>');
    rpos += otagsize;
    bodysize = return_javascript_body_len(rpos);
    rpos += bodysize;
    ctagsize = return_chars_until_chr(rpos, '>');
    junklen += (otagsize + bodysize + ctagsize);
  } else {
    while (*rpos != '\0') {
      if (*rpos == '<') {
        if (*(rpos + 1) == '/') {
          if (compare_tag(rpos + 2, closing_tag, closing_tag_len) == 0) {
            return (junklen + 2 + return_chars_until_chr(rpos + 2, '>'));
          }
        }
      }
      junklen++;
      rpos++;
    }
  }
  return (junklen);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<return_junky_chunk_len>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    %edx,%r13d
  mov    $0x6,%edx
  lea    D2(%rip),%rsi
  mov    %r12,%rdi
  call   <custom_strncasecmp@plt>
  test   %eax,%eax
  je     L57
  movzbl (%rbx),%eax
  add    $0x2,%rbx
  mov    $0x0,%ebp
  test   %al,%al
  jne    L46
  jmp    L33
L57:
  mov    $0x3e,%esi
  mov    %rbx,%rdi
  call   <return_chars_until_chr@plt>
  mov    %eax,%ebp
  cltq
  add    %rax,%rbx
  mov    %rbx,%rdi
  call   <return_javascript_body_len@plt>
  mov    %eax,%r12d
  cltq
  lea    (%rbx,%rax,1),%rdi
  mov    $0x3e,%esi
  call   <return_chars_until_chr@plt>
  add    %r12d,%ebp
  add    %eax,%ebp
L33:
  mov    %ebp,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L41:
  add    $0x1,%ebp
  add    $0x1,%rbx
  movzbl -0x2(%rbx),%eax
  test   %al,%al
  je     L33
L46:
  cmp    $0x3c,%al
  jne    L41
  cmpb   $0x2f,-0x1(%rbx)
  jne    L41
  mov    %r13d,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <compare_tag@plt>
  test   %rax,%rax
  jne    L41
  mov    $0x3e,%esi
  mov    %rbx,%rdi
  call   <return_chars_until_chr@plt>
  lea    0x2(%rbp,%rax,1),%ebp
  jmp    L33
```

tool_calls: name: retrieve_data
arguments: data_tag: D2
type: string

tool: D2: SCRIPT

assistant: ```c
int return_junky_chunk_len(const unsigned char *src, const unsigned char *closing_tag, int closing_tag_len) {
  const unsigned char *rpos = src;
  int junklen = 0;
  int otagsize;
  int bodysize;
  int ctagsize;
  if (!custom_strncasecmp(closing_tag, "SCRIPT", 6)) {
    otagsize = return_chars_until_chr(rpos, '>');
    rpos += otagsize;
    bodysize = return_javascript_body_len(rpos);
    rpos += bodysize;
    ctagsize = return_chars_until_chr(rpos, '>');
    junklen += (otagsize + bodysize + ctagsize);
  } else {
    while (*rpos != '\0') {
      if (*rpos == '<') {
        if (*(rpos + 1) == '/') {
          if (compare_tag(rpos + 2, closing_tag, closing_tag_len) == 0) {
            return (junklen + 2 + return_chars_until_chr(rpos + 2, '>'));
          }
        }
      }
      junklen++;
      rpos++;
    }
  }
  return (junklen);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<return_junky_chunk_len>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  lea    D4(%rip),%rsi
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %r13,%rdi
  push   %rbx
  mov    %edx,%ebx
  mov    $0x6,%edx
  sub    $0x8,%rsp
  call   <custom_strncasecmp@plt>
  test   %eax,%eax
  je     L72
  movzbl 0x0(%rbp),%eax
  xor    %r12d,%r12d
  add    $0x2,%rbp
  test   %al,%al
  jne    L54
  jmp    L42
  nop
L18:
  add    $0x1,%r12d
  add    $0x1,%rbp
  test   %al,%al
  je     L42
L54:
  movzbl -0x1(%rbp),%edx
  cmp    $0x3c,%al
  mov    %edx,%eax
  jne    L18
  cmp    $0x2f,%dl
  jne    L18
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <compare_tag@plt>
  test   %rax,%rax
  je     L14
  movzbl -0x1(%rbp),%eax
  add    $0x1,%r12d
  add    $0x1,%rbp
  test   %al,%al
  jne    L54
L42:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L72:
  mov    $0x3e,%esi
  mov    %rbp,%rdi
  call   <return_chars_until_chr@plt>
  mov    %eax,%r12d
  cltq
  add    %rax,%rbp
  mov    %rbp,%rdi
  call   <return_javascript_body_len@plt>
  mov    $0x3e,%esi
  mov    %eax,%ebx
  cltq
  lea    0x0(%rbp,%rax,1),%rdi
  add    %ebx,%r12d
  call   <return_chars_until_chr@plt>
  add    $0x8,%rsp
  add    %eax,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12d,%eax
  pop    %r12
  pop    %r13
  ret
L14:
  mov    $0x3e,%esi
  mov    %rbp,%rdi
  call   <return_chars_until_chr@plt>
  lea    0x2(%r12,%rax,1),%r12d
  jmp    L42
```

tool_calls: name: read_data
arguments: tag: D4
type_infered: string

tool: D4: SCRIPT

assistant: ```c
int return_junky_chunk_len(const unsigned char *src, const unsigned char *closing_tag, int closing_tag_len) {
  const unsigned char *rpos = src;
  int junklen = 0;
  int otagsize;
  int bodysize;
  int ctagsize;
  if (!custom_strncasecmp(closing_tag, "SCRIPT", 6)) {
    otagsize = return_chars_until_chr(rpos, '>');
    rpos += otagsize;
    bodysize = return_javascript_body_len(rpos);
    rpos += bodysize;
    ctagsize = return_chars_until_chr(rpos, '>');
    junklen += (otagsize + bodysize + ctagsize);
  } else {
    while (*rpos != '\0') {
      if (*rpos == '<') {
        if (*(rpos + 1) == '/') {
          if (compare_tag(rpos + 2, closing_tag, closing_tag_len) == 0) {
            return (junklen + 2 + return_chars_until_chr(rpos + 2, '>'));
          }
        }
      }
      junklen++;
      rpos++;
    }
  }
  return (junklen);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<return_junky_chunk_len>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  lea    D5(%rip),%rsi
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %r13,%rdi
  push   %rbx
  mov    %edx,%ebx
  mov    $0x6,%edx
  sub    $0x8,%rsp
  call   <custom_strncasecmp@plt>
  test   %eax,%eax
  je     L64
  movzbl 0x0(%rbp),%eax
  xor    %r12d,%r12d
  add    $0x2,%rbp
  test   %al,%al
  jne    L4
  jmp    L33
  nop
L89:
  add    $0x1,%r12d
  add    $0x1,%rbp
  test   %al,%al
  je     L33
L4:
  movzbl -0x1(%rbp),%edx
  cmp    $0x3c,%al
  mov    %edx,%eax
  jne    L89
  cmp    $0x2f,%dl
  jne    L89
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <compare_tag@plt>
  test   %rax,%rax
  je     L16
  movzbl -0x1(%rbp),%eax
  add    $0x1,%r12d
  add    $0x1,%rbp
  test   %al,%al
  jne    L4
L33:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L64:
  mov    $0x3e,%esi
  mov    %rbp,%rdi
  call   <return_chars_until_chr@plt>
  mov    %eax,%r12d
  cltq
  add    %rax,%rbp
  mov    %rbp,%rdi
  call   <return_javascript_body_len@plt>
  mov    $0x3e,%esi
  mov    %eax,%ebx
  cltq
  lea    0x0(%rbp,%rax,1),%rdi
  add    %ebx,%r12d
  call   <return_chars_until_chr@plt>
  add    $0x8,%rsp
  add    %eax,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12d,%eax
  pop    %r12
  pop    %r13
  ret
L16:
  mov    $0x3e,%esi
  mov    %rbp,%rdi
  call   <return_chars_until_chr@plt>
  lea    0x2(%r12,%rax,1),%r12d
  jmp    L33
```

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

tool: D5: SCRIPT

assistant: ```c
int return_junky_chunk_len(const unsigned char *src, const unsigned char *closing_tag, int closing_tag_len) {
  const unsigned char *rpos = src;
  int junklen = 0;
  int otagsize;
  int bodysize;
  int ctagsize;
  if (!custom_strncasecmp(closing_tag, "SCRIPT", 6)) {
    otagsize = return_chars_until_chr(rpos, '>');
    rpos += otagsize;
    bodysize = return_javascript_body_len(rpos);
    rpos += bodysize;
    ctagsize = return_chars_until_chr(rpos, '>');
    junklen += (otagsize + bodysize + ctagsize);
  } else {
    while (*rpos != '\0') {
      if (*rpos == '<') {
        if (*(rpos + 1) == '/') {
          if (compare_tag(rpos + 2, closing_tag, closing_tag_len) == 0) {
            return (junklen + 2 + return_chars_until_chr(rpos + 2, '>'));
          }
        }
      }
      junklen++;
      rpos++;
    }
  }
  return (junklen);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<interactive_addusrgrp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x0,%edi
  call   <list_groups@plt>
  lea    D66(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0x20(%rbp),%rax
  mov    $0x10,%edx
  mov    %rax,%rsi
  lea    D44(%rip),%rax
  mov    %rax,%rdi
  call   <fmyinput@plt>
  mov    %eax,-0x24(%rbp)
  lea    -0x28(%rbp),%rdx
  lea    -0x20(%rbp),%rax
  lea    D74(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sscanf@plt>
  mov    -0x28(%rbp),%eax
  test   %eax,%eax
  jne    L21
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  jmp    L11
L21:
  mov    -0x28(%rbp),%edx
  mov    -0x28(%rbp),%eax
  mov    %eax,%esi
  lea    D43(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D31(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    -0x28(%rbp),%edx
  mov    -0x34(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <add_user_to_grp@plt>
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L11:
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D13
type: string
name: extract_symbolic_data
arguments: data_tag: D66
type: string
name: extract_symbolic_data
arguments: data_tag: D44
type: string
name: extract_symbolic_data
arguments: data_tag: D74
type: string
name: extract_symbolic_data
arguments: data_tag: D27
type: string
name: extract_symbolic_data
arguments: data_tag: D43
type: string
name: extract_symbolic_data
arguments: data_tag: D31
type: string
name: extract_symbolic_data
arguments: data_tag: D30
type: string

tool: D13: 
 == ADD USER TO A GROUP

tool: D66: 
Please enter group number (for example 220), or 0 to go back

tool: D44: Group number? : 

tool: D74: %x

tool: D27: Going back..

tool: D43: Adding user to group 0x%x (%d)


tool: D31: Error messages if the user was already member of the group are harmless


tool: D30: 
Finished adding user to group


assistant: ```c
void interactive_addusrgrp(int rid) {
  char inp[20];
  int grp, l;
  printf("\n == ADD USER TO A GROUP\n");
  list_groups(0);
  printf("\nPlease enter group number (for example 220), or 0 to go back\n");
  l = fmyinput("Group number? : ", inp, 16);
  sscanf(inp, "%x", &grp);
  if (!grp) {
    printf("Going back..\n");
    return;
  }
  printf("Adding user to group 0x%x (%d)\n", grp, grp);
  printf("Error messages if the user was already member of the group are harmless\n\n");
  add_user_to_grp(rid, grp);
  printf("\nFinished adding user to group\n\n");
}
```
user: Translate the below assembly code into C programming language:

```asm
<interactive_addusrgrp>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    D19(%rip),%rdi
  call   <puts@plt>
  mov    $0x0,%edi
  call   <list_groups@plt>
  lea    D49(%rip),%rdi
  call   <puts@plt>
  lea    0x10(%rsp),%rbp
  mov    $0x10,%edx
  mov    %rbp,%rsi
  lea    D12(%rip),%rdi
  call   <fmyinput@plt>
  lea    0xc(%rsp),%rdx
  lea    D53(%rip),%rsi
  mov    %rbp,%rdi
  call   <sscanf@plt>
  mov    0xc(%rsp),%esi
  test   %esi,%esi
  je     L26
  mov    %esi,%edx
  lea    D34(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D78(%rip),%rdi
  call   <puts@plt>
  mov    0xc(%rsp),%esi
  mov    %ebx,%edi
  call   <add_user_to_grp@plt>
  lea    D16(%rip),%rdi
  call   <puts@plt>
L18:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  ret
L26:
  lea    D76(%rip),%rdi
  call   <puts@plt>
  jmp    L18
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D19
datatype: string
name: extract_symbolic_data
arguments: tag: D49
datatype: string
name: extract_symbolic_data
arguments: tag: D12
datatype: string
name: extract_symbolic_data
arguments: tag: D53
datatype: string
name: extract_symbolic_data
arguments: tag: D34
datatype: string
name: extract_symbolic_data
arguments: tag: D78
datatype: string
name: extract_symbolic_data
arguments: tag: D16
datatype: string
name: extract_symbolic_data
arguments: tag: D76
datatype: string

tool: D19: 
 == ADD USER TO A GROUP

tool: D49: 
Please enter group number (for example 220), or 0 to go back

tool: D12: Group number? : 

tool: D53: %x

tool: D34: Adding user to group 0x%x (%d)


tool: D78: Error messages if the user was already member of the group are harmless


tool: D16: 
Finished adding user to group


tool: D76: Going back..

assistant: ```c
void interactive_addusrgrp(int rid) {
  char inp[20];
  int grp, l;
  printf("\n == ADD USER TO A GROUP\n");
  list_groups(0);
  printf("\nPlease enter group number (for example 220), or 0 to go back\n");
  l = fmyinput("Group number? : ", inp, 16);
  sscanf(inp, "%x", &grp);
  if (!grp) {
    printf("Going back..\n");
    return;
  }
  printf("Adding user to group 0x%x (%d)\n", grp, grp);
  printf("Error messages if the user was already member of the group are harmless\n\n");
  add_user_to_grp(rid, grp);
  printf("\nFinished adding user to group\n\n");
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<interactive_addusrgrp>:
  endbr64
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  lea    D25(%rip),%rdi
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r12
  call   <puts@plt>
  xor    %edi,%edi
  call   <list_groups@plt>
  lea    D72(%rip),%rdi
  call   <puts@plt>
  mov    $0x10,%edx
  mov    %r12,%rsi
  lea    D7(%rip),%rdi
  call   <fmyinput@plt>
  lea    D45(%rip),%rsi
  lea    0xc(%rsp),%rdx
  mov    %r12,%rdi
  call   <sscanf@plt>
  mov    0xc(%rsp),%esi
  test   %esi,%esi
  je     L22
  mov    %esi,%edx
  lea    D75(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D1(%rip),%rdi
  call   <puts@plt>
  mov    0xc(%rsp),%esi
  mov    %ebp,%edi
  call   <add_user_to_grp@plt>
  lea    D27(%rip),%rdi
  call   <puts@plt>
L25:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L13
  add    $0x38,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L22:
  lea    D73(%rip),%rdi
  call   <puts@plt>
  jmp    L25
L13:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D25
type_guessed: string
name: parse_data
arguments: tag: D72
type_guessed: string
name: parse_data
arguments: tag: D7
type_guessed: string
name: parse_data
arguments: tag: D45
type_guessed: string
name: parse_data
arguments: tag: D75
type_guessed: string
name: parse_data
arguments: tag: D1
type_guessed: string
name: parse_data
arguments: tag: D27
type_guessed: string
name: parse_data
arguments: tag: D73
type_guessed: string

tool: D25: 
 == ADD USER TO A GROUP

tool: D72: 
Please enter group number (for example 220), or 0 to go back

tool: D7: Group number? : 

tool: D45: %x

tool: D75: Adding user to group 0x%x (%d)


tool: D1: Error messages if the user was already member of the group are harmless


tool: D27: 
Finished adding user to group


tool: D73: Going back..

assistant: ```c
void interactive_addusrgrp(int rid) {
  char inp[20];
  int grp, l;
  printf("\n == ADD USER TO A GROUP\n");
  list_groups(0);
  printf("\nPlease enter group number (for example 220), or 0 to go back\n");
  l = fmyinput("Group number? : ", inp, 16);
  sscanf(inp, "%x", &grp);
  if (!grp) {
    printf("Going back..\n");
    return;
  }
  printf("Adding user to group 0x%x (%d)\n", grp, grp);
  printf("Error messages if the user was already member of the group are harmless\n\n");
  add_user_to_grp(rid, grp);
  printf("\nFinished adding user to group\n\n");
}
```
user: Translate the below assembly code into C programming language:

```asm
<interactive_addusrgrp>:
  endbr64
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  lea    D28(%rip),%rdi
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r12
  call   <puts@plt>
  xor    %edi,%edi
  call   <list_groups@plt>
  lea    D16(%rip),%rdi
  call   <puts@plt>
  mov    $0x10,%edx
  mov    %r12,%rsi
  lea    D58(%rip),%rdi
  call   <fmyinput@plt>
  lea    D44(%rip),%rsi
  lea    0xc(%rsp),%rdx
  mov    %r12,%rdi
  call   <sscanf@plt>
  mov    0xc(%rsp),%esi
  test   %esi,%esi
  je     L8
  mov    %esi,%edx
  lea    D33(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D56(%rip),%rdi
  call   <puts@plt>
  mov    0xc(%rsp),%esi
  mov    %ebp,%edi
  call   <add_user_to_grp@plt>
  lea    D67(%rip),%rdi
  call   <puts@plt>
L0:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L25
  add    $0x38,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L8:
  lea    D19(%rip),%rdi
  call   <puts@plt>
  jmp    L0
L25:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D28
type_guessed: string
name: extract_symbolic_data
arguments: label: D16
type_guessed: string
name: extract_symbolic_data
arguments: label: D58
type_guessed: string
name: extract_symbolic_data
arguments: label: D44
type_guessed: string
name: extract_symbolic_data
arguments: label: D33
type_guessed: string
name: extract_symbolic_data
arguments: label: D56
type_guessed: string
name: extract_symbolic_data
arguments: label: D67
type_guessed: string
name: extract_symbolic_data
arguments: label: D19
type_guessed: string

tool: D28: 
 == ADD USER TO A GROUP

tool: D16: 
Please enter group number (for example 220), or 0 to go back

tool: D58: Group number? : 

tool: D44: %x

tool: D33: Adding user to group 0x%x (%d)


tool: D56: Error messages if the user was already member of the group are harmless


tool: D67: 
Finished adding user to group


tool: D19: Going back..

assistant: ```c
void interactive_addusrgrp(int rid) {
  char inp[20];
  int grp, l;
  printf("\n == ADD USER TO A GROUP\n");
  list_groups(0);
  printf("\nPlease enter group number (for example 220), or 0 to go back\n");
  l = fmyinput("Group number? : ", inp, 16);
  sscanf(inp, "%x", &grp);
  if (!grp) {
    printf("Going back..\n");
    return;
  }
  printf("Adding user to group 0x%x (%d)\n", grp, grp);
  printf("Error messages if the user was already member of the group are harmless\n\n");
  add_user_to_grp(rid, grp);
  printf("\nFinished adding user to group\n\n");
}
```
user: Translate the below assembly code into C programming language:

```asm
<timespec_sub>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    -0x8(%rbp),%rax
  mov    0x8(%rax),%rdx
  mov    -0x10(%rbp),%rax
  mov    0x8(%rax),%rax
  sub    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,0x8(%rax)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  sub    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jns    L1
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  lea    0x3b9aca00(%rax),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    0x8(%rax),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,0x8(%rax)
L1:
  nop
  pop    %rbp
  ret
```

assistant: ```c
void timespec_sub(const struct timespec *a, const struct timespec *b, struct timespec *res) {
  res->tv_sec = a->tv_sec - b->tv_sec;
  res->tv_nsec = a->tv_nsec - b->tv_nsec;
  if (res->tv_nsec < 0) {
    res->tv_nsec += 1000000000;
    --res->tv_sec;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<timespec_sub>:
  endbr64
  mov    0x8(%rdi),%rcx
  sub    0x8(%rsi),%rcx
  mov    %rcx,0x8(%rdx)
  mov    (%rdi),%rax
  sub    (%rsi),%rax
  js     L9
  mov    %rax,(%rdx)
  ret
L9:
  add    $0x3b9aca00,%rax
  mov    %rax,(%rdx)
  sub    $0x1,%rcx
  mov    %rcx,0x8(%rdx)
  ret
```

assistant: ```c
void timespec_sub(const struct timespec *a, const struct timespec *b, struct timespec *res) {
  res->tv_sec = a->tv_sec - b->tv_sec;
  res->tv_nsec = a->tv_nsec - b->tv_nsec;
  if (res->tv_nsec < 0) {
    res->tv_nsec += 1000000000;
    --res->tv_sec;
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<timespec_sub>:
  endbr64
  mov    0x8(%rdi),%rcx
  sub    0x8(%rsi),%rcx
  mov    %rcx,0x8(%rdx)
  mov    (%rdi),%rax
  sub    (%rsi),%rax
  js     L2
  mov    %rax,(%rdx)
  ret
  nopl   0x0(%rax)
L2:
  add    $0x3b9aca00,%rax
  sub    $0x1,%rcx
  mov    %rax,(%rdx)
  mov    %rcx,0x8(%rdx)
  ret
```

assistant: ```c
void timespec_sub(const struct timespec *a, const struct timespec *b, struct timespec *res) {
  res->tv_sec = a->tv_sec - b->tv_sec;
  res->tv_nsec = a->tv_nsec - b->tv_nsec;
  if (res->tv_nsec < 0) {
    res->tv_nsec += 1000000000;
    --res->tv_sec;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<timespec_sub>:
  endbr64
  mov    0x8(%rdi),%rcx
  sub    0x8(%rsi),%rcx
  mov    %rcx,0x8(%rdx)
  mov    (%rdi),%rax
  sub    (%rsi),%rax
  js     L9
  mov    %rax,(%rdx)
  ret
  nopl   0x0(%rax)
L9:
  add    $0x3b9aca00,%rax
  sub    $0x1,%rcx
  mov    %rax,(%rdx)
  mov    %rcx,0x8(%rdx)
  ret
```

assistant: ```c
void timespec_sub(const struct timespec *a, const struct timespec *b, struct timespec *res) {
  res->tv_sec = a->tv_sec - b->tv_sec;
  res->tv_nsec = a->tv_nsec - b->tv_nsec;
  if (res->tv_nsec < 0) {
    res->tv_nsec += 1000000000;
    --res->tv_sec;
  }
}
```