user: Demonstrate the C code that generates the assembly output below:

```asm
<smellslike_httprequest>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %esi,%ebp
  test   %esi,%esi
  je     L280
  mov    %rdi,%r12
  mov    $0x0,%ebx
L263:
  movzbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L209
  add    $0x1,%ebx
  add    $0x1,%r12
  cmp    %ebx,%ebp
  jne    L263
  mov    %ebp,%ebx
L125:
  cmp    $0xa,%ebx
  ja     L77
  cmp    %ebx,%ebp
  jbe    L42
  mov    %ebx,%r12d
  add    %r13,%r12
L128:
  movzbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L238
  add    $0x1,%ebx
  add    $0x1,%r12
  cmp    %ebx,%ebp
  jne    L128
L280:
  mov    $0x0,%eax
  test   %ebp,%ebp
  je     L242
  mov    %ebp,%eax
  cmpb   $0xa,0x0(%r13,%rax,1)
  je     L188
  mov    $0x0,%eax
  jmp    L242
L209:
  cmp    %ebx,%ebp
  jbe    L117
  mov    %ebx,%r12d
  add    %r13,%r12
L253:
  movzbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L125
  add    $0x1,%ebx
  add    $0x1,%r12
  cmp    %ebx,%ebp
  jne    L253
L180:
  mov    $0x0,%eax
  cmp    $0xa,%ebp
  jbe    L280
L242:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L238:
  cmp    %ebx,%ebp
  jbe    L307
  mov    %ebx,%eax
  add    %r13,%rax
L190:
  cmpb   $0xa,(%rax)
  je     L235
  add    $0x1,%ebx
  add    $0x1,%rax
  cmp    %ebx,%ebp
  jne    L190
  jmp    L280
L307:
  mov    %ebx,%ebp
  jmp    L280
L188:
  mov    %ebp,%ebx
  jmp    L136
L30:
  lea    -0x2(%rbx),%edx
  jmp    L196
L140:
  mov    $0x1,%eax
  jmp    L242
L77:
  mov    $0x0,%eax
  jmp    L242
L235:
  mov    $0x0,%eax
  test   %ebx,%ebx
  je     L242
L136:
  mov    $0x0,%eax
  mov    %ebx,%edx
  sub    $0x1,%edx
  je     L242
  mov    %edx,%eax
  cmpb   $0xd,0x0(%r13,%rax,1)
  je     L30
L196:
  mov    $0x0,%eax
  cmp    $0xa,%edx
  jbe    L242
  lea    -0x7(%rdx),%ebx
  add    %r13,%rbx
  mov    $0x8,%edx
  lea    D5(%rip),%rsi
  mov    %rbx,%rdi
  call   <memicmp@plt>
  test   %rax,%rax
  je     L140
  mov    $0x8,%edx
  lea    D8(%rip),%rsi
  mov    %rbx,%rdi
  call   <memicmp@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  je     L242
  mov    $0x8,%edx
  lea    D26(%rip),%rsi
  mov    %rbx,%rdi
  call   <memicmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  jmp    L242
L42:
  mov    %ebx,%ebp
  jmp    L280
L117:
  mov    %ebx,%ebp
  jmp    L180
```

tool_calls: name: unpack_data
arguments: data_label: D5
data_type: string
name: unpack_data
arguments: data_label: D8
data_type: string
name: unpack_data
arguments: data_label: D26
data_type: string

tool: D5: HTTP/1.0

tool: D8: HTTP/1.1

tool: D26: HTTP/0.9

assistant: ```c
int smellslike_httprequest(const unsigned char *data, unsigned length) {
  unsigned i;
  unsigned method;
  unsigned url;
  for (i = 0; i < length && isspace(data[i]); i++)
    ;
  method = i;
  while (i < length && !isspace(data[i]))
    i++;
  if (i > 10)
    return 0;
  while (i < length && isspace(data[i]))
    i++;
  url = i;
  while (i < length && data[i] != '\n')
    i++;
  if (i > 0 && data[i] == '\n') {
    i--;
    if (i > 0 && data[i] == '\r')
      i--;
    if (i > 10 && memicmp(&data[i - 7], "HTTP/1.0", 8) == 0)
      return 1;
    if (i > 10 && memicmp(&data[i - 7], "HTTP/1.1", 8) == 0)
      return 1;
    if (i > 10 && memicmp(&data[i - 7], "HTTP/0.9", 8) == 0)
      return 1;
  }
  return 0;
}
```