user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<parse_lwm2m_exe_arg_parse_single_argument>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8,-0x48(%rbp)
  mov    %r9,-0x50(%rbp)
  movq   $0x0,-0x8(%rbp)
  movq   $0x0,-0x18(%rbp)
  movq   $0x0,-0x10(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L139
  mov    $0x0,%eax
  jmp    L111
L139:
  cmpq   $0x0,-0x30(%rbp)
  jne    L170
  mov    $0x0,%eax
  jmp    L111
L170:
  mov    -0x28(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jb     L93
  mov    $0x0,%eax
  jmp    L111
L93:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L94
  mov    $0x0,%eax
  jmp    L111
L94:
  mov    -0x40(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x48(%rbp),%rax
  lea    D4(%rip),%rdx
  mov    %rdx,(%rax)
  mov    -0x50(%rbp),%rax
  movq   $0x0,(%rax)
  cmpl   $0x0,-0x34(%rbp)
  jne    L195
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2c,%al
  je     L85
  mov    $0x0,%eax
  jmp    L111
L85:
  addq   $0x1,-0x28(%rbp)
L195:
  mov    -0x28(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jbe    L13
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %eax,%eax
  jne    L13
  mov    $0x0,%eax
  jmp    L111
L13:
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  addq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jae    L32
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2c,%al
  je     L32
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L32
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x3d,%al
  je     L146
  mov    $0x0,%eax
  jmp    L111
L146:
  addq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  ja     L259
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x27,%al
  je     L227
L259:
  mov    $0x0,%eax
  jmp    L111
L227:
  addq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L128
L114:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isgraph@plt>
  test   %rax,%rax
  je     L194
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x22,%al
  je     L194
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L236
L194:
  mov    $0x0,%eax
  jmp    L111
L236:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x27,%al
  je     L310
  addq   $0x1,-0x28(%rbp)
L128:
  mov    -0x28(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jbe    L114
  jmp    L254
L310:
  nop
L254:
  mov    -0x28(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  ja     L312
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x27,%al
  je     L102
L312:
  mov    $0x0,%eax
  jmp    L111
L102:
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  addq   $0x1,-0x28(%rbp)
L32:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  sub    $0x30,%eax
  mov    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x48(%rbp),%rax
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x10(%rbp),%rax
  sub    -0x18(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x50(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x28(%rbp),%rax
L111:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D4
type_infered: string

tool: 

assistant: ```c
const uint8_t *parse_lwm2m_exe_arg_parse_single_argument(const uint8_t *p, const uint8_t *pe, const bool first_arg, uint32_t *key, const uint8_t **value, size_t *valuelen) {
  const uint8_t *k = 0;
  const uint8_t *v = 0;
  const uint8_t *ve = 0;
  if (!p)
    return (NULL);
  if (!pe)
    return (NULL);
  if (p >= pe)
    return (NULL);
  if (*p == '\0')
    return (NULL);
  *key = 0;
  *value = (uint8_t *)"";
  *valuelen = 0;
  if (!first_arg) {
    if (*p != ',')
      return (NULL);
    p++;
  }
  if ((p > pe) && !isdigit(*k))
    return (NULL);
  k = p;
  p++;
  if ((p < pe) && (*p != ',') && (*p != '\0')) {
    if (*p != '=')
      return (NULL);
    p++;
    if ((p > pe) || (*p != '\''))
      return (NULL);
    p++;
    v = p;
    for (; p <= pe; p++) {
      if (!(isgraph(*p) && *p != '"' && *p != '\\')) {
        return (NULL);
      } else if (*p == '\'') {
        break;
      }
    }
    if ((p > pe) || *p != '\'')
      return (NULL);
    ve = p;
    p++;
  }
  *key = *k - '0';
  *value = v;
  *valuelen = (ve - v);
  return p;
}
```