user: 请从给定的汇编指令推导出C源代码：

```asm
<_error_hint>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D63(%rip),%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x28(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <uname@plt>
  test   %rax,%rax
  jne    L105
  mov    -0x20(%rbp),%rax
  mov    $0x4,%edx
  lea    D29(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  je     L183
L105:
  mov    -0x18(%rbp),%rax
  jmp    L125
L74:
  movsbl -0x29(%rbp),%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L131
  movzbl -0x29(%rbp),%edx
  jmp    L14
L131:
  mov    $0x0,%edx
L14:
  mov    -0x28(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    %ecx,-0x28(%rbp)
  cltq
  mov    %dl,-0xc(%rbp,%rax,1)
L183:
  cmpl   $0x2,-0x28(%rbp)
  jg     L80
  mov    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%eax
  cltq
  add    $0x4,%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %al,-0x29(%rbp)
  cmpb   $0x0,-0x29(%rbp)
  jne    L74
L80:
  lea    -0xc(%rbp),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %eax,-0x24(%rbp)
  mov    -0x40(%rbp),%rax
  mov    $0x3,%edx
  lea    D57(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L192
  cmpq   $0x100,-0x48(%rbp)
  je     L192
  cmpq   $0x200,-0x48(%rbp)
  je     L192
  lea    D44(%rip),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L143
L192:
  mov    -0x40(%rbp),%rax
  mov    $0x3,%edx
  lea    D57(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L143
  cmpl   $0x17,-0x24(%rbp)
  jg     L143
  lea    D51(%rip),%rax
  mov    %rax,-0x18(%rbp)
L143:
  mov    -0x40(%rbp),%rax
  mov    $0x3,%edx
  lea    D48(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L84
  cmpq   $0x100,-0x48(%rbp)
  je     L84
  cmpq   $0x200,-0x48(%rbp)
  je     L84
  lea    D47(%rip),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L25
L84:
  mov    -0x40(%rbp),%rax
  mov    $0x3,%edx
  lea    D48(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L25
  cmpl   $0x13,-0x24(%rbp)
  jg     L25
  lea    D21(%rip),%rax
  mov    %rax,-0x18(%rbp)
L25:
  mov    -0x18(%rbp),%rax
L125:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L196
  call   <__stack_chk_fail@plt>
L196:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D63
data_type: string
name: retrieve_data
arguments: label: D29
data_type: string
name: retrieve_data
arguments: label: D57
data_type: string
name: retrieve_data
arguments: label: D44
data_type: string
name: retrieve_data
arguments: label: D51
data_type: string
name: retrieve_data
arguments: label: D48
data_type: string
name: retrieve_data
arguments: label: D47
data_type: string
name: retrieve_data
arguments: label: D21
data_type: string

tool: 

tool: D29: 2.6.

tool: D57: xts

tool: D44: Key size in XTS mode must be 256 or 512 bits.


tool: D51: Block mode XTS is available since kernel 2.6.24.


tool: D48: lrw

tool: D47: Key size in LRW mode must be 256 or 512 bits.


tool: D21: Block mode LRW is available since kernel 2.6.20.


assistant: ```c
char *_error_hint(char *cipherName, char *cipherMode, size_t keyLength) {
  char *hint = "";
  char c, tmp[4] = {0};
  struct utsname uts;
  int i = 0, kernel_minor;
  if (uname(&uts) || strncmp(uts.release, "2.6.", 4))
    return hint;
  while (i < 3 && (c = uts.release[i + 4]))
    tmp[i++] = isdigit(c) ? c : '\0';
  kernel_minor = atoi(tmp);
  if (!strncmp(cipherMode, "xts", 3) && (keyLength != 256 && keyLength != 512))
    hint = ("Key size in XTS mode must be 256 or 512 bits.\n");
  else if (!strncmp(cipherMode, "xts", 3) && kernel_minor < 24)
    hint = ("Block mode XTS is available since kernel 2.6.24.\n");
  if (!strncmp(cipherMode, "lrw", 3) && (keyLength != 256 && keyLength != 512))
    hint = ("Key size in LRW mode must be 256 or 512 bits.\n");
  else if (!strncmp(cipherMode, "lrw", 3) && kernel_minor < 20)
    hint = ("Block mode LRW is available since kernel 2.6.20.\n");
  return hint;
}
```