user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<_fi_preparse_host>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  movq   $0x0,-0x20(%rbp)
  movq   $0x0,-0x18(%rbp)
  mov    -0x38(%rbp),%rax
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <host_is_ipv6_with_port@plt>
  test   %rax,%rax
  je     L28
  movl   $0x0,-0x24(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x5,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  je     L62
  mov    -0x38(%rbp),%rax
  mov    $0x5b,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  sub    -0x38(%rbp),%rax
  mov    %eax,%edx
  mov    -0x38(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x10(%rbp),%rax
  sub    -0x38(%rbp),%rax
  add    %eax,-0x24(%rbp)
  lea    D31(%rip),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  lea    D31(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  lea    D31(%rip),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %eax,-0x24(%rbp)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    $0x5d,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  sub    -0x10(%rbp),%rax
  mov    %eax,%edx
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  add    %rax,%rcx
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
  mov    -0x8(%rbp),%rax
  sub    -0x10(%rbp),%rax
  add    %eax,-0x24(%rbp)
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  lea    D0(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %eax,-0x24(%rbp)
  addq   $0x1,-0x8(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  sub    -0x8(%rbp),%rax
  mov    %eax,%edx
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  add    %rax,%rcx
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  sub    -0x8(%rbp),%rax
  add    %eax,-0x24(%rbp)
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  jmp    L30
L28:
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  je     L24
L30:
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L6
L62:
  nop
  jmp    L6
L24:
  nop
L6:
  cmpq   $0x0,-0x18(%rbp)
  jne    L20
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L20:
  mov    -0x18(%rbp),%rax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D31
type_infered: string
name: retrieve_data
arguments: data_tag: D0
type_infered: string

tool: D31: @l@

tool: D0: @r@

assistant: ```c
char *_fi_preparse_host(const char *host) {
  char *new = NULL;
  char *rv = NULL;
  if (host_is_ipv6_with_port(host, NULL, NULL)) {
    unsigned int len = 0;
    char *pl;
    char *pr;
    if (!(new = (char *)malloc(strlen(host) + 5)))
      goto cleanup;
    pl = strchr(host, '[');
    memcpy(new, host, pl - host);
    len += (pl - host);
    memcpy(new + len, "@l@", strlen("@l@"));
    len += strlen("@l@");
    pl++;
    pr = strchr(pl, ']');
    memcpy(new + len, pl, pr - pl);
    len += (pr - pl);
    memcpy(new + len, "@r@", strlen("@r@"));
    len += strlen("@r@");
    pr++;
    memcpy(new + len, pr, host + strlen(host) - pr);
    len += (host + strlen(host) - pr);
    new[len] = '\0';
  } else {
    if (!(new = strdup(host)))
      goto cleanup;
  }
  rv = new;
cleanup:
  if (!rv)
    free(new);
  return (rv);
}
```