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

```asm
<smellslike_httprequest>:
  endbr64
  test   %esi,%esi
  je     L6
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  jmp    L104
  nopw   0x0(%rax,%rax,1)
L127:
  add    $0x1,%ebx
  add    $0x1,%r12
  cmp    %ebx,%ebp
  je     L100
L104:
  movzbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L127
  cmp    %ebx,%ebp
  jbe    L263
  mov    %ebx,%r12d
  add    %r13,%r12
  jmp    L137
  cs nopw 0x0(%rax,%rax,1)
L129:
  add    $0x1,%ebx
  add    $0x1,%r12
  cmp    %ebx,%ebp
  je     L100
L137:
  movzbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L129
  cmp    $0xa,%ebx
  ja     L65
  cmp    %ebx,%ebp
  jbe    L154
  mov    %ebx,%r12d
  add    %r13,%r12
  jmp    L157
  nop
L283:
  add    $0x1,%ebx
  add    $0x1,%r12
  cmp    %ebx,%ebp
  je     L37
L157:
  movzbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L283
  cmp    %ebx,%ebp
  jbe    L154
  mov    %ebx,%eax
  add    %r13,%rax
  jmp    L181
  nopl   0x0(%rax)
L158:
  add    $0x1,%ebx
  add    $0x1,%rax
  cmp    %ebx,%ebp
  je     L37
L181:
  cmpb   $0xa,(%rax)
  jne    L158
  test   %ebx,%ebx
  jne    L92
L65:
  xor    %eax,%eax
L289:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L263:
  mov    %ebx,%ebp
  nopl   0x0(%rax,%rax,1)
L100:
  cmp    $0xa,%ebp
  ja     L65
L223:
  test   %ebp,%ebp
  je     L65
  nopl   0x0(%rax)
L37:
  mov    %ebp,%eax
  cmpb   $0xa,0x0(%r13,%rax,1)
  jne    L65
  mov    %ebp,%ebx
  nopl   0x0(%rax)
L92:
  mov    %ebx,%eax
  sub    $0x1,%eax
  je     L65
  mov    %eax,%edx
  cmpb   $0xd,0x0(%r13,%rdx,1)
  je     L33
L97:
  cmp    $0xa,%eax
  jbe    L65
  lea    -0x7(%rax),%ebp
  mov    $0x8,%edx
  lea    D16(%rip),%rsi
  add    %r13,%rbp
  mov    %rbp,%rdi
  call   <memicmp@plt>
  test   %rax,%rax
  je     L221
  mov    $0x8,%edx
  lea    D9(%rip),%rsi
  mov    %rbp,%rdi
  call   <memicmp@plt>
  test   %rax,%rax
  je     L221
  mov    $0x8,%edx
  lea    D25(%rip),%rsi
  mov    %rbp,%rdi
  call   <memicmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  jmp    L289
L6:
  xor    %eax,%eax
  ret
L33:
  lea    -0x2(%rbx),%eax
  jmp    L97
L221:
  mov    $0x1,%eax
  jmp    L289
L154:
  mov    %ebx,%ebp
  jmp    L223
```

tool_calls: name: retrieve_data
arguments: tag: D16
datatype: string
name: retrieve_data
arguments: tag: D9
datatype: string
name: retrieve_data
arguments: tag: D25
datatype: string

tool: D16: HTTP/1.0

tool: D9: HTTP/1.1

tool: D25: 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;
}
```