user: Translate the below assembly code into C programming language:

```asm
<_error_hint>:
  endbr64
  push   %r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdi
  movl   $0x0,0x14(%rsp)
  call   <uname@plt>
  test   %rax,%rax
  je     L72
L84:
  lea    D38(%rip),%r14
L137:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x20,%rsp
  mov    %r14,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L72:
  mov    0x8(%rsp),%rdi
  mov    $0x4,%edx
  lea    D56(%rip),%rsi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L84
  mov    $0x4,%ebp
  xor    %r14d,%r14d
L82:
  mov    0x8(%rsp),%rax
  movzbl (%rax,%rbp,1),%ebx
  test   %bl,%bl
  je     L101
  movsbl %bl,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  cmove  %r14d,%ebx
  mov    %bl,0x10(%rsp,%rbp,1)
  add    $0x1,%rbp
  cmp    $0x7,%rbp
  jne    L82
L101:
  lea    0x14(%rsp),%rdi
  lea    D50(%rip),%rbp
  call   <atoi@plt>
  mov    $0x3,%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    %eax,%ebx
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L78
  lea    -0x100(%r13),%rax
  test   $0xfffffffffffffeff,%rax
  je     L78
  lea    D48(%rip),%rbp
  mov    $0x3,%edx
  mov    %r12,%rdi
  mov    %rbp,%rsi
  lea    D3(%rip),%r14
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L67
L157:
  lea    D0(%rip),%r14
  jmp    L137
  nopl   0x0(%rax,%rax,1)
L78:
  mov    $0x3,%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  cmp    $0x17,%ebx
  jg     L99
  lea    D43(%rip),%r14
  test   %rax,%rax
  jne    L99
L98:
  lea    D48(%rip),%rbp
  mov    $0x3,%edx
  mov    %r12,%rdi
  mov    %rbp,%rsi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L67
  sub    $0x100,%r13
  test   $0xfffffffffffffeff,%r13
  jne    L157
L67:
  mov    $0x3,%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L137
  cmp    $0x13,%ebx
  lea    D93(%rip),%rax
  cmovle %rax,%r14
  jmp    L137
  nopl   0x0(%rax)
L99:
  lea    D38(%rip),%r14
  jmp    L98
L7:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D38
data_type: string
name: read_data
arguments: data_tag: D56
data_type: string
name: read_data
arguments: data_tag: D50
data_type: string
name: read_data
arguments: data_tag: D48
data_type: string
name: read_data
arguments: data_tag: D3
data_type: string
name: read_data
arguments: data_tag: D0
data_type: string
name: read_data
arguments: data_tag: D43
data_type: string
name: read_data
arguments: data_tag: D93
data_type: string

tool: 

tool: D56: 2.6.

tool: D50: xts

tool: D48: lrw

tool: D3: Key size in XTS mode must be 256 or 512 bits.


tool: D0: Key size in LRW mode must be 256 or 512 bits.


tool: D43: Block mode XTS is available since kernel 2.6.24.


tool: D93: 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;
}
```